Citation: Jian-Fei Liu, Yan Cao, Mao-Hua Yang, Xue-Jing Wang, Hui-Quan Li, Jian-Min Xing. Enhanced saccharification of lignocellulosic biomass with 1-allyl-3-methylimidazolium chloride (AmimCl) pretreatment[J]. Chinese Chemical Letters, ;2014, 25(11): 1485-1488. doi: 10.1016/j.cclet.2014.06.001 shu

Enhanced saccharification of lignocellulosic biomass with 1-allyl-3-methylimidazolium chloride (AmimCl) pretreatment

1.
a National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;
2.
b Key Laboratory of Green Process Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China

Corresponding author: Hui-Quan Li, Jian-Min Xing,
Received Date: 18 February 2014
Available Online: 28 May 2014
Fund Project: This work was supported by the National Natural Science Foundation of China (No. 21006118) (No. 21006118)

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.
- Ionic liquid,
- Lignocellulosic biomass,
- Pretreatment,
- Saccharification
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