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February 2013
COSMO ENGINEERING CO., LTD.
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• VOCs Emission Sources
• VOCs Recovery Technologies
• Gasoline Vapor Recovery Unit
VOC Recovery Unit
• Trouble of Existing WWT
• Improvement of Existing WWT System
Waste Water Treatment Facilities
Contents
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VOC Recovery Unit
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10000m3/h≦700 ppmv≦
10000m3/h≦600 ppmv≦
3000m3/h≦600 ppmv ≦
5000m3/h≦400 ppmv ≦
15000m3/h≦1400 ppmv ≦
1. Painting Related Facilities(ex: Painting Booth)
3. Printing Related Facilities(ex: Gravure Printing ) 4. Chemical Product Related Factory(ex: Drier of Resin )
6. VOC Storage Related Facilities5. Industrial Cleaning Related Facilities
2. Adhesive Related Facilities
15000m3/h≦400 ppmv≦
1000KL≦60000 ppmv≦
5m3/h≦400 ppmv≦
27000m3/h≦700 ppmv≦
or
or
or
VOC Emission Souces
Painting boothexhaust
glue
Printingsection
drysection
Washingtank
drysection
blower
Glue section
(ex: Drying Facilities of Dry Laminate )
(ex : Covered Roof Tank )
http://www.jemai.or.jp/japanese/tech/voc/pdf/tebiki_all.pdf
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5Application Range of VOC Treatment Technologies
500
1,000
10,000(1v%)
100,000(10v%)
1,000,000(100v%)
1 10 100 1,000 10,000
Flow Rate ,Nm3/min
Co
nce
ntr
atio
n,p
pm
v
PSA TSA
Absorption Direct Oxidation
Catalytic Oxidation
Emission Range from Loading Facilities
Combustion Method- Higher Operation Cost, Lower Initial CostRecovery Method – Lower Operation Cost, Higher Initial Cost
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6PSA and Absorption
Cooler
Purge Gas
Vacuum Pump
Recovery Pump
Clean Air
(Desorption)(Adsorption)
RecoveryTower
Circulating Gasoline Vapor
Gasoline
MG RichVapor
MG Vapor
Adsorption Desorption Absorption
Zeolite orSilica gel
【Adsorption】 Adsorb MG vapor from vent gas to adsorbent
【Desorption】 Regenerate the adsorbent by purge air under vacuum condition (5-100torr)
【Absorption】 Scrub MG vapor from purge gas by gasoline
PSA Adsorbers
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7VOC Recovery Unit
Target : Gasoline VaporLoading Arms : 12Capacity : 300Nm3/hRecovery rate : 95%
Operation
2004
Design Condition
CEC’s Scope of Work : Basic Design & EP
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Waste water treatment Facilities
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9Problems of Existing WWT System
Evaporation pond was covered with oily water-Restricted Evaporation-Degraded Work Environment-Fire Risk
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PlantWastewater
Slop Oil Tanks
Air
Water
CoagulantWater
Equalization Basin
Desalter Water
Oil
M
DAF Aeration Basins
Clarifier
Sludge Centrifuge
Sludge hopper
Water
Sand Filters
Crude Oil Tanks
Oil
Wastewater
Oil
Evaporation Pond
Treated water to River / Sea
Crude Oil Tanks Drain Pit
API
API
Coagulant
Oil Sludge
Refinery API SeparatorDiversion Pit
Sludge Receiving Pond
Existing Flow Diagram of WWT System
Equipment Break Down- Insufficient Oil Separation
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11Improvement of WWT System
PlantWastewater
Slop Oil Tanks
Air
Water
CoagulantWater
Equalization Basin
Desalter Water
Oil
M
DAF
Clarifier
Sludge Centrifuge
Sludge hopper
Water
Sand Filters
Crude Oil Tanks
Oil
Wastewater
Oil
Evaporation Pond
Treated water to River / Sea
Crude Oil Tanks Drain Pit
API
API
Coagulant
Oil Sludge
Refinery API SeparatorDiversion Pit
Sludge Receiving Pond
Renew Oil Skimmer
Replace Sludge Centrifuge
Broken Equipment was Replaced to High Reliability Equipment
Aeration Basins
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Evaporation Pond Sludge Receiving Pond
Coagulant
WaterTo WWT
Sludge
New Decanter
Air and Steam
To Incinerator
Evaporation Pond Sludge Recovery PlanEvaporation Pond Sludge Recovery Plan
1 Transfer Oily Water in Evaporation Pond to Sludge Receiving Pondby Vacuum Track
2 Mix Oily Water by Air and Steam3 Separate Sludge and Waste Water by the Decanter4 Retreat Separated Waste Water by WWT5 Burn Sludge by Incinerator
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13Evaporation Pond After WWT IntegratedEvaporation Pond After WWT Integrated
…2 years after system Improvement
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• Introduce VOCs Recovery Technologies
• Introduce case examples of VOCsRecovery Unit in Middle East Refinery
VOC Recovery Unit
• Introduce case that solved the existingWWT problems in collaboration with thecounterpart
Waste Water Treatment
ConclusionsConclusions
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Thank you for your attention
COSMO ENGINEERING CO.,LTD.(CEC) is one of themajor companies of COSMO OIL GROUP
Contact number : +81-3-5462-0166
E-mail address :[email protected]
Advisory section : Environment & New EnergyTechnology Development Dept.