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Enhanced saccharification of lignocellulosic biomass with1-allyl-3-methylimidazolium chloride(Amim Cl) pretreatment

Enhanced saccharification of lignocellulosic biomass with1-allyl-3-methylimidazolium chloride(Amim Cl) pretreatment

ISSN:1001-8417
2014年第25卷第11期
Original articles
Jian-Fei Liua, Yan Caob, Mao-Hua Yanga, Xue-Jing Wangb, Hui-Quan Lib, Jian-Min Xinga Jian-Fei Liua, Yan Caob, Mao-Hua Yanga, Xue-Jing Wangb, Hui-Quan Lib, Jian-Min Xinga
a National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;b Key Laboratory of Green Process Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China a National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; b Key Laboratory of Green Process Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China

A simple and efficient method of enhancing biomass saccharification by microwave-assisted pretreatment with dimethyl sulfoxide/1-allyl-3-methylimidazolium chloride is proposed. Softwood(pine wood(PW)), hardwoods(poplar wood, catalpa bungi, and Chinese parasol), and agricultural wastes(rice straw, wheat straw, and corn stover(CS)) were exploited. Results showed that the best pretreatment effect was in PW with 54.3% and 31.7% dissolution and extraction ratios, respectively. The crystal form of cellulose in PW extract transformed from I to II, and the contended cellulose ratio and glucose conversion ratio reached 85.1% and 85.4%, respectively. CS after steam explosion achieved a similar pretreating effect as PW, with its cellulose hydrolysis ratio reaching as high as 91.5% after IL pretreatment.

A simple and efficient method of enhancing biomass saccharification by microwave-assisted pretreatment with dimethyl sulfoxide/1-allyl-3-methylimidazolium chloride is proposed. Softwood(pine wood(PW)), hardwoods(poplar wood, catalpa bungi, and Chinese parasol), and agricultural wastes(rice straw, wheat straw, and corn stover(CS)) were exploited. Results showed that the best pretreatment effect was in PW with 54.3% and 31.7% dissolution and extraction ratios, respectively. The crystal form of cellulose in PW extract transformed from I to II, and the contended cellulose ratio and glucose conversion ratio reached 85.1% and 85.4%, respectively. CS after steam explosion achieved a similar pretreating effect as PW, with its cellulose hydrolysis ratio reaching as high as 91.5% after IL pretreatment.

关键词: 木质纤维素甲基咪唑预处理氯化物烯丙基生物质糖化Cl
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ISSN:1001-8417
2014年第25卷第11期
Original articles

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