期刊
BIORESOURCE TECHNOLOGY
卷 213, 期 -, 页码 350-358出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.03.059
关键词
Hydrotrope; Delignification; Pretreatment; Enzymatic hydrolysis; Lignin
资金
- Department of Science and Technology (DST-SERB), Government of India [SB/YS/LS-349/2013]
The production of cellulosic ethanol from biomass is considered as a promising alternative to fossil fuels, providing a sustainable option for fuels production in an environmentally compatible manner. The presence of lignin poses a significant challenge for obtaining biofuels and bioproducts from biomass. Part of that problem involves understanding fundamental aspects of lignin structure which can provide a pathway for the development of improved technologies for biomass conversion. Hydrotropic pretreatment has several attractive features that make it an attractive alternative for biofuel production. This review highlights the recent developments on hydrotropic pretreatment processes for lignocellulosic biomass on a molecular structure basis for recalcitrance, with emphasis on lignin concerning chemical structure, transformation and recalcitrance. The review also evaluates the hydrotropic delignification in comparison to alkaline delignification on lignin reduction and surface coverage by lignin. The effect of hydrotrope pretreatment on enzymatic saccharification has also been discussed. (C) 2016 Elsevier Ltd. All rights reserved.
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