Neraca Massa FIXs

8/20/2019 Neraca Massa FIXs

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CO

H2

50%

BIDANG TEKNIK KIMIA

Neraca Massa

Industri Gas dan Bahan BakarSub Bab

Fuel Gas dan Gas Sintesis

(Disusun untuk memenuhi tugas mata kuliah Proses Indistri Kimia)

Oleh :

Ika Utami 0609 3040 0369

3 KC

Dosen Pembimbing : Ir. Erlinawati, M.T

Politeknik Negeri Sriwijaya Tahun 2!

NERACA MASSA GAS SINTESIS

I. Proses Steam Reformin !nt!k Gas Sintesis

a. Pem"ent!kan Gas Sintesis Menan#!n $%

1



Steam

H2O

K 2CO3

CO20 Kg udara

0 Kg CH4

20 Kg udara

20 Kg CH4

CO2

70%

K 2CO3

Recycle

50%

H2O

O2

N2

CH4 (sisa)

N2 CO2 H2O da! CH4 (sisa)

"lue #as

C2H$ 21& Kg H2

H2O 5$0 Kg H2O H2

H2O

Gam"ar &. '(ok )iaram Proses Steam Reformin

Reaksi*

(1) C2H$ ' 2H2O 2CO ' 5H2

(2) CH4 ' 2O2 CO2 ' 2H2O

(3) CO ' H2O CO2 ' H2

(4) CH4 ' 2O2 CO2 ' 2H2O

(5) CO ' 3H2 CH4 ' H2O

&. Reaksi +a#a Reformer

CO2

H2O

N2

(sisa) CH4

C2H$ 21& g COH2O 5$0 g ' H2

*tal 5+1& g

O2 21%

,dara 20 g N2 7&%

CH4 20 g

*tal 40 g

-ieta.ui/Reata! / C2H$

kmol kg

kg

30

&21 073 m*l H2O

kmol kg

kg

1+

5$0 3111 m*l

Reasi (1) C2H$ ' 2H2O 2CO ' 5H2

ulamula / 073 3111 ereasi / 073 14$ 14$ 3$5

Sisa / 2&$5 14$ 3$5 m*l

2

Re*rmer

(1) (2)

"ur!ace

(4)Strier

et.a!ati*!

React*r

(5)

COC*!6e!ter

(3)

O2

N2

Re*rmer

8s*r8er KON-9NSOR



/ 30 1+ 2+ 2 gm*l

Kg / 5337 40& 73 g

CH4 kmol kg

kg

1$

20 125 m*l:

,dara kmol kg

kg

2&

20

0$& m*l

N2 7&% ; 0$& m*l 05451 m*l

O2 21% ; 0$& m*l 0144& m*l

Reasi (2) CH4 ' 2O2 CO2 ' 2H2O

ulamula/ 125 0144& ereasi / 007245 0144& 007245 0144&

Sisa / 117755 007245 0144& m*l

/ 1$ 32 44 1+ gm*l

Kg / 1++40+ 31+7+ 2$0+2 g

Ta"e( &. Nera,a Massa +a#a Reformer

K*m*!e!

asu Keluar Ketera!ga!

m*l g Km*l g

C2H$ 073 21&

H2O 3111 5$0 2&$5 5337

CO 14$ 40&

H2 3$5 73

CH4 125 20 117755 1++40+Ke lue gas

O2 0144& 4$3$+

CO2 007245 31+7+ Ke lue gas

H2O 0144& 2$0+2 Ke lue gas

N2 05451 152$2+ 05451 152$2+ Ke lue gas

<umla. 337+ $217&&$ 3$7 $217&&$

K*m*sisi "lue #as /

CO2 kmol

kmol

&41

072450 = 100 % 373 %

H2O kmol

kmol

&41

144&0 = 100 % 747 %

N2 kmol

kmol

&41

54510 = 100 % 2+1 %

CH4 kmol

kmol

&41

177551 = 100 % $07%

CO2 31+7+ g 007245 m*l 373 %

3



H2O 2$0+2 g 0144& m*l 747 %

N2 152$2+ g 05451 m*l 2+1 %

(sisa) CH4 1++40+ g 117755 m*l $07 %

*tal 3&+&&$ g

C2H$ 21& g H2 73 g

H2O 5$0 g ' CO 40& g*tal 5+1& g H2O 5337 g

*tal 5+1& g

O2 / 21% 4$3$+ g

,dara N2 / 7&% 152$2+ g

CH4 20 g *tal 3&+&&$ g

%. Reaksi +a#a C- Conerter

H2 73 g

CO 40& g CO2

H2O 5337 g H2

*tal 5+1& g

70%

Reasi (3) / CO ' H2O CO2 ' H2

ulamula / 14$ 2&$5

ereasi / 1022 1022 1022 1022

Sisa / 043+ 2+$2+ 1022 1022 m*l

/ 2+ 1+ 44 2 gm*l

Kg / 1227 51531 44&7 2044 g

Ta"e( %. Nera,a Massa +a#a C- Conerter

K*m*!e!


Km*l g Km*l Kg

CO 14$ 40& 043+ 1227

H2O 2&$5 5337 2+$2+ 51531 CO2 1022 44&7

H2 3$5 73 4$72 &344

<umla. 347$ 5+1& 1535+1+&4

(di8ulata! 5+1&)

H2 73 g (sisa) CO 1227 g

4

CO

C*!6erter

Re*rmer

COC*!6erter



CO 40& g (sisa) H2O 51531 g

H2O 5337 g CO2 44&7 g

H2 &344 g

*tal 5+1& g *tal 5+1+&4 g

3. Proses +a#a A"sor"er

>ada a8s*r8er ditam8a.a! laruta! K 2CO3 ya!g digu!aa! u!tu me!yera CO2= >e!g*la.a!

(e!yeraa!) le8i. la!?ut ter?adi ada strier= K 2CO3 ya!g ditam8a.a! diasumsia! se?umla.2500 g=

Selai! itu masi!gmasi!g se?umla. 50% CO da! H2 ya!g di.asila! diam8il se8agai gas

si!tesis seme!tara 50 % sisa!ya dialira! me!u?u strier=CO 1227 g

H2 &344 g

*tal 10+07

CO 1227 g

H2O 51531 g

CO2 44&7 gH2 &344 g K 2CO3 2500 g

*tal 5+1+&4 g

H2O 51531 g

K 2CO3 2500 g

CO2 44&7 g *tal 30$02+ g

Ta"e( 3. Nera,a Massa +a#a A"sor"er

K*m*!e!@!ut Outut

Ketera!ga!m*l Kg m*l Kg

CO 043+ 1227 043+ 1227 50% me!u?u ur!ace

H2O 2+$2+ 51531 2+$2+ 51531

CO2 1022 44&7 1022 44&7

H2 4$72 &344 4$72 &344 50% me!u?u ur!ace

K 2CO3 1+11$ 2500 1+11$ 2500

<umla. 52+7$ 30+1+&4 52+7$ 30+1+&4

4. Proses +a#a Stri++er

5

8s*r8er



>ada strier tida ter?adi reasi ya!g me!gga!ggu esetim8a!ga! m*l r*du atauu!

reata! !amu! .a!ya ter?adi e!yeraa! CO2 da! em8ua!ga! H2O=

CO2 44&7 g

K 2CO3 2500 g

H2O 51531 g

K 2CO3 2500 gCO2 44&7 g

*tal 30$02+ g

H2O 51531 g

Ta"e( 4. Nera,a Massa +a#a Stri++er

K*m*!e!@!ut Outut

Ketera!ga!m*l Kg m*l Kg

H2O 2+$2+ 51531 51531 2+$2+ Ke Aaste

CO2 1022 44&7 1022 44&7 -isera (di8ua!g)

K 2CO3 1+11$ 2500 1+11$ 2500 Resirulasi me!u?u a8s*r8er

<umla. 52+7$ 30+1+&4 52+7$ 30+1+&4

/. Nera,a Massa +a#a !rna,e

Ketera!ga! / >ada ur!ace CO da! H2 tida iut 8ereasi !amu! .a!ya ter?adi reasi

em8aara! meta!a=

CO2

H2O N2

(sisa) CH4

CO $135 g CO $135 g

$"ur!ace

Strier



H2 4$72 g H2 4$72 g

*tal 10+07 g *tal 10+07 g

O2 21%

,dara 20 g N2 7&%

CH4 20 g *tal 40 g

CH4 kmol kg

kg

1$

20 125 m*l:

,dara kmol kg

kg

2&

20 0$& m*l

N2 7&% ; 0$& m*l 05451 m*l

O2 21% ; 0$& m*l 0144& m*l

Reasi (2) CH4 ' 2O2 CO2 ' 2H2O

ulamula/ 125 0144& ereasi / 007245 0144& 007245 0144&

Sisa / 117755 007245 0144& m*l

/ 1$ 32 44 1+ gm*l

Kg / 1++40+ 31+7+ 2$0+2 g

Ta"e( /. Nera,a Massa +a#a !rna,e

K*m*!e!


m*l g Km*l g

CH4 125 20 117755 1++40+Ke lue gas

O2 013 4$3$+

CO2 007245 31+7+ Ke lue gas

H2O 0144& 2$0+2 Ke lue gas

N2 05451 152$2+ 05451 152$2+ Ke lue gas

<umla. 1&251 3&+&&$ 1&4 3&+&&$

CO2 31+7+ g 007245 m*l 373 %

7



H2O 2$0+2 g 0144& m*l 747 %

N2 152$2+ g 05451 m*l 2+1 %

(sisa) CH4 1++40+ g 117755 m*l $07 %

*tal 3&+&&$ g

CO $135 g CO $135 g

H2 4$72 g H2 4$72 g

*tal 10+07 g *tal 10+07 g

O2 / 21% 4$3$+ g

,dara N2 / 7&% 152$2+ g

CH4 20 g

*tal 3&+&&$ g

/. Reaksi +a#a Met1anation Rea,tor

H2

CO $315 g H2O

H2 4$72 g

*tal 10&+7 g

CH4

CO kmol kg

kg

2+

315$ 0225 m*l

H2 kmol kg

kg

2

$724 233$ m*l

Reasi (5) / CO ' 3H2 CH4 ' H2O

ulamula / 0225 233$

ereasi / 0225 0$75 0225 0225

Sisa / 1$$1 0225 0225 m*l / 2+ 2 1$ 1+ gm*l

Kg / 3322 3$ 405 g

Ta"e( /. Nera,a Massa +a#a Met1anation Rea,tor

+

et.a!ati*!React*r

"ur!ace



K*m*!e!


m*l Kg m*l g

CO 021& $315

H2 233$ 4$72 1$+ 3322 Ke K*!de!s*r

CH4 022 3$ Ke ur!ace

H2O 022 405 Ke K*!de!s*r<umla. 2555 10&+7 10&72

H2 3322 g

CO $315 g H2O 405 gH2O &344 g

*tal 10&+7 g

(sisa diricycle) CH4 3$ g

6. Nera,a Massa +a#a Kon#ensor

' H2 &&%

H2O 1%

H2 3322 g A

H2O 405 g

*tal 7372 g

H2O &&% C

C

H2 1% C

' C=====================================================================================================================(1)

&

et.a!ati*!

React*r

K*!de!s*r



H2 kg

kg

3277

3223 ; 100% 450$% H2O

kg

kg

3277

054 ; 100%

54&4%

H2O (l) / 54&4% 1% ' &&% C=====================================================================(2) B;&&

H2 (l) / 450$% &&% ' 1% C=====================================================================(3) B;1

H2O (l) / 543&0$% &&% ' &+01% C

H2 (l) / 450$% &&% ' 1% C D

53&4% &+00% C 53&4% = 7372 g &+00% = C

C 2 406 k

' 2 3%6 k

Ta"e( 6. Nera,a Massa +a#aa Kon#ensor

K*m*!e! asu Keluar g g g C

H2 3322 32274 401&4

H2O 405 0032$ 0040$

<umla.7372

32$ 40$

7327

' H2 &&% 32274 g

H2O 1% 0032$ g

H2 3322 g A

H2O 405 g

*tal 7372 g C

H2O &&% C 401&4 g

H2 1% C 0040$ g

NERACA MASSA UE GAS

I. 5ater Gas Contino!s Pro,ess

'

N2 (l) &0%

O2 (l) 10%

*tal 100%

A 2 %%0 k

10

EiFuiied

C*lum!

K*!de!s*r



N2 (g) 7&%

O2 (g) 21%

N2

CO2

H2O

(sisa) C

(steam) H2O 1+0 g

N2 (l) 10% CC O2 (l) &0% C CO

H2 &1$ g

*tal 100% C H2

C 110 g

a. Proses +a#a i!ifie# Co(!mn

' N2 (l) &0%

O2 (l) 10%

*tal 100%

N2 (g) 7&% A 2 %%0 k O2 (g) 21%

*tal 220 g

C N2 (l) 10% CO2 (l) &0% C

*tal 100% ' C=====================================================================================================================(1)

N2 (l) / 7&% &0% ' 10% C==============================================================================(2) B;&

O2 (l) / 21% 10% ' &0% C==============================================================================(3) B;1

9limi!asi ersamaa! 2 da! 3

N2 (l) / 711% +10% ' &0% C

11

EiFuiiedC*lum!

Reat*r



O2 (l) / 21% 10% ' &0% C D

Sisa / $&0% +00%

$&0% = 220 g +00% =

1+&75 g

' C

C G 220 g G 1+&75 g

3025 g

Ta"e( &0. Nera,a Massa +a#a i!ifie# Co(!mn

K*m*!e!

asu Keluar

g g g C

N2 173+ 170775 3025

O2 4$2 1+&75 27225

<umla.220

1+&75 3025220

' 2 &798/ k

N2 (l) &0% &0% = 1+&75 g 170775 g

O2 (l) 10% 10% = 1+&75 g 1+&75 g

*tal 100% 1+&75 g

A 2 %%0 k

N2 (g) 7&% 7&% = 220 g 173+ gO2 (g) 21% 21% = 220 g 4$2 g

*tal 220 g

C 2 30%/ k

N2 (l) 10% C 10% = 3025 g 3025 gO2 (l) &0% C &0% = 3025 g 27225 g

*tal 100% C 3025 g

". Reaksi +a#a Reaktor

N2

CO2

H2O

(sisa) C

12

EiFuiied

C*lum!



(steam)

H2O 1+0 g ater #as de!ga! *m*sisi

C- #an $% u!tu Sy!t.esisO2 27225 g #as >la!t

N2 3025 g

*tal 21025 g

C 55 g ; 2 reasi 110 g

Reaksi & *

C (s) 5+4

12

55=

kmol kg

kg

m*l O2 =

kmol kg

kg

32

22527

0+5 m*l

/

C ' O2 CO 2

/ 45+ 0+5

8 / 0+5 0+5 0+5

s / 373 0+5 m*l / 12 32 44 gm*l

g / 44+ 374 g

Reaksi % *

H2O =

kmol kg

kg

1+

1+0 1000 m*l C (s)

5+4

12

55=

kmol kg

kg m*l

C(s) ' H2O CO ' H2

m / 45+ 1000

8 / 45+ 45+ 45+ 45+

s / 542 45+ 45+ m*l

/ 12 1+ 2+ 2 gm*l

Ig / &7$ 12+24 &1$ g

Ta"e( &&. Nera,a Massa +a#a Reaktor

Reasi e K*m*!e!asu Keluar

Ketera!ga!Km*l g Km*l g

1 C 45+ 55 373 44+ Ke lue gas

13

Reat*r



O2 0+5 27225

CO2 0+5 374 Ke lue gas

2

C 45+ 55 3$5

H2O 1000 1+0 542 &7$ Ke lue gas

CO 45+ 12+24

H2 45+ &1$

N2 010+ 3025 010+ 3025 <umla. 2011+ 32025 22&1+ 320225

N2 3025 g

CO2 374 g

H2O &7$ g(sisa) C 44+ g

*tal 1+2+25 g

(steam)

H2O 1+0 g CO 12+24 g

H2 &1$ gO2 27225 g *tal 1374 g

N2 3025 g

*tal 21025 g

C 110 g

14

Reat*r



15

Neraca Massa FIXs

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