Journal
RENEWABLE ENERGY
Volume 60, Issue -, Pages 127-136Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.renene.2013.04.012
Keywords
Biofuel; Cellulosic biomass; Enzymatic hydrolysis; Particle size; Sugar yield
Funding
- NSF [CMMI-0970112]
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Cellulosic ethanol made from cellulosic biomass is a promising alternative to petroleum-based transportation fuels. Enzymatic hydrolysis is a crucial step in cellulosic ethanol production. In order to better understand the mechanisms of enzymatic hydrolysis, relationships between cellulosic biomass particle size and enzymatic hydrolysis sugar yield have been studied extensively. However, the literature contains inconsistent reports. This paper presents an analysis of the inconsistent reports on the relationships in the literature. It discusses the differences in the reported experiments from five perspectives (biomass category, particle size definition, sugar yield definition, biomass treatment procedure, and particle size level). It also proposes future research activities that can provide further understanding of the relationships. (C) 2013 Elsevier Ltd. All rights reserved.
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