laporan stirred tank reactor

8/18/2019 Laporan Stirred Tank Reactor

1/20

LABORATORIUM PILOT PLANT

SEMESTER GENAP TAHUN AJARAN 2015/2016

MODUL : Stirred Tank Reactor (Perpindahan Panas Pada

Tangki Berpengaduk

PEMBIMBING : Ir. Umar Khaam

O!"h

Kelopok : II

Naa : 1. A##$%a N&'$(a N)r$%ma 1*1+2+005

2. ,a"%ar$a R$- K$#a#($ 1*1+2+00

Kelas : *A T"#$ K$m$a Pr&)%$ B"r%$h

PRO!RAM STU"I "IPLOMA I# T$KNIK KIMIA

JURUSAN TEKNIK KIMIA

POLITEKNIK NEGERI BANDUNG

2015

Ta#a! Pra($)m : 0 O(&3"r 2015

Ta#a! La4&ra# : 15 O(&3"r 2015


2/20

I% Tu&uan Praktiku

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a# ("r&! a!am "!&m4& 4r&%"% )#%("a %(a(".

II% Landasan Teori

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3/20

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( ) UA0(TTG;0H

0(M;

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021 =−==

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0(M; −=

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−=

−−

............................................................................................2

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4/20

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K a 3T

D$ma#a : a a# 3 %(a#(a "m4$r$


5/20

Konduksi Keadaan Steady

K)%$ a!am "aaa# steady a4a( $()!$% :

0>

0T

. A

−= a(a)

0>.A

0T −=

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FT.

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A

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4aa %)h) $().

S"h$#a a4a( $()!$%a# a!am 3"#() :

R

FT =

KON"UKSI KALOR K$A"AAN TAK STEADY

Persaaan konduksi satu diensi

0>>>

TT

>

T

∂∂∂∂

+∂∂

)ika kalor keluar lepeng pada >> + tentulah *

0>90(>>

TT

>

T.A8

∂∂∂∂

+∂∂

−

K"!"3$ha# ma%)a# a!&r ("rhaa4 a!&r a# "!)ar7 a# m"r)4aa# 4"#)m4)a# 4aa !a4$%a#

> aa!ah :


6/20

>(>

T.A>9(

>>

TT

>

T.A8(

>

T.A

2

2

∂∂

=∂∂∂∂

+∂∂

+∂∂

−

Stirred Tank Reactor (STR+Stired Tank 8(a#$ 3"r4"#a)9 a!am $#)%(r$ $m$a $)#aa# )#() r"a%$r"a%$

batch


7/20

Pr&%"% 4"r4$#aha# 4a#a% a!am (a#$ 3"r4"#a) a4a( $&!a# %"3aa$ 4r&%"%

non isothermal 7 unsteady state ar"#a a!$ra# 4a#a% a# %)h) 3"r)3ah ("rhaa4 ?a().

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+. S)h) !)$a 4"ma#a% a# ma%) a!am a;"( %(a#

5. P"#a)a# m"#ha%$!a# %)h) ;a$ra# a# m"ra(a.

6. T$a ("ra$ 4"r)3aha# a%a 4ar%$a!.

. Pa#a% a# h$!a# a4a( $a3a$a#

Uraian Proses Stirred Tank Reactor *

K"ra# )ara ("a# $3)a )#() m"#h$)4a# (r&! 4a#"! a# m"#"raa# a()4

4#")ma($. K"m)$a# "ra# a$r $3)a a# a$r $4&m4aa# " a!am a"(. A$r aa# m"m"#)h$

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ah)!)9. A$r a# 4a#a% ma%) " %"4ara(&r $ma#a a% a# ("r3"#() aa# m"#a!$r " a(a%

%"a#a# ;a$ra##a aa# "m3a!$ " a!am a"( a# 3"r%$r)!a%$. A$r 4a#a% $a!am a"( aa#

m"ma#a%a# ;a$ra# $a!am r"a(&r %am4a$ %)h) m"#;a4a$ set point 80&,9. Ga% ar$ %"4ara(&r

aa# ("r"3a $a!am steam trap %"h$#a ("r"#%a%$ m"#a$ ;a$ra# a# $ "m3a!$a# "

(a#$ 4"#am4)#.

III% Alat dan Bahan

• Ta#$ 3"r4"#a) / )#$( %($rr" (a# r"a;(&r

• P,T 10 Th"rm&;&)4!"• A$r 3"r%$h 5L


8/20

Aliran air mas

Aliran uap

Uap bebas a

Aliran steam

Aliran air pendin

Aliran air pendin

I#% "iagra Alir Proses

Uraian Proses Stirred Tank Reactor *

K"ra# )ara ("a# $3)a )#() m"#h$)4a# (r&! 4a#"! a# m"#"raa#

a()4 4#")ma($. K"m)$a# "ra# a$r $3)a a# a$r $4&m4aa# " a!am a"(. A$r aa#

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4a#a% $a!am a"( aa# m"ma#a%a# ;a$ra# $a!am r"a(&r %am4a$ %)h) m"#;a4a$ set

Steam ex ande

Aliran

pendin

Aliran

pendin

Aliran s

Uap be

Aliran

Aliran

Air masuk


9/20

Pengamatan

Buka katup udara tekan

Hidupkan saklar utama (main switch)

pkan peralatan PCT 1 untuk pengukuran T!

ma air "ang menu#u ke pengembun dari tangki utama

n p$mpa sirkulasi air dalam #aket (t$mb$l hi#au)

sampai hargan"a naik mecapai ' #ika air dalam tangki suhun"a *$C tekan t$mb$l kuning samp

mpai P, berwarna merahmatikan semua t$mb$l kuning dan hi#au

mpai suhu stabil pada &$C !$C' siapkan air 1-

Tentukan kecepatan putar (.P/)

/atikan pengaduk

Pastikan suhu stabil' pengaduk dalam keadaan

/asukkan air dengan menggunakan p$mpa li

Catat data t' T1 dan T! setiap ! menit

Hentikan pengambilan data #ika nilai T10T

Ukur ketinggian air dari dasar tangki

hidupkan st$pwatch secara bersamaan dengan pe

Atur kecepatan pengaduk untuk perc$baan beri

$s$ngkan isi reakt$r2tangki

Stirred tank react$r

Persiapan

point 80&,9. Ga% ar$ %"4ara(&r aa# ("r"3a $a!am steam trap %"h$#a ("r"#%a%$

m"#a$ ;a$ra# a# $ "m3a!$a# " (a#$ 4"#am4)#.

#% Langkah Ker&a


10/20

#I% "ata Pengaatan

Run . - (/0 rp+

1aktu

(enit+

Reaktor (o2+ 2

(kal3go2+

Popa (,ar+ )aket (o2+

t- t4 Suction "ischarge T- T4

0 6 170 27 17 1*172 1176

2 170 *75 27+ 1*67+ 12671

+ 0 170 *75 275 1*67+ 1276

6 1 170 *76 27 1*7 1*072

0 2 170 *7 27 1+27+ 1*172

10 0 1 170 *75 276 1*67+ 127

12 0 170 *75 276 1*67+ 127

1+ 170 *75 276 1*67+ 127

1aktu

(enit+

K

(menit/oC) U (kal/m2oC) h

rad.kg¿

2

¿

¿

0 0 0 0

2 1.21*+ 1+2+5. 2.1+66

+ 1.020 556.5 25.*2

6 1.0506+ +00.56* 25.20*+

1.0+6 *+*2.*06 26.0+2110 1.01*6 101.06 2+.25*01

12 1.011+06 **.*06 2+.216+++

1+ 1 0 0

Ra(ara(a 1.0+ *11.0 26.6*


11/20

! 3 + 4 1 1! 13 1+ 14 ! !!

!

3

+

4

1

1!

131+

14

!

Grafk antara waktu Vs ∆T dan ∆t (90rpm)

5T

5t!

waktu (menit)

suhu (o2+

Run . 4 (50 rp+

1aktu

(enit+

Reaktor (o2+ 2

(kal3go2+

Popa (,ar+ )aket (o2+

t- t4 Suction "ischarge T- T4

0 +6 56 170 176 07 11*7* 67

2 52 60 170 17 170 1176 76

+ 5 6* 170 270 172 12072 10+7

6 62 6 170 27* 175 12+7 1117+

6 2 170 276 176 127 11*7*

10 6 * 170 27 17 127 1167

12 6 1 170 *70 276 1**75 127

1+ 6 1 170 17* 171 1071 1027*

16 6 0 170 171 170 1027* 76

1 6 0 170 171 170 1027* 76

20 6 0 170 171 170 1027* 76

22 0 0 170 171 07 1027* 67

1aktu K

(menit/oC) U (kal/m2oC) h

rad .kg¿

2

¿

¿

0 0 0 0


12/20

2 17+626* 2657+1 +571265

+ 17+62 22*75* +57611

6 172102 150 +*716

171+262 1*0*676 +072+*+

10 1.06155 6*572+ **711*12

12 1701261 **72*5 17015+1+ 17021* 20*6765 257+0+

16 170102+6 +276+1 170*+5

1 1700+56 **72*5* 157265

20 1700+1*5 **72*5* 157

22 17002+ **72*5* 167*51

Ra(ara(a 0.2+ 62.5* 2+.201+

! 3 + 4 1 1! 13

!

3

+

4

1

1!

13

Grafk antara waktu Vs ∆T dan ∆t (80rpm)

5T

5t!

waktu (menit)

suhu (oC)

#II% Perhitungan

"iketahui *

L 07105 m

D 171+ m


13/20

A= 1

4 π d

2=

1

4 x3,14 x (1,14 )2=1,02m2

5liter

menit ≈ 75

kg

menit 5000 /m"#$(

N 0

rad

min

Run - (50 rp+

P"#"#()a# hara K a# &"$%$"# 4"r4$#aha# 4a#a% 8U9

1. U#() ( + m"#$(

M; . , 8T1 T29

75000

gr

menit .1

kal

g℃. (120,2−104,8 )℃=¿

1155000 a!/m"#$(

ln

T 1−t 1

T 1−t 2

=WC

MC . [ k 1−1k

1 ] . θ

ln 65−4865−50

=

1.105 gr

menit .1

kal

gr℃

1155000 kal

menit

.[ k 1−1

k 1 ] .4menit

1 17+

k 1=eu A /w .c

17+ eu .1,02/10

5.1

L# 17+ 070000102 . U

U 22*75*

• P"#"#()a# hara K a# &"$%$"# 4"r4$#aha# 4a#a% 8U9

U#() ( 2 m"#$(


14/20

h1 D1

k 1=a [ l

2 N ρ

μ ]1

3 [ Q μ K ]1

3 [ μ μ w ]0,14

D$ma#a : μ

μ w=1

U. A. (

22*.5* > 1702 > +

11600

h1.1,14

1,48=( (0,105m )

2.80

rad

min.1

kg

m3

0,01C )

1

3

.( 117600.0,01C1,488 )1

3 (1 )0,14

h$ +5.611 rad6kg2m!

#III% Pe,ahasan


15/20

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a!$ra#7 a!$ra# 4"r(ama aa# $)#aa# %"3aa$ 4"#$#$# a# 3"r)4a %h&?"r a# a!$ra# ")a

aa# $)#aa# %"3aa$ ;am4)ra# %("am %"3aa$ m"$a 4"ma#a% a# aa# $4&m4aa#

%"h$#a ma%) " a!am a"(7 4r&%"% 4"ma#a%a# $#$ m"r)4aa# ;$r;)!a($ 4r&;"%% %"h$#a

4"ma#a% a# "!)ar ar$ a"( aa# $%$r)!a%$a# "m3a!$ )#() ma%) " a!am a"(. Paa

a!a( STR $#$ $!"#a4$ a;"( a# 3"r)#%$ %"3aa$ m"$a 4"ma#a% a# $ha%$!a# ar$ %("am

a# "m)$a# %";ara )%$ m"#(ra#%"r 4a#a% " a!am r"a(&r a# 3"r$%$ )m4a#.

U#() m"#a(ah)$ %"3"ra4a 3"%ar 4a#a% a# $4$#aha# ar$ a$r a!am a"( a(a) a#

$%"ra4 &!"h ;a$ra# 8a$r9 a!am (a#$ maa $)#aa# 4aram"("r %)h). S)h) a$r a!am (a#$

$))r7 3"$() )a %)h) a$r 4"ma#a% ma%) a# "!)ar a"(. P"r3"aa# %)h) a#(ara %)h) a$r

a!am (a#$ a# a$r ma%) a"( 8T1(9 $4!&(a# ("rhaa4 ?a() %ama4$ ?a() ("r("#() a#

3"a %)h)#a m"#"a($ #&! a(a) %ama "#a# #&!.

Dar$ ha%$! 4ra($)m $"(ah)$ 4"#ar)h ";"4a(a# 4)(ara# 4"#a) ("rhaa4 !ama#a

4"r4$#aha# 4a#a% a# ("ra$ a$() %"ma$# ;"4a( 4"#)a# a# $!a)a# maa aa#

%"ma$# ;"4a( 4)!a 4"r4$#aha# 4a#a% a# ("ra$. Paa %aa( ";"4a(a# 4)(ar 4"#a)a# a#

$)#aa# aa!ah 0 r4m7 ?a() a# $3)()ha# )#() m"#;a4a$ "aaa# $ma#a %)h)


16/20

"!)ara# a# %)h) ma%)a# m"m$!$$ #$!a$ a# %ama aa!ah %"$(ar 22 m"#$(7 %"a#a# 4aa

%aa( ";"4a(a# 4)(ar 4"#a)a# a# $)#aa# 0 r4m ha#a m"m3)()ha# ?a() 1+ m"#$(

)#() m"#;a4a$ "aaa# ($a ("ra$ 4"r4$#aha# 4a#a% !a$. Ha! $#$ $%"3a3a# ar"#a "#a#

aa#a 4"#a)a# a# %"ma$# ;"4a( maa $)%$ 4"r4$#aha# 4a#a% 4)# aa# %"ma$# ;"4a(

m"ra(a a# %)ah ("#() !a)#a 4)# aa# %"ma$# ;"4a(.

Nam)# ";"4a(a# 4"#)a# a# %"ma$# 3"%ar )a m"#"3a3a# a$(a(&r 4r&4"!!"r

3$a%a#a m"#&r -a( ;a$r " 3a?ah %am4a$ "a%ar (a#$7 $ ma#a ar)% $() !a!) m"#"3ar

%";ara ra$a! " %"a!a arah m"#)) $#$#7 !a!) m"#a!$r !a$ " a(a% $%"4a#a# $#$# a#

"m3a!$ $$%a4 &!"h 4r&4"!!"r ar$ a(a%. M"m3)a( '&!)m" a$r a# 3"raa $ a!am (a#$ ("r!$ha(

%"4"r($ 3"r)ra#7 4aaha! ar"#a 4"#ar)h ar$ ";"4a(a# 4)(ara# m&(&r 4"#a) a#

m"#"3a3a# a$r ("r%"3)( ("rh$%a4.

I6% Kesipulan

• Pr&%"% 4"r4$aha# 4a#a% STR ("ra$ %";ara )#%("a %(a(" 8($a ma#(a49 a# #

$%&(h"rma!.

• S"ma$# 3"%ar ";"4a(a# 4"#a)a# maa ?a() a# $3)()ha# )#()

m"#;a4a$ %"( 4&$#( %"ma$# ;"4a(7 &"$%$"# 4"r4$#aha# 4a#a% %"ma$# 3"%ar

%"h$#a 4r&%"% 4"r4$#aha# 4a#a% %"ma$# 3a$.

•P"#a)a# a4a( m"m4"r3a%ar !)a% (a 4"r4$#aha# 4a#a% 4aa ;a$ra#

• K&"$%$"# 4$#ah 4a#a%7 &"$%$"# $!m 4"r4$#aha# 4a#a% ha%$! 4ra($)m aa!ah

%"3aa$ 3"r$)(:

N (rpm) K

(menit/

o

C) U (

kal

/m2o

C) h

rad . kg¿

2

¿

¿

0 0.2+ 62.5* 2+.201+

0 1.0+ *11.0 26.6*


17/20

"a7tar Pustaka

,&)!% J M:R$;har% J @.10.,h"m$;a! E#$#""r$# &! 17276.P"ram Pr"%%

1.P"rr=% ,h"m$;a! E#$#""r$# Ha#%3&& 6(h

E$($& M;Gra?H$!!

M;,a3" Sm$(h Q Harr$&(.1*.U#$( O4"ra($ & ,h"m.E#.M;Gra?H$!!

h((4://???.a#"!$r".;&m/a5/4r&;"%%;(r&!/%($rr".h(m! $a%"% (a#a! 12 O(&3"r

2015

Lapiran

Tugas Men&a8a, Pertan9aan "ala Praktiku *

-% Apa pengaruh dari kecepatan putaran otor pengaduk dengan &ulah air 9ang

,erkurang di dala reaktor tangki ,erpengaduk (strirrer tank reactor+:

Ja?a3 :Kar"#a 4"#ar)h ar$ ";"4a(a# 4)(ara# 8r4m9 "#a# ";"4a(a# 4)(ara# a# %"ma$#

3"%ar maa a$(a(&r 4r&4"!!"r 3$a%a#a m"#&r -a( ;a$r " 3a?ah %am4a$ "a%ar (a#$7

$ ma#a ar)% $() !a!) m"#"3ar %";ara ra$a! " %"a!a arah m"#)) $#$#7 !a!) m"#a!$r

!a$ " a(a% $%"4a#a# $#$# a# "m3a!$ $$%a4 &!"h 4r&4"!!"r ar$ a(a%. M"m3)a(

'&!)m" a$r a# 3"raa $ a!am (a#$ ("r!$ha( %"4"r($ 3"r)ra#7 4aaha! ar"#a 4"#ar)h

ar$ ";"4a(a# 4)(ara# m&(&r 4"#a) a# m"#"3a3a# a$r ("r%"3)( ("rh$%a4.

4% Pada praktiku tangki ,erpengaduk katup apa sa&a 9ang harus dala keadaan

tertutup aupun ter,uka dala keadaan aku dan atospherik:

http://www.angelfire.com/ak5/process_control/stirred.htmlhttp://www.angelfire.com/ak5/process_control/stirred.html


18/20

Ja?a3 :

B"ra%ara# %"ma am3ar ar$ (a#$ 3"r4"#a) :

a9 K"aaa# a)m

J$a $!$ha( ar$ %"ma am3ar7 a()4 a# har)% a!am "aaa# ("r3)a aa!ah

a()4 1H a# 2H ar"#a ("r!$ha( arah a!$ra# 'a)m#a. S"a#a# a()4 a# har)%

a!am "aaa# ("r()()4 aar $%$ 'a)m#a 3"ra!a# "#a# 3a$ aa!ah a()4

1B a# 2B.

39 K"aaa# A(m&%4h"r$J$a $!$ha( ar$ %"ma am3ar7 a()4 a# har)% a!am "aaa# ("r3)a aa!ah

a()4 1B a# 2B. S"a#a# a()4 a# har)% a!am "aaa# ("r()()4 aa!ah a()4

1H a# 2H ar"#a $a )a a()4 ("r%"3)( ("r3)a maa $%$ 'a)m )a aa#("r!$3a( a!am 4r&%"%.

;% Bagaiana cara untuk engu,ah dari tekanan terukur en&adi tekanan a,solut:

Ja?a3 :

R)m)% Pa3%&!)( Pa(m&%"r P("r))r Pa3%&!)( T"a#a# a3%&!)( 8T&(a!9

Pa(m&%"r T"a#a# K&(a Ba#)#

P("r))r T"a#a# a# ("r3a;a 4aa a!a( ))r

U#() 4"#))ra# ("a#a# a(m&%"r a# m"#a;) 4aa K&(a Ba#)# 4"r!) $!a)a#

'"r%$ ("r!"3$h ah)!)7 4"#'"r%$a##a aa!ah :1 a(m 6 ;mHT"a#a# a(m&%"r a# ("ra4a( $ K&(a Ba#)# %"3"%ar 6 ;mH.

Pa(m&%"r 6 ;mH 1atm

76 cm!g

Kiri Kanan

4

B

4

'

-

B

-

'

#aku


19/20

Pa(m&%"r 0.0+*6+ a(m 1,01325

¿̄

1atm¿

Pa(m&%"r 0.12+*+21 3ar 07 3ar

M"r)3ah ("a#a# %("am a# ("r))r " a!am ("a#a# a3%&!)( :

No% Kecepatan Putaran (rp+ Pstea (,ar+

Pa,solut (,ar+

Perhitunga

n'asil

1.0 2 07 2 27

2.0

175 07 175 27+

1 07 1 17

No%

Kecepatan

Putaran

(rp+

1aktu

(enit+

Ppopa Pa,solut

S "Perhitungan 'asil

S " S "

1.

0 0 27 17 07 27 07 17

2 *75 27+ 07 *75 07 27+

+ *75 275 07 *75 07 275

6 *76 27 07 *76 07 27

*7 27 07 *7 07 27

10 *75 276 07 *75 07 27612 *75 276 07 *75 07 276

1+ *75 276 07 *75 07 276

9.

0 0 176 07 07 176 07 0.

2 17 170 07 17 07 170

+ 270 172 07 270 07 172

6 27* 175 07 27* 07 175

276 176 07 276 07 176

10 27 17 07 27 07 17

12 *70 276 07 *70 07 276

1+ 17* 171 07 17* 07 17116 171 170 07 171 07 170

1 171 170 07 171 07 170

20 171 170 07 171 07 170

22 171 07 07 171 07 07


20/20

laporan stirred tank reactor

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