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1 - b u t a n o l

DESIGN OF PRODUCTION OF 1-BUTANOL FROM

BIOMASS (CORN COBS) 

S h o r t P e r s e n t a t i o n

Chemical Engineering

DISUSUN OLEH :

F R A N S A D A M/ 1 1 0 6 0 7 0 8 4 2

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• Will be mixed : crude oil + 30% butanol /1-butanol

• Productivity : 36,000 ton/year

• 90% purity or more.

•

Fermentation using :C. tyrobutyricum & C. acetobutylicum.

University of Indonesia

Our Product (1- butanol)

   

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B A C K G R O U ND

University of Indonesia

Indonesia merupakan negara yang konsumtif.

Dibutuhkan Energi Pengganti BBM.

Populasi penduduk di Indonesia yangtinggi.

Butanol penghasil bilangan oktan yang baik.

Yield of butanol 49%

Prices as a chemical : $3.50 per gallon ->worldwide market of 1.4 billion gallon per

year.

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•

Konsumsi BBM ± 474 million barrel pada 2014.• Meningkat 5% per tahunya.

• Permintaan 500 million barrels pada 2015.

• PT.Pertamina memproduksi 650 ribu bpd ;

dengan total 240 million per tahun.

University of IndonesiaBACKGROUND

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• Solusinya adalah dengan Biofuel yaitu butanol

University of IndonesiaBACKGROUND

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AFTERHYDROLYSIS

(CELLULOSE /HEMICELLULOSE TO

GLUCOSE)

SEEDFERMENTATION :

with medium Broth

 pH 4.2 –  4.5

Fermentation

University of Indonesia

Fermentation 1

(acidogenesis) :butyric acid, acetic

acid, lactic acid, CO2,H2

Fermentation 2(solventogenesis) :

butanol , broth

2 Fermentor DIRCR ,

(Fibrous Reactor)Yield 49% butyric acid

Yield 84% butanol

C.tyrobutyricum  C.asetobutylicum

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• A high cell density and high mass transfer rates

are desired for the fermentation.

• Immobilized-cell in spiral-wound

University of Indonesia

DEFINISI FERMENTATION 

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University of Indonesia

IN SEED FERMENTATION 

Parameters

pH

Optimal TemperatureMedium

Fermentation time

Addition

Specialize

C. tyrobutyricum

4.4

40oCBroth

36 hours

N2 

• Acidogenesis phase

(glucose to butyric

acid)

• High selectivity

Fermentation-

Hydrogenation

Parameters

pH

Optimal Temperature

Medium

Fermentation time

Addition

Specialize

C. acetobutylicum

4.6

37oC

Broth

18 hours

N2

• Solventogenesis

phase (butyric acid

to butanol)

• DIRCR and

Fermentation-

Hydrogenation

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•

Using C.tyrobutyricum• butyric acid di FBB menghasilkan yield 50% dengan

konsentrasi >43 g/L.

•Operating Conditions : – pH : 4.4

 – Temperature : 45oC

 –

Residence Time : 16.7 hours

University of Indonesia

FERMENTATION 1 

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• Using C.acetobutylicum

• Butanol di FBB menghasilkan yield 84%

• Operating Conditions :

 – pH : 4.6

 – Temperature : 45oC

 – Residence Time : 11.1 hours

University of Indonesia

FERMENTATION 2