期刊
BIORESOURCE TECHNOLOGY
卷 199, 期 -, 页码 13-20出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.08.121
关键词
Dilute acid; Ammonia fiber explosion; Pretreatment; Enzymatic hydrolysis; Corn stover
资金
- Technology, Information, Forcasting and Assessment Council (TIFAC), Department of Science and Technology, India
The challenge associated with cellulosic ethanol production is maximizing sugar yield at low cost. Current research is being focused to develop a pretreatment method to overcome biomass recalcitrance in an efficient way. This review is focused on two major pretreatments: dilute acid (DA) and ammonia fiber explosion (AFEX) pretreatment of corn stover and how these pretreatment cause morphological and chemical changes to corn stover in order to overcome the biomass recalcitrance. This review highlights the key differences of these two pretreatments based on compositional analysis, cellulose and its crystallinity, morphological changes, structural changes to lignin, enzymatic reactivity and enzyme adsorption onto pretreated solids and finally cellulosic ethanol production from the hydrolysate of DA and AFEX treated corn stover. Each stage of the process, AFEX pretreated corn stover was superior to DA treated corn stover. (C) 2015 Elsevier Ltd. All rights reserved.
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