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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제23권 제8호
- 발행연도
- 2013.1
- 수록면
- 1,092 - 1,098 (7page)
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초록· 키워드
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Cassava constitutes an abundant substrate in tropical regions. The production of butanol in ABE fermentation by Clostridium beijerinckii BA101 using cassava flour (CF) was scaled-up to bioreactor level (5 L). Optimized fermentation conditions were applied; that is, 40oC, 60 g/l CF, and enzymatic pretreatment of the substrate. The batch fermentation profile presented an acidogenic phase for the first 24 h and a solventogenic phase afterwards. An average of 37.01 g/l ABE was produced after 83 h, with a productivity of 0.446 g/l/h. Butanol production was 25.71 g/l with a productivity of 0.310 g/l/h, high or similar to analogous batch processes described for other substrates. Solvent separation by different combinations of fractioned and azeotropic distillation and liquid-liquid separation were assessed to evaluate energetic and economic costs in downstream processing. Results suggest that the use of cassava as a substrate in ABE fermentation could be a cost-effective way of producing butanol in tropical regions.
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참고문헌 (21)
참고문헌 신청
Annous BA / 1991 / Isolation and characterization of Clostridium acetobutylicum mutants with enhanced amylolytic activity / Appl. Environ. Microbiol 57 : 2544 ~ 2548
Ezeji T / 2004 / Acetone butanol ethanol (ABE) production from concentrated substrate: reduction in substrate inhibition by fed-batch technique and product inhibition by gas
Ezeji T / 2007 / Butanol production from agricultural residues: impact of degradation products on Clostridium beijerinckii growth and butanol fermentation / Biotechnol. Bioen
Formanek J / 1997 / Enhanced butanol production by Clostridium beijerinckii BA101 grown in semi-defined P2 medium containing 6 percent maltodextrin or glucose / Appl. Environ
Friedl A / 1991 / Continuous acetonebutanol- ethanol (ABE) fermentation using immobilized cells of Clostridium acetobutylicum in a packed bed reactor and integration with pro
Ezeji T / 2004 / Acetone butanol ethanol (ABE) production from concentrated substrate: reduction in substrate inhibition by fed-batch technique and product inhibition by gas
Ezeji T / 2007 / Butanol production from agricultural residues: impact of degradation products on Clostridium beijerinckii growth and butanol fermentation / Biotechnol. Bioen
Formanek J / 1997 / Enhanced butanol production by Clostridium beijerinckii BA101 grown in semi-defined P2 medium containing 6 percent maltodextrin or glucose / Appl. Environ
Friedl A / 1991 / Continuous acetonebutanol- ethanol (ABE) fermentation using immobilized cells of Clostridium acetobutylicum in a packed bed reactor and integration with pro
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