preliminery ehs for caustic soda plant

7/26/2019 Preliminery Ehs for Caustic Soda Plant

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REPORT

Preliminary Environmental, Health, and SafetyReview (PEHSR)

Caustic Soda Plant ICAD 1

Prepared for:

Al Ghaith Industries


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441!!"#

Au$ust %!11

Prepared by:

&RS 'ororation A*u +ha*i


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Project Title: 'austi Soda Plant I'A+ 1

Report Title: Preliminary Environmental, Health, and Safety Review (PEHSR)

Project No: 441!!"#Report Ref: 441!!"#-REP-!!1

Status: Initial Issue

Client Contact Name: Almamoon Al-.aadani

Client Company Name: Al Ghaith Industries

Issued By: &RS 'ororation A*u +ha*i

Document Production / Approval Record

Issue No: Name Sinature Date Position

Preared*y

+avid /ona$han Air 0uality Sientist

'heedandaroved*y

Andrew 2 3ilson Prinial 'onsultant

Document Revision Record

Issue No Date Details of Revisions

1 Au$ust %!11 +raft PEHSR Issued

PEHSR Chlor-Alkali Plant


Project Number 441!!"#

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!I"ITATI#N

&RS has reared this Reort for the sole use of in aordane with the A$reement under whih our

servies were erformed5 6o other warranty, e7ressed or imlied, is made as to the rofessional

advie inluded in this Reort or any other servies rovided *y us5 8his Reort may not *e relied

uon *y any other arty without the rior and e7ress written a$reement of &RS5 &nless otherwise

stated in this Reort, the assessments made assume that the sites and failities will ontinue to *e

used for their urrent urose without si$nifiant han$e5 8he onlusions and reommendations

ontained in this Reort are *ased uon information rovided *y others and uon the assumtion that

all relevant information has *een rovided *y those arties from whom it has *een re9uested5

Information o*tained from third arties has not *een indeendently verified *y &RS, unless otherwise

stated in the Reort5

C#P$RI%&T

: 8his Reort is the oyri$ht of &RS 'ororation ;imited5 Any unauthorised rerodution or usa$e

*y any erson other than the addressee is stritly rohi*ited5




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C#NT'NTS

Section Pae No

() INTR#D*CTI#N (+

1515 Summary 'rror, Boo-mar- not defined)15%5 6eed for Proverview %?%51515 &nloadin$ and Stora$e of Salt @

%515%5

.rine Purifiation Proess 4!%5155

Eletrolysis Proess 44%51545 .rine +ehlorination 4"%515#5 Hydro$en Gas Proessin$ 4?%515"5 'hlorine Gas 'oolin$ 4?%515?5 'austi 'onentration Blain$ Plant 4?%515=5 Sodium Hyohlorite Plant 4@%515@5 Hydrohlori Aid Plant #1%5151!5 +emineraliCed water system #%%515115 'oolin$ water unit #%%5151%5 'hilled water system #%51515 'omressed air system #%515145 Steam suly system #

%5151#5

'ontrol and instrumentation system #%5151"5

.a$$in$ &nit #4%5151?5 8ransortation System #4%5151=5 Baility 'onstrution #4%5151@5Air Emissions 'ontrol ##%515%!5 3astewater 8reatment and /ana$ement #=%515%15 Solid 3aste 8reatment and /ana$ement #@%515%%5 Bire and 8o7i Gas Release Prevention and 'ontrol "!

1) 'N2IR#N"'NTA! BAS'!IN' C#NDITI#NS 3.

51515 General Environmental Settin$ "%515%5 Seismiity "%

5155

Re$ional /eteorolo$y "51545

Air 0uality "515#5 8errestrial Eolo$y "=515"5 /arine Eolo$y"=515?5 Soil and Groundwater .aseline Assessments "=515=5 Soio-eonomi Environment "@515@5 6oise 0uality ?5151!5Arhaeolo$ial, Paleontolo$ial and 'ultural Herita$e .aseline 'onditions

?

4) ID'NTI5ICATI#N #5 P#T'NTIA! 'N2IR#N"'NT6 &'A!T&6 AND SA5'T$&A7ARDS AND I"PACTS 04

4515

Air Emissions ?4




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C#NT'NTS

Section Pae No

Aendi7 A -

Bi$ures

Photo$rahs




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() '8'C*TI2' S*""AR$

8.'




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.) INTR#D*CTI#N

.)() Project Title and Project Proponent

8he title of the roosed Pro .o7 4=##, A*u +ha*i,

&nited Ara* Emirates

8el @?1 % "4 "#

Ba7 @?1 % "4 ?4

Email eterKmuellerursor5om

===)urscorp)eu




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mailto:[email protected]_mailto:[email protected]_


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8his PEHSR was reared *y /r5 +avid /ona$han (Air 0uality Sientist) and reviewed

*y /r5 Andrew 2 3ilson (Prinial 'onsultant)5 In addition to the a*ove-mentioned ro


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disersion modellin$ aa$es (suh as AER/>+O A+/S) in suort of EIAOHSEIA wor

in the oil and $as, land develoment and heavy industry setors5 He is an e7eriened

ro


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inludin$ eolo$ial surveyor, tehnial advisor, lead author, and roH), 'austi Blaes, Hydrohlori

aid and Sodium Hyohlorite5 'hlorine $as shall *e roessed throu$h oolin$5 Sodium

Hyohlorite shall *e rodued as a *y rodut under 3aste Air +ehlorination

(environmental ontrol measures)5

8he main roduts and the lanned rodution aaity of the roosed lant are as

follows

Produt'aaity er

day'aaity er year

H'l - %Q wOw solution 1?@ /8 O +ay #@,!!! /8Oear

'austi Soda -1!!Q ?! /8O +ay %,1!! /8Oear

Sodium Hyohlorite -

1%Q?! /8O +at %,1!! /8Oear

8his PEHSR study will fous on onstrution, ommissionin$ and oeration of the

Pro


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.)4) ustification and C9ronoloy for t9e Development of a P'R

.y omletin$ this PEHSR &RS and Al Ghaith have *een a*le to effetively assess the

assoiated riss and rovide a definite solution to all environmental, health and safetyriss that are resent in onstrutin$ and oeratin$ the 'hlor-Alali Plant5 As suh, a

more detailed ostly EIA is not neessary5

8he o*


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In order to omlete this PEHSR the followin$ shedule has *een followed5 A ro


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Ta;le .(( Project Sc9edule

8he followin$ rovides a roosed roee-

1 % 4 # " ? = @ 1! 11 1% 1 14 1# 1" 1? 1= 1@ %! %1 %%

Ni >ff /eetin$ (1 day)

HAJI+OE6FI+ 3orsho (%

days)

HAJI+O E6FI+ Re$ister

+raft Sreadsheet to Al Ghaith

Al Ghaith Review and 'omment

PEHSR Study Reort

+raft Reort

Al Ghaith Review and 'omment

Binal +raft Reort

Jones'or Review and 'omment

Binal Reort

EA+ Review and 'omment

Binal Reort (Issue % ifneessary)

EA+ Aroval




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1) !'%A! 5RA"'>#R? AND STANDARDS

8his setion outlines the ey environmental re$ulations in the &AE that will *e onsidered*oth in terms of the soe and nature of the PEHSR, and in the overall onstrution and

oeration of the roosed ProE3, formally the Bederal Environmental

A$eny (BEA) esta*lished in 1@@, is the rinial environmental institution in the &AE5

8he />E3 develos environmental oliies that are imlemented and enfored as a

minimum level of environmental due dili$ene *y the various mem*er Emirates within




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their area of


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+eveloment of natural resoures and onservation of *iolo$ial diversity in the

re$ion and the e7loitation of suh resoures with onsideration of resent and

future $enerations (i5e5 the rinile of Inter-$enerational E9uity)5

Protetion of soiety, human health and the health of other livin$ reatures from

ativities and ats that are environmentally harmful or imede authoriCed use of

the environmental settin$5

Protetion of the &AE environment from the harmful effets of ativities undertaen

outside the re$ion of the &AE5

'omliane with international and re$ional onventions ratified or aroved *y the

&AE re$ardin$ environmental rotetion, ontrol of ollution and onservation of

natural resoures5

In addition to the re9uirements of Bederal ;aw %4, a num*er of E7eutive Re$ulationsdeal with seifi environmental areas, inludin$

Re$ulation for the Environmental Effets of Installations5 8his re$ulation re9uires an

EIA to *e arried out for ertain ro


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E7eutive 'ounil +eision 6o5 (?)

As suh, EA+ is the nominated authority for imlementin$ laws inludin$ Bederal ;aw 6o5

(%4) for 1@@@ and +eision 6o5 4% of %!!@ 'onernin$ the Environment, Health and

Safety /ana$ement System in A*u +ha*i Emirate (DEHS/S ;aw)

8he 'ometent Authority for this ro


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&nited 6ation Bramewor 'onvention on 'limate 'han$e for the year 1@@%M

Nyoto Protool, 1@@?M

Fienna 'onvention for the Protetion of the >Cone ;ayer of 1@=#M

/ontreal Protool on >Cone +eletin$ Su*stanes of 1@=? and /ontreal

Amendments (;ondon 1@@!, 'oenha$en 1@=%, /ontreal 1@=?, .eir$ani Pollutants (P>Ps) %!!1M

International onvention on 'ivil ;ia*ility for >il Pollution +ama$e (';') 1@"@M

International onvention on the Esta*lishment of an International Bund for

'omensation for >il Pollution +ama$e 1@?1M and

Prior Informed 'onsent Proedure for 'ertain HaCardous 'hemials and Pestiides

in International 8rade (PI' 'onvention) 1@@=5




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4) PR#'CT D'SCRIPTI#N

4)() Statement of Need

'hlorine is essential to hemial industryM more than =#Q of all harmaeutials and

more than half the roduts mareted *y the hemial industries are derivatives of

'hlorine hemistry5 Almost 1,#!! of these roduts are used in different industrial and

eonomi setors suh as health, a$ro-food, *uildin$, te7tiles, transort, leisure ativities,

osmetis et5

3ith every tonne of 'hlorine that is rodued 151 tonnes of 'austi Soda are also made5

/ore than half of the 'austi Soda manufatured is used in the hemial industry and the

rest $oes into roduts suh as soa and te7tiles, or is used in water treatment,

aluminium rodution and oil refinin$5

8he &AE $overnment has esta*lished heavy industry in order to inrease diversifiation

of the eonomy5 Borei$n firms have *een emloyed to rovide e7ertise in lannin$,

onstrution, mana$ement and maretin$ in return for minority shares in the omanies5

>il revenues have funded the onstrution of lants and the develoment of

infrastrutureM natural $as has *een used as a soure of ower and as feedsto5

Petroleum and natural $as industries and their related manufaturin$ are the *asis of the

national eonomy in the &AE5

A limited loal rodution of 'austi Soda e7ists in A*u +ha*i, hene the re9uirement to

develo a loal manufaturin$ lant that will rovide additional suly to the re9uired

industries5

4).) Project !ocation and Scale

8he 'hlor-Alali Plant will *e loated in A*u +ha*i Emirate aro7imately %!m south-

east of A*u +ha*i 'ity5 8he ro


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5iure 4( Reional !ocation of ICAD(




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5iure 4. Site !ocation




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4)1) Project and Activity Description

8he roosed 'hlor-Alali Plant will rodue hydrohlori aid (H'l), sodium hydro7ide

(austi soda) and sodium hyohlorite (6a>'l) *y eletrolysis of *rineOsalt solution(sodium hloride) utiliCin$ mem*rane ell tehnolo$y5 8his tehnolo$y is a roven,

environmentally-safe eletrolysis roess5

8he main roduts and lanned rodution aaity of the roosed hlor-alali ro


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Sodium *isulfite (6aHS>) will *e used for dehlorination of *rine and in the final

sta$e to eliminate hlorineM and

Sodium hydro7ide (6a>H) will *e used for removal of ma$nesium and heavymetals5

8he roosed ro


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5iure 41 5lo= Diaram of C9lorAl-ali Industrial Process




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8he followin$ are the ma


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4)1)() *nloadin and Storae of Salt

/ain raw materials will *e transorted via road from (where) to the roosed

'hlor-Alali Plant5 8he salt and other raw materials will *e unloaded from trus and will*e moved to a dediated stora$e area utiliCin$ front-end loaders5 8his stora$e area will

*e rovided with a onrete-lined ad and sheet-metal shadin$5 It is e7eted that

aro7imately 1%! tons of salt will *e *rou$ht to the 'hlor-Alali Plant on a daily *asis5

+etails of the roosed stora$e failities are rovided inTa;le 4 1*elow5

Ta;le 41 Proposed Storae 5acilities

S! NoStorae

materials

Proposed capacity

and description

Remar-s

Remar-s

1 Salt

#!,!!! 8ons 'overed

shed with wind

rotetion

8he stora$e areas for li9uid

hemial (austi soda, H'l and

6a>'l) a*ove-$round stora$e

tans will have ontainment

dies to ontain 11! erent

aaity of its entire volume of

tans within the ontainment5

8he stora$e area will *e of full

reinfored onrete floorin$ with

eo7y oatin$ to avoid any

$round ontamination in ase of

silla$es5

8he stora$e area will also *e

rovided with reoveryO draina$e

system to transfer the li9uid into

other stora$e tan immediately5

A6SI standards will *e followed

for onstrution of the stora$e

tans5

Paint used on the stora$e tanswill *e eo7y aint with three

different layers of seial

oatin$5

/S+Ss will *e loated at the

stora$e failities to $uide

ersonnel in ase of sills5

%'austi Soda

(#!Q)

4 tans 7 !! m

? m diameter 7= m hei$ht

/ild steel

%Q H'l

" tans 7 1#! m

#5# m diameter 7? m hei$ht

Ru**er-lined frominside5

4Sodium

Hyohlorite

4 tans 7 1!! m

45# m diameter 7" m hei$ht

BRP or deraane-lined

#'austi soda

Blaes

#,!!! m

'overed Shed




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4)1).) Brine Purification Process

/ae-u *rine for the roess is reared *y dissolvin$ rystal 6a'l salt into the return

*rine from the mem*rane ell eletrolysers, and is treated with hemials so as toreiitate the imurities of raw salt5

Beed to the eletrolysers re9uires hi$hly urified *rine free of any metalli imurities5

8his is erformed *y re oated filter and ion e7han$e resins under seondary *rine

urifiation failities5 8he lant will have a reyled 6a'l *rine stream as well as

deleted return *rine stream as er roess re9uirements5

4)1).)() Primary Brine Purification

8he return *rine is fed to the salt saturator5 8his will *e saturated with mae-uL salt5

/aeu rystal salt is ontinuously sulied to the saturator *y salt feeder (ay-loader)5

8emerature of the return *rine is ontrolled *y return *rine heater so as to maintain thesaturated *rine temerature within "!-"# T'5

8he lear saturated raw *rine overflows from the feed omartment of the saturator to the

lear *rine omartment and fed to the reator with the hel of ums5 8he density of

*rine is ontrolled automatially5 'hemials, suh as austi soda, *arium ar*onate and

sodium ar*onate shall *e added to the saturated raw *rine flow5

+issolved imurities of raw *rine ('a, /$ and S>4) are onentrated as 'a'>, /$

(>H)% .aS>4from the solution in the reator5 8he e7ess >H-is maintained *y hel of

automati H measurement ontrol5

8his susension solution is sent to the enter well of *rine larifier for sedimentation and

removal of the solid imurities5

Bloulent is also added to the stream of susension solution5 'larified *rine overflows

from *rine larifier to larified *rine tan5 Slurry from larifier slurry it and filter slurry it

is sent to slud$e filter ress to reover the *rine in the slurry5 Reovered *rine is fed to

return *rine tan5 8he *arium slud$e o*tained durin$ roessin$ shall *e dried and

stored in the imervious landfill inside the lant area5 As suh, the 9uestion of *arium

slud$e disosal does not arise5




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5iure 44 Brine Clarifier

8he larified *rine from larified *rine tan is then filtered throu$h rimary *rine filters

aed with anthraite oal as filter media5 /em*rane tye eletrolysers need hi$h

9uality *rine free from metalli imurities for trou*le free mem*rane ell eletrolyser

oeration5 Burther urifiation of *rine from the rimary *rine setion is arried out in theseondary *rine andle filtration and ion e7han$e resin adsortion system5

5iure 4@ Ant9racite 5ilters




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4)1).).) Secondary Brine Purification System

Candle filtration

In the mem*rane ell *ased austi O hlorine lant, the ontent of susended solid in the

filtered *rine must *e et very-very low *eause susended solids a*ove a ertain level

will lu$ the ion e7han$e resin5 'are is taen while desi$nin$ a *rine filtration system

for smooth oeration of the eletrolyser5 8he system emloyed *y Al Ghaith will have a

ar*on andles filtration system with automati han$e over valves and se9uene

ontroller5 8he oeratin$ roess of a andle filter onsists of four sta$es

1 Prearation of Pre-oat

8he re9uired 9uantity of the filtrate *rine is filled into the filter5 8his ste is erformed

immediately after the omletion of washin$ ste e7et the initial start5 Alhaellulose

of the re9uired 9uantity is dosed into a re-oat tan5 3hen the Dre-oat tan dosa$eomletion *utton has *een ushed and the re9uired time has assed, filtered *rine is

filled into the re-oat tan and a$itation *e$ins5

% Biltration

3hen saturated *rine asses throu$h re-oat layers formed on surfae of filter elements

from ustream to downstream, the fine imurities are traed and removed5 .ody feed is

automatially erformed durin$ reirulation and filtration roess5

3ashin$

8he imurities attahed and alha-ellulose on the surfae of filter elements are removedand washed *y flushin$ the lean *rine throu$h filter elements from inside to outside5 .y

washin$ filter elements are restored *a to ori$inal state *efore reuse5 Immediately after

omletion of washin$ roess (e7et initial start u) filtered *rine of re9uired 9uantity is

filled into the *rine filter5 Alha-ellulose of the re9uired 9uantity is dosed into the re-

oat tan5 After dosin$ of alha-ellulose filtered *rine is filled into the re-oat tan and

a$itation is started5

4 Pre-oat

Biltered *rine mi7ed with alha-ellulose is sent into the filter5 Alha-ellulose owder is

attahed evenly on the surfae of filter elements and the re-oat layers with alha-ellulose are formed5 8he layers ontri*ute to ahieve a fine filtration 9uality *y

reventin$ filter elements from *lindin$, whih $ives hi$her washin$ effiieny of filter

elements5




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Ion 'c9ane System

Any traes of alium and ma$nesium ion or other multivalent ations still resent in the

*rine are harmful to the eletrolyCer mem*rane5 8hese are removed after hemial

treatment and sedimentation in rimary *rine urifiation and further are removed *y ion-

e7han$e resin as a seondary urifiation ste5 Al Ghaith lan to imlement a -tower

a*sor*er merry-$o-round tye ion-e7han$e system5 Ion e7han$e resin is filled into all

the olumns5

8wo olumns are normally on line in series and while the third under$oes re$eneration5

After 1" hours the rimary olumn is swithed off-line for resin re$eneration and the

seond olumn is elevated to rimary osition, while the re$enerated olumn is swithed

into the osition of seondary olumn5 8he resin in the off-line olumn, in whih a lar$e

amount of multivalent ations have *een a*sor*ed, is re$enerated *y hydrohlori aid

and austi soda5 As er yle eah olumn is re$enerated after every % hours5 As all

the olumns are onneted throu$h automatially oerated valves, swithin$ taes lae

automatially throu$h the ro$ramma*le lo$i ontroller5

5iure 43 Ion 'c9ane Resin Columns




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Blow indiation and ontrol valves are installed in all the li9uid lines onneted to the ion

e7han$e system in order to automatially ontrol the flow rates5

8he resin re$eneration roess involves the followin$ stes5




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3ashin$ with water (*rine dislaement)

.awash with water

H'l re$eneration

3ashin$ with water

'austi re$eneration

3ashin$ with water

Relaement of water with *rine


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4)1)1) 'lectrolysis Process

8he eletrolysis setion omrises of the mem*rane eletrolyser and assoiated

e9uiment5

4)1)1)() "em;rane 'lectrolyser

8he eletrolyser assem*ly onsists of a num*er of *i-olar tye ell frames with a metal

anode and the ativated athode, the ion-e7han$e mem*rane, filter ress tye units for

mountin$ ell frames, su*-headers for feedin$ urified *rine and atholyte, su*-headers

for dishar$in$ eletrolysis roduts, and hoses for onnetin$ ell frames with su*-

headers5

A hi$hly urified *rine solution will *e fed to eah eletrolyser manifold and then

distri*uted to eah anode ham*er where it then deomoses into hlorine and sodium

ions5 8he *rine flow rate to eah eletrolyser iruit will *e monitored *y a flow ontrollere9uied with individual feed *rine *ranh ie5

5iure 40 'lectrolyer cell in operational reference plants IN'#S A?CCE

A two-hase roess stream of deleted *rine and wet hlorine $as overflows from eah

anode ham*er and is searated at the olletion manifold5 8he deleted *rine will flow

*y $ravity throu$h the *ranh ie and ommon header into the deleted *rine tan,

while the hlorine $as will *e sent to hlorine $as roessin$ setion5

+eleted *rine will *e umed to deleted *rine dehlorination system *y level ontroller5

8wo hydrohlori aid additions have *een onsidered for the *rine reylin$ system in

order to maintain a low o7y$en onentration in the hlorine $as5 >ne will *e loated at




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the inlet of the deleted *rine tan, while the other will *e situated at the ell feed *rine

line5

8wo tyes of hlorine $as seal ots will *e installed to rotet the eletrolysers from

e7essive ressure sur$in$ in roess uset onditions one for ositive ressure relief

and another for ne$ative ressure5 'hlorine $as header ressure in the ell room will *e

maintained *y the ressure ontrol of hlorine at ooler inlet5 Reyled austi will *e fed

to eletrolyser manifold throu$h a austi heat e7han$er and then distri*uted to eah

athode ham*er5 8he reyle austi flow rate will *e ontrolled *y the flow ontroller

installed in the austi feed line5

5iure 4+ Cat9olyte System

A two-hase stream of austi solution and wet hydro$en $as overflows from eah

athode ham*er and is searated at the olletion manifold e9uied with eletrolyser5

8he austi solution flows throu$h the ommon header into the austi reyle tan *y

$ravity5

Gas Proessin$ Setion

8he hydro$en $as ressure will *e maintained *y ressure ontrol sheme5 8o revent

an e7essive ositive ressure, a hydro$en vent sta will *e installed5 8his sta will

also serve as a $as ur$e system durin$ lant start u oerations5

After leavin$ the austi reyle tan, the austi solution will $o diretly to the rodut

stora$e tan and the reyle austi stream to the eletrolyser5 8he austi heat

e7han$er heats or ools the reyled austi to maintain the eletrolyser oeratin$

temerature at =# to @! T'5 8he eletrolyser austi stren$th will *e monitored *y the

austi density indiator, and normally et at aro7imately % wtQ5 8his is the otimum

onentration for mem*rane erformane *y ontrollin$ the +/ water feed 9uantity into

the reyled austi stream5

+urin$ start-u, the austi heat e7han$er will warm the eletrolyte in the eletrolyser,

aeleratin$ to full urrent load attainment without e7essive volta$e5 8o detet




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a*normalities of eletrolyser, volta$e and temerature monitorin$ systems have *een

inluded in the lant desi$n5

4)1)4) Brine Dec9lorination

+eleted *rine from deleted *rine tan will *e taen to a *rine de-hlorination setion to

mae return *rine, whih is free from hlorine5 A tyial *rine de-hlorination setion

onsists of aed tower where vauum is maintained with the hel of steam e'l, *ut not 'l%

to hloride5 Return *rine will *e re$ularly tested to detet the resene of free hlorine

*efore this enters the return *rine tan5

4)1)@) &ydroen %as Processin

Hydro$en $as is $enerated durin$ eletrolysis at *etween =# to @! T'5 8he $as will *e

introdued to the hydro$en $as oolers first with oolin$ water and then with hilled water,

where it will *e ooled to aro7imately 1= T'5 Brom hydro$en ooler $as, hydro$en $as

will *e taen to vent (durin$ start-u) or to the H'l aid synthesis unit5

4)1)3) C9lorine %as Coolin

8he hlorine $as oolin$ system is aa*le of rovidin$ $aseous hlorine5 6o rovision

has *een made for li9uefied hlorine rodution and stora$e5

8he hlorine $as oolin$ setion omrises of hlorine $as oolers (rimary seondary)

and a mist eliminator5 'hlorine $as omin$ from the eletrolyser at @! T' will *e

saturated with water vaors and will ontain traes of sodium hloride5 8he hlorine $as

will *e ooled to *etween 4! to 4# T' in the hlorine ooler with oolin$ water and then

u to -%!T' in the hilled water ooler5

+urin$ oolin$, lar$e 9uantities of water vaors $et ondensed5 8he water vaor will *e

olleted in the seal ot5 Entrained water vaors and salt traes are removed in the mist

eliminator5 A small 9uantity of roess water will *e added in the hlorine line in order to

dissolve entrained salt artiles5

4)1)0) Caustic Concentration 5la-in Plant

8his setion of the lant will have fle7i*ility to oerate on only #!Q austi soda

rodution (Mode A) and flain$ (Mode B) and rodution of *oth (Mode C)5 All the

three are desri*ed *elow5




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4)1)0)() "ode A 'vaporation only

8he %Q mem*rane ell li9uor will *e fed to the first sta$e fallin$ film evaorator

oeratin$ on rodut side under a vauum5 +urin$ a sin$le ass, the austi solution is

evaorated to aro7imately =Q5 8he $enerated vaors are led via dut to a water

ooled surfae ondenser where they are indiretly ondensed5 Inert $asses are sued

off *y a waterin$ vauum um5 8he =Q austi solution dishar$ed from the *ottom

art of the first sta$e evaorator *y means of um is heated to a temerature of 1" T'

throu$h heat e7han$e5

+urin$ a sin$le ass throu$h the seond sta$e fallin$ film evaorator oeratin$ on

rodut side at atmosheri ressure, the austi solution is onentrated to #!Q5 8he

vaor $enerated within is used to heat the first effet evaorator5

8he seond sta$e evaorator will *e heated *y steam5 8he steam ondensate will *e

used to reheat the =Q solution and returns at *attery limit5 8he vaor ondensate will

*e olleted in a 8an and leaves the lant at a temerature of aro75 ? !'5 8he #!Q

'austi solution will *e dishar$ed from the *ottom art of the seond sta$e *y means of

um (P-1%!1 AO.)5 It will *e ooled down to 4# 'hlor-Alali Plant T' *efore *ein$ sent to

.attery ;imit throu$h heat e7han$e5

4)1)0).) "ode B Concentration/ 5la-in

8he %Q mem*rane ell li9uor will *e fed to the first sta$e fallin$ film evaorator

oeratin$ on rodut side under a vauum of a*out 11 m*ar a*s5 +urin$ a sin$le ass

throu$h the evaorator, the austi solution will *e evaorated to aro7imately 4"Q5

8he $enerated vaors will *e led via dut to a surfae ondenser, where they will *eindiretly ondensed *y oolin$ water5 Inert $ases are sued off *y waterin$ vauum

um5

8he 4"Q austi solution, whih will *e dishar$ed from the *ottom art of the first sta$e

evaorator *y means of um, is heated to a temerature of 1%= T' (tyial value)

throu$h heat e7han$er5 +urin$ a sin$le ass throu$h the seond sta$e fallin$ film

evaorator oeratin$ on rodut side at atmosheri ressure, the austi solution will *e

onentrated to a*out "1Q5 8he vaor $enerated will *e used to heat the first effet

evaorator alon$ with the vaor omin$ from the onentration and flain$ unit5 8he

seond sta$e evaorator will *e heated *y steam5 8he steam ondensate will *e used to

reheat the 4"Q solution and returns at *attery limit5 8he vaor ondensate will *eolleted in a tan and will leave the lant at a temerature of aro75 ?4 T'5

8he "1Q austi solution from the evaoration will *e fed to a seially desi$ned fallin$

film onentrator5 +urin$ a sin$le ass throu$h this onentrator, the 6a>H solution will

*e dehydrated from "1Q u to a*out @=5#Q5 8he onentrator oerates on rodut side

under atmosheri ressure and the $enerated vaor will *e used to heat the first sta$e

evaorator in the evaoration lant5

8he heat re9uired for the onentration from "1Q u to @=5#Q is transferred *y molten

salt5 8he heat transfer salt is irulated *y um throu$h natural $as fired heater, where




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37/261

it is heated to aro7imately 4! T'5 8he flue $ases ass throu$h a om*ustion air re-

heater and are then vented throu$h a sta into the atmoshere5 8he *urner laed on

to of the molten salt heater, is desi$ned for oeration with reheated om*ustion air5

8he hi$hly onentrated austi melt leaves the final onentrator throu$h seal ot and is

fed *y $ravity to a seially desi$ned flain$ mahine, where it is roessed into flaes at

low temerature5 8he flaes are fed *y $ravity to a semi-automati *a$$in$ sale5 8he

*a$$in$ sale is of air ti$ht desi$n in order to avoid moisture i-u of the hy$rosoi

flaes5 8he filled *a$ will *e transorted via a onveyor to the *a$ losin$ mahine5 8he

*a$ is a dou*le walled *a$ with a PE inline and a PP woven outer *a$5 8he PE inline is

losed manually *y a drill *inder and the PP woven outer *a$ will *e losed *y a sewin$

mahine5

4)1)0)1) "ode C 'vaporation and Concentration/ 5la-in

In this mode li9uid austi and flaes an *e rodued at the same time5 8he roess

desrition is, in rinile, the same as for /ode . onentration and flain$5

However, the roess arameters are sli$htly different5 8he onentration after the first

evaoration sta$e is a*out 4!Q 6a>H5 8he onentration after the seond evaoration

sta$e is #!Q 6a>H5

After the seond evaoration sta$e the austi flow is slit into two streams, one feedin$

the final onentrator and the seond one leadin$ to the *attery limit5 8he austi $oin$

to the *attery limit is asses throu$h a set of two heat e7han$ers where the austi is

ooled down to a temerature of 4# T'5

8he onentration lant is worin$ with the same rinile as desri*ed under mode .

e7et that the feed onentration is #!Q instead of "1Q 6a>H5 8he lant is ontrolled

*y instruments to ensure fully automati oeration of the roess5 >eratin$ ersonnel

are re9uired only at the *a$$in$ and *a$ losin$ station5 However, start u and shut

down of the lant re9uires some manual interations5

4)1)+) Sodium &ypoc9lorite Plant

It is mandatory to install 3aste Air +ehlorination (3A+) in the 'hlor-Alali Plant in order

to omly with the re9uirements of the alia*le environmental le$islation5 +urin$ start

u and shut down of the lant, hlorine from the ell house is sent to the sodium

hyohlorite lant5 In ase of any leaa$e or e7ess ressure in the roess, hlorine will

*e sued *y the 3A+ setion5 8he waste hlorine header will *e onneted to all

vulnera*le oints where there is a hane of any hlorine leaa$e inludin$ vents and

seal ots5

8he sodium hyohlorite lant onsists of the followin$ setions

'hlorine Sution SystemM

1stSta$e A*sortion SystemM




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38/261

%ndsta$e A*sortion SystemM and

'hlorine Sution System5

'hlorine $as from hlorine setion as well as any leaed hlorine is sued into the lant

throu$h a sution *lower5 8his *lower handles only una*sor*ed air and water vaors5

(ststae a;sorption

8he 1ststa$e a*sortion system shall onsist of austi irulation tan, irulation um,

hilled water PHE and aed olumn a*sor*er5 8he 1sta*sor*er will fae onentrated

hlorine5 8he ma7imum hlorine will $et a*sor*ed at this sta$e5 +iluted austi will *e

irulated in the a*sor*er from austi irulation tan and umed for a*sortion of

hlorine from assin$ throu$h hilled water PHE to remove the heat of reation5 3hen

the *ath is ready the same is transferred to sodium hyohlorite stora$e tan and fresh

diluted austi is taen from olishin$ tower O %nda*sor*er tan5

8he reation in the sodium hyohlorite lant an *e summariCed as *elow

. Na#& F Cl.Na#Cl F NaCl F &.#

6ormally to $et a sta*le rodut, 1! to %! $lof e7ess alali is maintained in the rodut

and *efore transferrin$ it is ensured that availa*le hlorine is 1#! $l5

.ndStae A;sorption System

Sine some hlorine will esae from 1sta*sor*er the %ndsta$e a*sortion system will *e

installed to a*sor* the remainin$ hlorine from waste air5

Additionally, this system will onsist of one aed a*sor*er with one irulation tan,

irulation ums and late heat e7han$er5

The 2ndstage system consists of:

'hlorine Sution SystemM

'austi +ilution and >ver Head 8anM

1stSta$e A*sortion SystemM and

%ndsta$e A*sortion System5




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39/261

5iure 4G .ndStae A;sorption System

4)1)G) &ydroc9loric Acid Plant

4)1)G)() Principle of #peration

H'; is rodued as a $as from the om*ustion of hydro$en and hlorine $ases, then

a*sor*ed into water and ooled5 8he om*ustion roess is ontrolled to rovide ultimate

safety5

+urin$ the om*ustion roess, hlorine and hydro$en reat in e9ual volume to rodue

H'l $as5

H% 'l% %H'l

(Gas) (Gas) (Gas)

8his e7othermi reation $enerates a flame temerature of around %,#!!T', and a heat

load of aro7imately 1,!!! 'al O $ of H'l when roduin$ a ooled Q a9ueous

hase of H'l5 8he om*ustion roess is oerated with a sli$ht e7ess of H% over

stoihiometri onditions oeratin$ the system with this e7ess of H% ensures the

omlete 'om*ustion of hlorine $as, thus reventin$ it from esain$ into atmoshere

and roduin$ a ure hydrohlori aid5

4)1)G).) Synt9esis *nit

8he heart of the roess is synthesis unit (or inte$rated *urner a*sor*er), onstruted of

imre$nated $rahite materials enased in a water-ooled shell5 8he funtions O roess

stes of the synthesis unit inlude

'om*ustionM

Gas oolin$M




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40/261

A*sortionM and

Solution oolin$5

Hydro$en and hlorine $as enter the to of the synthesis unit and are *urnt into a seifi

*urner desi$ned to ensure the omlete om*ustion5 8he *urner onsists of seial

tu*es fitted inside whih are easily remova*le for maintenane5

8he addition of a*sortion water to the H'l $as is arried out at the to of the unit5 8he

$ases and a*sortion water are then ooled down in vertial hannels at ounter urrent

of servie side oolin$ water iruit5 8he wetted arts of unit are of the seleted material

to avoid any orrosion5

At the *ottom outlet of a*sor*er, the H'l solution is searated from the $as whih is

roessed in a tail $as tower sru**er to reover the remainin$ non-a*sor*ed H'l $as5

8he synthesis unit is normally oerated lose to atmosheri ressure, *ut it is roteted

a$ainst over ressuriCation with a ruture dis5 At the *ottom of assem*ly, and vented to

a sum ot *eneath the synthesis unit5

4)1)G)1) Tail %as To=er:

8he urose of the tail $as tower is to a*sor* or to sru* the $ases omin$ from the

*ottom of a*sor*er5 8he $as omonents are mainly inert with some *urnt hydro$en and

a little una*sor*ed H'l5 8he a*sortion water enters the to of the tail $as tower throu$h

a distri*utor and flows downwards over a ain$ as the $ases flow uwards to *e

e7hausted to atmoshere5 +urin$ this oeration, the remainin$ H'l will *e a*sor*ed5

4)1)G)4) Safety:

8he overall ontrol hilosohy of the H'l synthesis system desi$n is Dfail-safe, whih is

defined *y oenin$ ontats under a*normal onditions5 8he followin$ safety interlos

are rovided to either revent the system from *ein$ started or to ause the system to

shut down the ur$e itself5

Blame failureM

;ow oolin$ water flowM

;ow a*sortion water flowM

Safety dis *reaa$eM

Fery hi$h level in *uffer tanM

;ow 6% $as ressure while ur$in$ the unit durin$ startuM and

;ow instrument air ressure $au$es5




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41/261

+urin$ oeration, if either of the a*ove events ours, the synthesis unit shuts itself down

that a ur$e with nitro$en an *e arried out5

4)1)(H)Demineralied =ater system

8he roess raw water will *e +/ *y means of ion e7han$e treatment5 8he +/ water

rodution unit onsists of ationi and anioni e7han$ers, a de$asser (to redue the

'>% *efore feedin$ the anioni e7han$er), and a hemial dosin$ system for resin

re$eneration5 8he resin re$eneration will *e erformed with diluted solutions of

hydrohlori aid and sodium hydro7ide5 8his unit will *e desi$ned to *e oerated

automatially *y means of a Pro$ramma*le ;o$i 'ontroller (P;')5 8he effluent from the

+/ unit will *e mainly water with traes of aid and will *e direted to wastewater

neutraliCation it5

'oolin$ water unit

A losed-iruit oolin$ water unit will *e installed at the roosed lant and will onsist of

indued draft tye oolin$ towers5 8he warm oolin$ water will *e disersed uniformly

over the entire oolin$ area *y a distri*ution system5 8he air used for oolin$ will *e

drawn u *y fans loated on the to of the oolin$ tower5 8he ooled water will *e

olleted in a water *asin *eneath the tower5 8he olleted ooled water will *e umed

to various roess units in lant, olleted *a in the oolin$ water *asin and umed

*a to the oolin$ tower5

8he oolin$ water will *e treated with hemials in order to revent metal orrosion, sale

formation, and *iolo$ial foulin$, and thus hel in inreasin$ system oeratin$ effiieny

and the omosition of the *leed-off sent to drain5

4)1)(() C9illed =ater system

A hillin$ unit will *e installed at the lant to rodue hilled water5 8he hillin$ unit will

inlude a vaor a*sortion system to avoid the use of any >Cone-deletin$ refri$erant5

8he hilled water will *e used at various sta$es of the roess stream5

4)1)(.)Compressed air system

8he air omression unit will onsist of two omressors (oerational and stand-*y) for

the suly of 1!!Q of the omressed air demand for lant and instrument air5

Even thou$h the mem*rane lant will *e oerated ontinuously, variations of instrument

air re9uirement an our5 8he instrument air vessel will omensate these variations

and allow smooth oeration of air system5

8he omressed air system will also inlude a dryer whih will onsist of two units that

an *e used alternatively as an a*sor*er ham*er or in ase of re$eneration as desor*er

ham*er5




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42/261

In addition, the dry air system will *e used for air *lanetin$ (throu$h various inlets) the

austi flaes, startin$ from the hoers u to the *a$$in$ area, in order to revent the

flaes from a*sor*in$ the moisture5

4)1)(1)Steam supply system

A natural-$as fired *oiler omlete with a low-6o7*urner, a om*ustion air fan, and an

automati ontrol (for safety oeration) will *e installed at the lant to $enerate steam5

4)1)(4)Control and instrumentation system

8he lant will *e e9uied with a entral ontrol system ena*lin$ an automati oeration

of main roess units and hein$ the ritial arameters (temeratures, feed rate, li9uid

levels, et)5 8hese arameters are monitored with re-alarms and sensors5 Interlos

will also *e rovided for ersonal safety and material rotetion5 In addition, loal ontrolanels will *e rovided at the *urner system, srayin$ areas and at the *a$$in$ units5

+etails of roosed online monitorin$ system are rovided *elow inTa;le 4 4)

Ta;le 44: Proposed #nline "onitorin System

Type Description

'hlorine and hydro$ensensors

'austi Plant how many

/etersH meter, >RP

'ondutivity

Folta$e monitorin$e9uiment

'ell House

Proess ontrol e9uiment

All the roess arameters (temerature, ressure,flow et)

AnalyCers are lined with an Automated +'S withsafety tri lo$is

4)1)(@)Bain *nit

A *a$$in$ unit will *e installed to wei$h and automatially fill the austi flaes into *a$s5

8he system will onsist of an eletroni wei$hin$ sale and a fully automati fill and seal-

tye aa$in$ mahine, and will *e oerational 1" hours er day5

4)1)(3)Transportation System

8ransortation of main raw materials from I'A+ 1 to the roosed lant will *e via road5

In addition, finished roduts will *e transorted via road for distri*ution within the &AE

and *eyond5

Standard >eratin$ Proedures (S>P) will *e reared to ensure the followin$




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43/261

8ransortation is arried out safely in omliane all alia*le EA+

rulesOre$ulations and international onventionsM

/aterials to *e transorted are within allowa*le wei$ht and volume limitsM

6o leaa$eOsilla$e of the materials from the vehiles ours durin$

transortation and loadin$Ounloadin$M and

Fehile oeratorsOdrivers follow alia*le &AE traffi lawsOre$ulations5

4)1)(0)5acility Construction

8he followin$ ma


44/261

Sta for Sodium hyohlorite tower ('l%$as)M

Sta for natural-$as fired *oiler (SP/, 6>7, S>7, 'H4, '>%)M

Sta for Blain$ &nit (SP/, 6>7, S>7, 'H4, '>%)5

8he rimary soure of air ontaminants durin$ the onstrution hase will *e the various

internal om*ustion en$ines used at the onstrution site, whih will inlude *oth non-

road onstrution e9uiment and some on-road vehiles5 8hese mo*ile soures will emit

ar*on mono7ide ('>), volatile or$ani omounds (F>'s), nitro$en o7ides (6> 7) and

sulfur dio7ide (S>%) into the atmoshere5

8he oeratin$ horseower of the e9uiment was estimated as the avera$e horseower

for a seifi tye of e9uiment utiliCin$ the &SEPA non-road emission fators5

Burthermore, sine the seifi num*er and tye of e9uiment to *e used onsite at any$iven time has not yet *een finaliCed, a onservative estimate of the tye and num*er of

onstrution e9uiment to *e used has *een assumed5 8he orresondin$ 6EFES

emission fators are resented in 8a*le 4 -#*elow5 8he ma7imum monthly and daily

estimated emissions durin$ the onstrution eriod are summariCed in 8a*le 4 -"5




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Ta;le 4@: Construction 'uipment Air 'mission 5actors)

'pected Construction

'uipment

9pC#

/;9p9rE

2#Cs

/;9p9rE

N#

/;9p9rE

S#.

/;9p9rEPlate 'omators = 51 !5= @5 !5@

Rollers @@ 51 !5=% @5 1

E7avators 14 #5% !5?1 1!5?# !5@

'ranes 1@4 45% 15%@ 1!5 !5@

>ff-Hi$hway 8rus 4=@ %5= !5=" @5" !5=?

8ratorsO;oadersO.ahoes ?? "5= 154 1!51 !5@

+umersO8enders % %5= !5=" @5" !5=@

Generators U #! h %% # 15%% = !5@

Air 'omressors U #! h ? # 15%% = !5@

474 &se (Petrol Buel)V 6OA %5!" !5!4 !514 !54!

474 &se (+iesel Buel)V 6OA !5"1 !51# !5% !54!

.usV 6OA 15#" !54@ 5@ !54!

#!! NFA Generators #! #5! 15%% =5! !5@

Air 'omressors #! #5! 15%% =5! !5@

Ta;le 43: Construction 'missions 'stimates)




Pa$e (

Construction Perioddays/mont9E .3

'stimated Pea- Construction 'missions!ent9 of =or-in days9rs/dayE (H

'pected Construction'uipment 9p Jty

C# 2#Cs N# S#.-/mont9E -/mont9E -/mont9E -/mont9E

Plate 'omators = 1 "5! 15" 1?5@ 15=

Rollers @@ 1 "5! 15" 1?5@ 15=

E7avators 14 1 45! 151 115@ 15%

'ranes 1@4 % 45= 15 145 1544

>ff-Hi$hway 8rus 4=@ 1 5! !5= =5@ !5@

8ratorsO;oadersO.ahoes ?? % 115@ 5% #5? 5"

+umersO8enders % 1 "5! 15" 1?5@ 15=Generators U #! h %% 115@ 5% #5? 5"

Air 'omressors U #! h ? % %5= "54 ?154 ?5%

474 &se (Petrol Buelled) VVV 1! #@5# 1"5! 1?=5# 1=

474 &se (+iesel Buelled) VVV # #@5# 1"5! 1?=5# 1=

.us VVV # "5! 15" 1?5@ 15=

Total 'stimated 'missions-/mont9E

%!% #4 "!" "1

'stimated 'missions -/dayE ?5= %51 %5 %54


46/261

8he movement of soils durin$ onstrution ativities will *e antiiated to lead to the

$eneration of air*orne dust5 8he ourrene and si$nifiane of dust $enerated *y earth-

movin$ oerations will *e diffiult to estimate aurately, and deends uon

meteorolo$ial and $round onditions at the time and loation of the earthwor5

Fery small 9uantities of '>% emissions are released durin$ the urifiation of *rine with

sodium ar*onate5 It is estimated that 1! $rams of ar*on dio7ide are released er ton of

austi soda rodution5 Bu$itive '>% emissions are also liely from the hlorine

destrution unit and handlin$5

+urin$ loadin$ of austi and 6a>'l, fu$itive emissions are not antiiated5 However,

fu$itive emissions are liely durin$ H'l loadin$5

Control measures to minimie air emissions

8he deleted *rine from the eletrolysis setion, ontainin$ free hlorine, will *e

de-hlorinated in a *rine de-hlorination tan where most of the free hlorine will

*e stried out *y vauum and the stried hlorine $as will *e sent to the main

hlorine $as header5 8he de-hlorinated *rine leavin$ the de-hlorination tan

will *e allowed to reat with sodium *isulfite solution at a H of @-@5# for further

removal of hlorineM

All hlorine-ontainin$ waste $as streams will *e direted to the hlorine

a*sortion unit5 8he hlorine a*sortion unit will *e desi$ned with a treatment

aaity suffiient to a*sor* the full ell-room rodution to revent emissions of

hlorine $as in the event of emer$enies andOor irre$ular lant oeration untilthe lant an *e shut down5 8he hlorine a*sortion unit desi$n will ena*le the

lant to lower the hlorine ontent in the emitted $as to less than 15?% mv (#

m$O6m) in the worst-ase senario omared to EA+s ermissi*le limits of %!

mv5 In addition, the emitted H'l vaor will *e less than "5?! mv (1!

m$O6m) in the worst-ase senario omared to &S EPALs ermissi*le limits of

1% mvM

8he steam *oiler and the flain$ unit will inlude low 6o7*urners to effetively

redue 6o7 emissions to meet the EA+ ermissi*le limit of ## m$O6m5 S>7

emissions will *e *elow the /oELs ermissi*le limit of #!! m$O6mM

Re$ular annual insetion of *oiler and flain$ unit will *e onduted to avoid

any e7ess ar*on dio7ide releaseM and

A sru**in$ unit with @#Q effiieny will *e rovided to ontrol fu$itive emissions

durin$ H'l loadin$5




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4)1)(G)>aste=ater Treatment and "anaement

>aste=ater sources

3aste water $enerated at the lant will ori$inate from various oerations as listed

*elow

+urin$ re$eneration of the ion-e7han$e resins (emloyed durin$ seondary

*rine urifiation roess), wastewater ontainin$ trae amounts of dissolved

metals (niel, Cin, iron, oer) will *e $eneratedM

+urin$ urifiation of the *rine, hi$h onentration of hloride, hlorates, and

o7idants may aumulate5 'hlorates may also form as *y-roduts durin$

eletrolysis5 +ue to the reylin$ of the *rine, the followin$ omonents may

*uild-uM

o Sulfate ions may often have a ne$ative effet on the eletrolysis roess

(dama$es the anode oatin$)5 .leedin$ of the *rine treatment system will *e

onduted eriodially to redue the levels of sodium sulfate andOor sodium

hlorate in the ells5 3astewater will *e $enerated as result of *leedin$ of

the iruit5

o 'hlorinated hydroar*ons may *e formed in a reation *etween or$ani

ontaminants in the eletrolyCer and free o7idants5 Releases of hlorinated

hydroar*ons will normally *e very low (aro7imately %! $Oyear), tyially

!5!-151" $rams er ton of hlorine rodued5

3astewater resultin$ from wash-outs of unit omonents, e7haust air sru**er,

and floorsM

3astewater $enerated as a result of austi evaorationM and

Sanitary wastewater $enerated durin$ onstrution and oerational hases5

.ased on internationally aeted standard of !5%# m of sanitary wastewater

$enerated er erson er day, the onstrution sanitary wastewater for estimated

#!! worers will *e 1%# mOday, and the oerational sanitary wastewater for 4#

emloyees will *e 1% mOday5

As mentioned earlier, with the e7etion of *lowdown water, the roosed lant will not

have any wastewater dishar$e from the oolin$ water unit5

Control measures to minimie effluent

Reylin$ of *rine (removin$ imurities) *y ion-e7han$e resin unit5 Su*se9uent

re$eneration of resins will *e aomlished *y usin$ austi soda and aidwashin$M

&sin$ sent aid to ontrol H in roess and wastewater streamsM




Pa$e 41


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Removal of reiitated salts from the *rine throu$h deantationOlarifiation and

filtrationM

/inimiCin$ the dishar$e of hlorate to water *y alyin$ aid onditions in theanolyte (H 1-%)5 Also, hlorate destrution in the *rine iruit will *e onduted to

remove hlorate *efore ur$in$M

Removal of *rine filtration slud$e *y flushin$ with a wea H'l solution5 8he aid

will ause the reiitate to dissolve and the resultant solution will *e dishar$ed

with the li9uid effluent to the onsite wastewater treatment lantM and

Reylin$ of water, wherever ossi*le, utiliCin$ Reverse >smosis (R>) unit5

4)1).H)Solid >aste Treatment and "anaement

Solid wastes $enerated at the 'hlor-Alali Plant durin$ the *rine urifiation will onsist of

used materials suh as re-oat and feed material made of ellulose5 8he re-oat filter

slud$e from the *rine softener will onsist mainly of alha-ellulose, ontaminated with

iron hydro7ide and silia5 Sent mem*ranes and $asets from mem*rane ells will *e

other waste streams remainin$ after their servie life5 8he solid waste $enerated at the

roosed lant will *e mana$ed as er a 3aste /ana$ement Plan (3/P)5

>n a $eneral level, waste will *e stored in a dediated area and will *e disosed followin$

relevant EA+ re$ulations5

4)1).()5ire and Toic %as Release Prevention and Control

8he e9uiment onfi$uration at the roosed lant will onform to *est raties for

modern 'hlor-Alali lants5

+ue to vulnera*ility of fire and to7i $ases in any 'hlor-Alali lant (diret and indiret),

the followin$ effetive reventive and ontrol measures will *e taen at the roosed Al

Ghaith lant to minimiCe fire or other haCards and onse9uential dama$es

Installation of fire detetion and alarm systemM

Installation of hydrant systemM

Installation of automatially ativated hi$h veloity srinler systemM

Plaement of orta*le fire e7tin$uishersM

8ie-u of hydro$en $as $enerated in the ell room to the $as headerM

&se of Wintrinsially safeW eletrial e9uiment in the seleted lant areasM




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A little amount of hydro$en $as will *e vented to the atmoshere durin$ uset

onditions throu$h safety release valves5 Fentin$ system will *e so desi$ned that

onentration level of hydro$en in air will *e always less than 1Q with followin$

au7iliary e9uiment

o Blame arrestor in the vent lineM

o Blame sensor near vent ointM

o Automati ur$in$ of steam in the vent ie (interlo with flame sensor

will *e rovided)M

o Sta hei$ht will *e desi$ned as er the standard $uidelines5

Installation of hlorine a*sortion unit desi$ned with a treatment aaity

suffiient to a*sor* the full ell-room rodution in the event of emer$eniesM

Installation of hlorine and hydro$en $as detetors in the eletrolysis ell roomM

Imlementation of 3aste Air +ehlorination (3A+) in the sodium hyo lant for

neutraliCin$ 9uantity of waste $as arisin$ out of eletrolyCerLs oeration5 8his

system, utiliCin$ dou*le-sta$e sru**in$ mehanism, will *e desi$ned to

neutraliCe all hlorine rodued at full aaity for 1# minutesM

8he omosition of the vent stream that will *e vented from hlorine a*sortion

unit and 3A+ durin$ the normal oeration will *e as follows

Air saturated with water @@5@@@@Q

'hlorine $as !5!!!!!4#Q

H'l 6il

Entire e9uiment will *e *aed-u *y emer$eny ower $enerator setM

>eration of ontrol and instrumentation system ena*lin$ an automati oeration

of the unit *y ontrollin$ the imortant roess arameters suh as temerature,

feed rate and li9uid levels, monitorin$ the ritial arameters with re-alarms, and

interlos for ersonal safety and material rotetionM and

8ransortation of the raw materials and finished $oods (in and out of the lant,resetively) will *e onduted safely and will *e in omliane with alia*le

&AE rules and re$ulations and international onventions5

4)4) Project Status and Sc9edule

4)4)() Current Status

8he 'hlor-Alali Pro


50/261

Su*mission of initial draft PEHSR to Jonesor on %? Au$ust %!11M

AndX5

4)4).) Project Sc9edule

8he urrent ro


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@) 'N2IR#N"'NT6 I"PACTS6 "ITI%ATI#N AND "#NIT#RIN%

@)() Air Juality

@)()() Description of t9e 'nvironment

@)()()() Reional Climate and "eteoroloy

8he limate of the re$ion is *i-seasonal, haraterised *y hi$h temeratures and low

rainfall5 8he summers (/ay to >to*er) are distintly hot, with daytime temeratures

re$ularly e7eedin$ 4!T'5 Rainfall ours oasionally durin$ the summer, *ut is

$enerally restrited to the ooler winter months (6ovem*er to Aril) when temeratures

an dro to 4T' in some areas (usually inland) at ni$ht5 Seasonal flutuations in

temeratures are less well ronouned alon$ the oast, where they are *uffered *y the

maritime influene5

Annual rainfall amounts vary aordin$ to loation, *ut reiitation $enerally dereases

from north-east to southwest alon$ the &AE5 'oastal areas suh as A*u +ha*i reeive

a*out =! mm of rain annually5

Bo$ ours on 1 days or an avera$e of 1!" hours er year near the oast5 Also near the

oast fo$ is more fre9uent in winter (?" days on avera$e) than in summer to (4= days on

avera$e)5 Bo$ inidene an last from half an hour to 1! hours, deendin$ on the time of

formation and the weather onditions5

Humidity eas in 2uly and Au$ust at over @!Q, and dereases throu$h >to*er, with theleast ourrin$ from 6ovem*er throu$h to Aril5 8he humidity over the ooler months an

fall to 1!-%!Q5

8he weather durin$ muh of the year is dominated *y a rid$e of hi$h ressure e7tendin$

southwards into entral Saudi Ara*ia with lower ressure over the eastern Gulf5 8he

result of this is the revailin$ winds from the north and north western 9uadrants, nown

*y their Ara*i name shamalL, meanin$ northL5 Shamals our mainly durin$ the ooler

months, however they an also our durin$ the hot season, tyially 2une and 2uly5

Alon$ the western oastal lain, sea *reeCes tend to dominate with li$ht south south-

easterlies at ni$ht *ein$ relaed *y moderate northwesterly winds durin$ daytime5 A

stron$ northerly shamal is usually reeded in the &AE *y stron$ southerly winds, raisin$desert sands and reduin$ visi*ility5 8he shift to northerly winds may *e 9uite sudden

and an *e aomanied *y rain, thunderstorms, or dust storms5

@)()().) Am;ient Air Juality

8he main soure of air ollutants in /usaffah is traffi in addition to different industrial

ativities, all ontri*utin$ to emissions from small worshos and lar$er industrial

roesses in the area5




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"odelled Air Juality

'omuter modellin$ was used *y EA+ to assess imats of emissions from stas and

traffi on am*ient air 9uality in different areas5 Imats of eah soure was *e modelled

searately, thus allowin$ the identifiation of its ontri*ution to the o*served attern5 8he

simulation model used rodued hourly avera$es and ma7ima, "-months avera$es and

ma7ima, and yearly avera$es and ma7ima5

N#.

8he air ollution disersion alulations show that inside the A*u +ha*i ity, due to

emission onditions and revailin$ wind, traffi is the main ontri*utor to imat of

nitro$en o7ides5 8he roosed one-hour air 9uality $uideline for 6>% (%!! Y$Om) is

e7eeded inside A*u +ha*i ity with the emissions from traffi alone (Error Referene

soure not found), *ut not in /usaffah5 However, oint soures lie ower lants will $ive

inreased imat downwind in revailin$ wind diretions5 8heir ontri*ution, added to the

ontri*ution from traffi, an lead to e7eedane of the roosed air 9uality $uidelines in

areas outside the ity entre (Error Referene soure not found) where these $uidelines

were not e7eeded with the ontri*ution from traffi alone5 A$ain, the resent one-hour

air 9uality $uideline for 6>%is not e7eeded in /usaffah5

5iure @(H (9our averae N#.concentrations K/m1E from traffic emissions in A;u D9a;i

city 'AD6 .HH0E




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5iure @(( "aimum (9our averae N#.concentrations K/m1E from traffic and industrial

emissions in A;u D9a;i city 'AD6 .HH0E




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54/261

S#.

8he ma7imum 1-hour S>%onentrations in A*u +ha*i ity and surroundin$s does not

e7eed the one-hour air 9uality $uideline for S>%(#! Y$Om), *ut it reahes a ma7imum

of %#! Y$Omin /IA (Error Referene soure not found)5 In the entre of A*u +ha*i ity

the ma7imum 1-hour S>%onentrations are *etween 1!! and 1%# Y$Om5

5iure @(. "aimum (9our averae S#.concentration K/m1E from traffic and industrial

emissions in A;u D9a;i city 'AD6 .HH0E

Additionally, air 9uality in /IA was also measured in %!!= *y a mo*ile la*oratory over a

1!-day eriod durin$ the summer months5 8he mean measured values were avera$ed Z

to 1 hour, = hour, %4 hour andOor 1 year values for the arameters for whih alia*leEA+ Am*ient Air 0uality Standards (AA0S) e7ist5 6either the measurements nor the

alulated avera$ed values (Error Referene soure not found)e7hi*ited e7eedanes

of the EA+ AA0S arameters, e7et P/1!5 Bor P/1!, the 1!-day measured value mean

and the alulated avera$ed value *oth e7eeded the resetive EA+ AA0S5 8his an

*e attri*uted to the emissions from industrial ativity with in /IA as well as the naturally

hi$h levels of P/1!ourrin$ in the re$ion due to its sandy to land rofile (EA+, %!!?)5

Z8his avera$in$ was arried out usin$ an in-house alulation method5 8he avera$ed values were derived fromthe 1!-day measured mean value5




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Ta;le @0 Am;ient Air Juality in "usaffa9

Parameter(Hday "easured 2alues

/m1ECalculated

Averaed 2aluecompared to

"eanE

AverainPeriod

'AD

AAJS

"ean "inimum "aimum

/m1E

6> =5? 45# 44"546OA 6OA 6OA

6> %!5% ! 1%!5@

6>% #%5= 5 1%!5%1#=5! 1 hour 4!!

=5? %4 hour 1#!

S>% 145? 15@ "?5%

445! 1 hour #!

%5 %4 hour 1#!

?5% 1 year "!

H%S @5? %5" %45 6OA 6OA 6OA

'> !5" !51 15#15= 1 hour !,!!!

15% = hour 1!,!!!

> 4154 ! 1%"51%5@ 1 hour %!!

=15? = hour 1%!

P/1! 1# %= #?% %145! %4 hour 1#!

/ore reently, the A+6>' arried out ontinuous air 9uality monitorin$ emloyin$ a

mo*ile air 9uality monitorin$ station (trailer) ositioned at the ES6AA+ /IA site *etween

11 /ay, %!!@ and %? Setem*er, %!!@5 8he arameters monitored were S>%, 6>%, >,

'>, P/1!, 6/H', 'H4and H%S5 +etails of the monitorin$ methodolo$y and reortin$ are

availa*le in the Am*ient Air 0uality /onitorin$ at ES6AA+ reort rodued *y 6ahla

/edial Sulies (6ahla /edial Sulies, %!!@)5

In summary, the monitorin$ results demonstrated that 6>%1 hour and %4 hour avera$ed

onentrations, S>%1 hour and %4 hour avera$ed onentrations, and '> 1 hour and =

hour avera$ed onentrations were in omliane with their alia*le orresondin$

Am*ient Air 0uality Standards (AA0S)5

Bor >, the 1 hour avera$ed onentration was in omliane with the alia*le

orresondin$ AA0S5 8he = hour avera$ed onentration, however, e7eeded the

alia*le orresondin$ AA0S @, ", % and % times in /ay, 2une, 2uly and Au$ust %!!@

resetively5

Bor P/1!, %4 hour avera$ed onentration e7eeded the alia*le orresondin$A+6>' AA0S , %1, %%, 1= and " times in /ay, 2une, 2uly and Au$ust %!!@ resetively5

Aordin$ to the survey reort (6ahla /edial Sulies, %!!@), these e7eedanes an

*e attri*uted to a dust haCe eisode ourrin$ over the /iddle East durin$ the monitorin$

eriod5




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@)().) 'nvironmental Impact Prediction and 'valuation

@)().)() 'missions from #peration of 5uelConsumin 2e9icles and 'uipment

Construction

+urin$ the onstrution eriod, oeration of vehiles and onstrution e9uiment with

internal om*ustion en$ines will lead to e7haust emissions of om*ustion roduts

inludin$ 6>%, S>%, '> and P/1!5 Small amounts of volatile or$ani ar*on omounds

(F>') may also *e emitted from un*urned fuel in the e9uiment en$ine e7hausts or other

fu$itive emission soures suh as fuel ie fittin$s5

8he air emissions inventory for all onstrution ativities is resented in 8a*le 4-4 and 4-

#, in Setion 4551=5

+ue to the industrial nature of the Pro7*urners for its sin$le steam *oiler and flain$ unit that will

omly with EA+ e9uiment-seifi emission standards5 8he air emissions inventory for

all onstrution ativities is resented in 8a*le 4-4 and 4-#, in Setion 4551=5

/ost of the emission soures are not e7eted to have hi$h riteria or GHG emissions5

8he GHG emissions from these stas will *e mostly '>%and ne$li$i*le 9uantities of

/ethane durin$ ertain hases of the roess yle5 8he roess will also *e e9uied

for hydro$en ventin$ durin$ emer$enies5 8hese ventin$ events will *e of very *rief

duration and are not e7eted to have any si$nifiant imat on the air 9uality5




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8he rimary riteria air ontaminants of interest for the 'hlor-Alali Plant ro 7

and S>%, *oth of whih are om*ustion derived5 8he roosed 'hlor-Alali Plant will emit

an overall total of # tons 6>7Oyear and % tons S>%Oyear5 Sine the roosed ro


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suh as i$arettes as well as environmental fators suh as *uild-u of hi$h temeratures

within the hemials stora$e area due to hi$h am*ient temeratures5 Suh a situation

would lead to emission of tyial om*ustion roduts5

It is to *e noted, however, that air 9uality imats from any of the afore-mentioned events

would *e short-term in nature i5e5 only resent until the fire is e7tin$uished or the fuel runs

out5

8herefore, it is onsidered that the overall environmental imat to air 9uality in the

Pro


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8he &SEPA has determined that hlorine is not a ersistent ollutant, in that it hotolyCes

raidly to hydrohlori aid (H'l), a muh less to7i su*stane, followin$ the release5

'hlorine, as a owerful o7idiCer, attas the lun$s, ausin$ inflammation (neumonitis)

and fluid aumulation (ulmonary edema), and is intensely irritatin$ to the eyesM

rolon$ed andOor aute e7osure may *e fatal5 8a*le # -= *elow summariCes tyial

symtoms of e7osure to various onentrations of hlorine5

Ta;le @+: Summary of C9lorine &ealt9 'ffects

Concentration ppm in airE &ealt9 'ffects

1- m /ild muous mem*rane irritation

#-1# m &er resiratory trat irritation

! m Immediate hest ain, vomitin$, shortness of *reath(dsynea) and ou$h

4!-"! m Inflammation of lun$ tissues (to7i neumonitis) andfluid aumulation (ulmonary edema)

4! m +eath within ! minutes

1,!!! m +eath within a few minutes

8he Emer$eny Resonse Plannin$ Guideline ;evel % (ERPG-%) value for hlorine $as is

m, whih is set as end oint onentrations for hlorine $as lume durin$ emer$eny

resonse5

ERPG-% is the ma7imum air*orne onentration *elow whih it is *elieved that nearly all

individuals ould *e e7osed for u to one hour without e7erienin$ or develoin$

irreversi*le or other serious health effets or symtoms whih ould imair an individualLs

a*ility to tae rotetive ation5

8he Amerian Industrial Hy$iene Assoiation (AIHA) u*lishes ERPG levels for various

hemials (httOOwww5aiha5or$O'ommitteesOdoumentsOer$levels5df 5)5 If an EPRG-%

value has *een u*lished, the Emer$eny Resonse Guideline uses this num*er for

settin$ the Protetive Ation +istane (PA+)5 If an ERPG-% value has not *een

esta*lished, the PA+ is set at !5!1 7 ;ethal 'onentration (;') #!5

8he other useful e7osure limits for hlorine are resented *elow in 8a*le # -@.




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60/261

Ta;le @G: #t9er *seful 'posure !imits for C9lorine

Standard Settin Body Permissi;le 'posure6

ppmE

Description

6ational Institute of

>uational Safety and

Health (6I>SH)

!5# Reommended E7osure

;imit (RE;)

Amerian 'onferene of

Governmental Industrial

Hy$ienist (A'GIH)

!5# 8hreshold ;imit Falue (8;F)

8ime 3ei$hted Avera$e

(83A)

&N Health and Safety

E7eutive (HSE)

!5# ;on$-term e7osure limit (=

hour), >E;

&SEPA !5# Environmental air limit

>uational Safety and

Health Administration

(>SHA)

15! Permissi*le E7osure ;imit

(PE;)

6I>SH 15! Short 8erm E7osure ;imit

(S8E;)

A'GIH 15! S8E;

&N HSE 15! S8E;, >E;

6I>SH 1! Immediately +an$erous to

;ife or Health (I+;H)


Pro


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*oth hases, as well as movement of flamma*le su*stanes off site5 In the events of a

fire ourrin$ due to an aident durin$ the deommissionin$ ativities, tyial

om*ustion roduts will *e emitted5 Similar to the onstrution hase, it is e7eted that

air 9uality imats from any of the afore-mentioned events would only our until the fireis e7tin$uished5


Pro


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Some of these ativities will *e inluded under soe 1 if the ertinent emission soures

are owned or ontrolled *y the omany (e5$5, if the transortation of roduts is done in

vehiles owned or ontrolled *y the omany)5

GHG emissions from the 'hlor-Alali Plant will onsist rimarily of nominal 9uantities of

'>%5 '>% emissions from normal oeration of the natural $as fired units (*oiler and

flain$ unit) were estimated usin$ &SEPA AP-4% emission fators, and are rovided in

8a*le 4 -#and 8a*le 4 -"5 8hese estimates amount to a total of only ##%1 tOyear of '>%5

8his roortion is e7eted to *e si$nifiantly lower *ased on future estimates of national

'>%emissions when the 'hlor-Alali Plant is oerational5

Bu$itive emission of '>% is liely durin$ the urifiation of *rine with sodium ar*onate,

and it is estimated that 1! $m of ar*on dio7ide is released er ton of austi soda

rodution5 Bu$itive '>% emission is also liely from the hlorine destrution unit and

handlin$5

It is onsidered that the overall environmental imat to air 9uality in the Pro


63/261

@)()1) "itiation "easures

@)()1)() Potential "itiation "easures

Impact

DescriptionP9ase

Score

Ris- Potential "itiation

Applica;le

'nvironmental

Standard / !imits

P

ro;a;ility

Co

nseuence

Emissions from

>eration of

Buel-'onsumin$

Fehiles and

Plant E9uiment

'onstrutionRare

/inor

!o=

Adot traffi routin$ to ma7imise travel on aved roads

wherever ossi*le5

Enfore seed restritions

Ensure minimiCation of dou*le-handlin$

Ensure wet suression of unaved routes

Ensure re$ular maintenane of onstrution mahinery

and vehiles to ensure effiient oeration

EA+ Am*ient Air

0uality Standards

for the Emirate of

A*u +ha*i

3H> Air 0uality

Guidelines %!!#

IB' EHS

Guidelines on Air

Emissions and

Am*ient Air

0uality %!!?

>eration;i1ely

/inor

!o=

Enfore seed restritions

Ensure minimiCation of dou*le-handlin$

Ensure re$ular maintenane of onstrution mahinery

and vehiles to ensure effiient oeration

Re$ular maintenane of the G8s aordin$ tomanufaturer seifiations to limit otential for non-

desi$n emissions due to malfuntion

+eommissionin$Rare

/inor

!o= Same as for the 'onstrution Phase




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Impact

DescriptionP9ase

Score


Applica;le

'nvironmental

Standard / !imitsPro;a;ility

Conseuence

Emissions of

Greenhouse

Gases

'onstrution,

oeration and

deommissionin$;i1ely

Insi$nifiant

!o=

Ensure valves on refri$erant $as ylinders are normally

et shut

&se of alternate refri$erants that do not have a GHG

imat5

6ot Alia*le




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Impact

DescriptionP9ase

Score


Applica;le

'nvironmental

Standard / !imitsPro;a;ility

Conseuence

Emissions from

Aidental

Events

'onstrutionRare

/inor

!o=

Ensure aroriate internal wirin$ is utilised in

onstrution mahinery and it is run aordin$ to the

manufaturerLs seifiations as well as re$ularlyinseted and maintained5

Preare a ro Air 0uality

Guidelines %!!#

IB' EHS

Guidelines on Air

Emissions and

Am*ient Air

0uality %!!?>eration

R

are

/

a


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@)()1).) Selected "itiation "easures

'missions from #peration of 5uelConsumin 2e9icles and 'uipment

+onstruction

8he overall otential for si$nifiant adverse imats from onstrution-$enerated dust is

onsidered to *e unliely due to the followin$ reasons

Pro


68/261

sru**er to rodue sodium hyohlorite5 8he hlorine a*sortion unit will *e desi$ned

with a treatment aaity suffiient to a*sor* the full ell-room rodution in the event of

emer$enies5

8he hlorine a*sortion unit will lower the hlorine ontent in the emitted $as durin$

oeration to less than 15?% mv (# m$O6m) in the worst-ase senario omared to %!

mv of &SEPALs ermissi*le limits - /a7imum Ahieva*le 'ontrol 8ehnolo$y (/A'8)5

In addition, the emitted H'l vaour will *e less than "5?! mv (1! m$O6 m) in the worst-

ase senario omared to 1% mv of &SEPALs ermissi*le limits (/A'8) 5

All of the hydro$en $as rodued durin$ eletrolysis of salt in the rodution will *e used

onsite as hemial feedsto for rodution of H'l in the H'l synthesis unit5 8he

hydro$en $as will *e safely handled in the rodution of H'l *y rovidin$ an emer$eny

vent in the roess line5 8he entire vent system will *e desi$ned to inlude a flame sensor

and a steam and nitro$en ur$in$ mehanisms5 In addition, the roess safety reliefvalves will *e onneted to vent system, and durin$ roess uset, these safety relief

valves will *e ativated for ventin$ the hydro$en $as to avoid unsafe onditions5 8he

'hlor-Alali Plant will also install hydro$en $as holder in the system to minimiCe the

roess usets and to redue ventin$5

+urin$ loadin$ of austi and 6a>'l, fu$itive emissions are not antiiated5 However,

fu$itive emissions are liely durin$ H'l loadin$5 A small sru**in$ unit with an effiieny

of @#Q will *e rovided to ontrol these fu$itive emissions durin$ H'l loadin$5

E7eted H'l onentration at the loadin$ area will *e less than !5!m (!5!# m$Om )

and the H'l onentration in the sru**er outlet durin$ loadin$ oeration will *e

aro7imately !51? m (!5%# m$Om)5

In summary, the air emissions under normal oerations for the Al Ghaith 'hlor-Alali

ro


69/261

However, the *est form of miti$ation would *e to utiliCe alternate refri$erant $as that does

not have a GHG imat5

'missions from Accidental 'vents

+onstruction

8he EP' Site Environmental /ana$er will ensure that aroriate internal wirin$ is

utilised in onstrution mahinery and it is run aordin$ to the manufaturerLs

seifiations in order to redue the otential for a fire ourrin$ due to a short-iruit and

therefore the resultin$ om*ustion emissions5 Additionally, it will also *e ensured that the

mahinery is re$ularly inseted and maintained in order to redue the otential for non-

desi$n erformane of the e9uiment and therefore resultin$ hi$her diret e7haust

emissions5

8he EP' Site Environmental /ana$er will also ensure that flamma*le hemials on siteare temorarily stored in aordane with the manufaturerLs and /S+S re9uirements, in

order to redue the otential for an aidental fire ourrin$5

As a further fire reventative measure, the EP' Site Environmental /ana$er will also

enfore an indoor no-smoin$ oliy within the site *uildin$s (i5e5 offies) to redue the

otential for human-indued fires ourrin$5 Relevant emloyees will also *e trained in

the measures to *e followed in ase a fire *reas out so that it an *e ontrolled soon

after *rea-out and the ris to emloyeesL health redued5

8he EP' Site Environmental /ana$er will also reare a ro


70/261

E7ess hlorine vented to the sru**er an delete the ative sru**in$ material and

ause over-hlorination of the sru**er5 8his will result in release of to7i hlorine $as5

8herefore, ative safe$uards will *e inororated within sru**in$ mehanism to avoid

over-hlorination5

Bollowin$ ative safe$uards will *e inluded in the sru**ers to revent over-hlorination

Emer$eny and automati shut-off of hlorine uon hi$h >7idation-Redution

Potential (>RP) alarms5 >RP will tra the onentration of austi in the

sru**er li9uidM

Automati or remote austi in


71/261

@)()4) "onitorin Proram

@)()4)() "onitorin Proram for Compliance =it9 Selected "itiation "easures

'missions from #peration of 5uelConsumin 2e9icles and Plant 'uipment

Project P9ase "onitorin Activity 5reuency Responsi;ility Reportin

'onstrution

Site traffi usin$ aved roads +ailyEP' Site Environmental

/ana$er

+aily Bield HSE Reort,

3eely Environmental Insetion

'helist

Site traffi followin$ seed restritions +ailyEP' Site Environmental

/ana$er



'helist

3et suression of unaved roads +ailyEP' Site Environmental

/ana$er



'helist

/aintenane of site vehiles and

onstrution mahinery/onthly

EP' Site Environmental

/ana$er


'helist,

0uarterly Environmental Audit

Reort

>eration

Site traffi followin$ seed restritions +ailyAl Ghaith Environmental

/ana$er



'helist

+ou*le-handlin$ of vehiles minimiCed +ailyAl Ghaith Environmental

/ana$er



'helist

/aintenane of site vehiles and lant

mahinery/onthly

Al Ghaith Environmental

/ana$er


'helist,


Reort




Pa$e "#


72/261


+eommissionin$

Site traffi usin$ aved roads +aily


/ana$er



'helist

Site traffi followin$ seed restritions +aily


/ana$er



'helist

3et suression of unaved roads +aily


/ana$er



'helist




/ana$er


'helist,


Reort




Pa$e ""


73/261

'missions of %reen9ouse %ases


'onstrutionShuttin$ off safety valves on refri$erant

$as ontainin$ ylinders+aily

EP' Site

Environmental

/ana$er


3eely Environmental

Insetion 'helist

>erationGas *oiler stas emissions

- 'onentrations of '>%0uarterly

Al Ghaith

>erations /ana$er

0uarterly Environmental Reort

to EA+

+eommissionin$Shuttin$ off safety valves on refri$erant

$as ontainin$ ylinders+aily

Al Ghaith

Environmental

/ana$er


3eely Environmental

Insetion 'helist

'missions from Accidental 'vents


'onstrutionAroriate internal wirin$ utiliCed in

onstrution mahinery3eely

EP' Site

/aintenane

'oordinator

3eely Bield /aintenane

Reort



EP' Site

Environmental

/ana$er

3eely Environmental

Insetion 'helist,


Reort

Blamma*le hemials aroriately

stored+aily

EP' Site

Environmental

/ana$er


3eely Environmental

Insetion 'helist

Indoor no-smoin$ oliy enfored +aily EP' Site

Environmental

/ana$er


3eely Environmental

Insetion 'helist




Pa$e "&


74/261


Bire resonse roedure doumented

and relevant emloyees trained in it0uarterly

EP' Site

Environmental

/ana$er


Reort

>eration

'ontrolled Aess of lant

ersonnelOvisitors to site+aily

Al Ghaith

Environmental

/ana$er

6OA

Aroriate Plant +isaster /ana$ement

Plan imlemented>ne

Al Ghaith Healthand Safety

/ana$er O Al

Ghaith E7eutive

/ana$ement

Proess O >erational Proedure

+oumentation

Bire resonse roedure doumented

and relevant emloyees trained in it0uarterly

Al Ghaith

Environmental

/ana$er


Reort

+eommissionin$

Aroriate internal wirin$ utilised in

ontration mahinery3eely

EP' Site

/aintenane

'oordinator

3eely Bield /aintenane

Reort



EP' Site

Environmental

/ana$er

3eely Environmental

Insetion 'helist,


Reort

Blamma*le hemials aroriately

stored+aily

EP' Site

Environmental

/ana$er

+aily Bield HSE

preliminery ehs for caustic soda plant

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