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Citation: LIU Zhen, DAI Hui, WANG Jian-Ji. Cellulose Saccharification after Ionic Liquid Pretreatment[J]. Chinese Journal of Applied Chemistry, ;2009, 26(9): 1111-1113. shu

Cellulose Saccharification after Ionic Liquid Pretreatment

1.
College of Chemical Engineering & Pharmaceutics, Henan University of Science and Technology, Luoyang 471003

Corresponding author: LIU Zhen,
Received Date: 2 September 2008
Available Online: 5 February 2009
Fund Project: 国家“八六三”计划(2007AA05Z454) (2007AA05Z454)洛阳市科技发展计划(0801027A) (0801027A)河南科技大学人才科学研究基金(06003)资助项目 (06003)

Cellulose was pretreated with an IL,1-n-butyl-methylimidazolium chloride([C₄mim]Cl).The experimental results show that the degree of polymerization(DP) of cellulose decreased after treated with [C₄mim]Cl.With the increase of pretreatment temperature,the saccharification rate increased first and then decreased,reaching a maximal value of 11.77 g/(L·h) at 90 ℃.Extending pretreatment time or using ethanol as anti-solvent enhanced the saccharification kinetics.The saccharification rate increased by 70% as compared to that of untreated cellulose.SEM studies show that the cellulose depolymerized into fragments by [C₄mim]Cl.
- cellulose,
- ionic liquid,
- saccharification,
- pretreatment
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