Efficient butanol recovery from acetone-butanol-ethanol fermentation cultures grown on sweet sorghum juice by pervaporation using silicalite-1 membrane.
We investigated butanol recovery by pervaporation separation, using a silicalite-1 membrane, from batch cultures of butanol-producing Clostridium beijerinckii SBP2 grown on sweet sorghum juice as a fermentation medium. The pervaporation system yielded 73% (w/v) butanol from intact feed cultures containing 1% (w/v) butanol, and had a butanol permeation flux of 11 g m(-2) h(-1). Upon neutralization and activated charcoal treatment of the feed cultures, butanol yield and total flux increased to 82% (w/v) and 40 g m(-2) h(-1), respectively. This system is applicable to refining processes for practical biobutanol production from a promising energy crop, sweet sorghum.
['Kanemoto|Miho|M|', 'Negishi|Hideyuki|H|', 'Sakaki|Keiji|K|', 'Ikegami|Toru|T|', 'Chohnan|Shigeru|S|', 'Nitta|Youji|Y|', 'Kurusu|Yasurou|Y|', 'Ohta|Hiroyuki|H|']
D020001:1-Butanol D000096:Acetone D061249:Batch Cell Culture Techniques D002606:Charcoal D046970:Clostridium beijerinckii D000431:Ethanol D005285:Fermentation D008567:Membranes, Artificial D045868:Sorghum D014835:Volatilization
Sweet sorghum Pervaporation Membrane Separation Clostridium beijerinckii Biobutanol