ppt adam - fermentation,n background
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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