Scale-up of biomass conversion using 1-ethyl-3-methylimidazolium acetate as the solvent

查看全文 作　　者：Ling [1]Liang;Jipeng [1]Yan;Qian [1]He;Tina [1]Luong;Todd [1]R.Pray;Blake [2]A.Simmons;Ning [1]Sun

机构地区：[1]Advanced Biofuels and Bioproducts Process Development Unit,Lawrence Berkeley National Laboratory,Emeryville,CA,94608,USA;[2]Joint BioEnergy Institute,Lawrence Berkeley National Laboratory,Emeryville,CA,94608,USA

出　　处：《Green Energy & Environment》索引2019年第4卷第4期,共7页

基　　金：the funding support from The Bioenergy Technologies Office (BETO) within the US DOE’s Office of Energy Efficiency and Renewable Energy;the funding support from the American Recovery and Reinvestment Act;supported by the US DOE’s Office of Science, Biological and Environmental Research program through contract DE-AC02-05CH11231 between Lawrence Berkeley National Laboratory and the U.S. Department of Energy 摘　　要：This scale-up study demonstrated the feasibility of an ionic liquid(IL)pretreatment process at 40 kg scale,using the IL 1-ethyl-3-methylimidazolium acetate([C2C1Im][OAc])as the solvent.The pretreatment was followed by enzymatic hydrolysis through which the process efficiency for biomass conversion to monomeric sugars was determined.The results show that 43 wt%of switchgrass was dissolved in IL after 2 h of pretreatment at 160℃ with 15 wt%solid loading.A 120 h enzymatic hydrolysis of the pretreated switchgrass results in 96%glucan and 98%xylan conversion.[C2C1Im][OAc]pretreatment has been successfully scaled up to 40 kg with improved sugar titers and yields relative to bench scale(6 kg).The mass flow of the overall process was established and the major scale-up challenges of the process were identified. 关键词：IONIC liquid 1-Ethyl-3-methylimidazolium ACETATE PRETREATMENT Scale up ENZYME

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Scale-up of biomass conversion using 1-ethyl-3-methylimidazolium acetate as the solvent

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