title: Biobutanol from sweet sorghum bagasse hydrolysate by a hybrid pervaporation process.
abstract: In this study, the pervaporation membrane was used not only for the detoxification of sweet sorghum bagasse (SSB) hydrolysate, but also for butanol separation from its fermentation broth. As a result of detoxification, about 94.5% furfural was reduced by the pervaporation method, and 138.25 g/L furfural was obtained in the permeate side. 87.5% phenolic compounds were degradated by further laccase detoxification. As for fermentation part, 12.3±0.1 g/L butanol, 6.1±0.05 g/L acetone and 2.5±0.07 g/L ethanol were obtained. And after 2h of pervaporation separation, 201.9 g/L butanol, 76.2g/L acetone and traces of ethanol were obtained in the permeate. The hybrid pervaporation process shows promising for the industrial production of biofuel butanol and biochemical furfural.
authors.affiliation: Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China.
authors.forename: Di
authors.initials: D
authors.lastname: Cai
authors.forename: Tao
authors.initials: T
authors.lastname: Zhang
authors.forename: Jia
authors.initials: J
authors.lastname: Zheng
authors.forename: Zhen
authors.initials: Z
authors.lastname: Chang
authors.forename: Zheng
authors.initials: Z
authors.lastname: Wang
authors.forename: Pei-yong
authors.initials: PY
authors.lastname: Qin
authors.forename: Tian-wei
authors.initials: TW
authors.lastname: Tan
mesh_terms: D019342:Acetic Acid / Q000378:metabolism; D056804:Biofuels; D000440:Butanols / Q000302:isolation & purification / Q000378:metabolism*; D002482:Cellulose / Q000378:metabolism*; D002681:China; D002851:Chromatography, High Pressure Liquid; D046969:Clostridium acetobutylicum / Q000378:metabolism*; D005285:Fermentation; D006868:Hydrolysis; D042845:Laccase / Q000378:metabolism; D008567:Membranes, Artificial; D010636:Phenols / Q000378:metabolism; D045868:Sorghum / Q000378:metabolism*; D014835:Volatilization
chemical_list: D056804:Biofuels; D000440:Butanols; D008567:Membranes, Artificial; D010636:Phenols; D002482:Cellulose; C027433:bagasse; D042845:Laccase; D019342:Acetic Acid
keywords: Acetone–butanol–ethanol fermentation; Clostridium acetobutylicum; Detoxification; Pervaporation