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Citation: LUO Yingling, XUE Zhiquan, YI Weilin, ZHANG Fei, MA Jiong. Pretreatment of Biomass with Ionic Liquid to Improve Saccharification Yield[J]. Chinese Journal of Applied Chemistry, ;2014, 31(1): 54-60. doi: 10.3724/SP.J.1095.2014.30101 shu

Pretreatment of Biomass with Ionic Liquid to Improve Saccharification Yield

1.
School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen 518055, China

Corresponding author: MA Jiong,
Received Date: 26 February 2013
Available Online: 22 April 2013
Fund Project: 深圳市新兴产业重点项目资助(JC201104210118A) (JC201104210118A)

The effect of pretreating biomass(bagasse/eucalyptus) with ionic liquids(ILs) EmimAc and AmimCl has been explored by assessing the saccharification yield.Factors including temperature,time and solid-to-liquid ratio have been investigated.The results indicate that two ILs produce the best results for the two kinds of biomass at 140℃ when the solid-to-liquid ratio is 1:15.For EmimAc,the optimum pretreatment time is 12 h for eucalyptus,and 4 h for bagasse,respectively.For AmimCl,the optimum pretreatment time is 14 h for eucalyptus,and 8 h for bagasse,respectively.The saccharification yields of EminAc pretreated eucalyptus and bagasse are 13.931 and 3.886 times those of traditional methods,respectively.For AmimCl,the saccharification yields ars imoroved to 4.665 and 2.835 times,respectively.The results show that EmimAc exhibits a better pretreatment effect than AmimCl.
- ionic liquid,
- bagasse,
- eucalyptus,
- saccharification yield
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