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Advances in ethanol production

Paper ID Volume ID Publish Year Pages File Format Full-Text
15868 42475 2011 8 PDF Available
Title
Advances in ethanol production
Abstract

Barriers to the commercialization of lignocellulosic ethanol include the development of more robust biocatalysts, reduction of cellulase costs, and high capital cost associated with a complex process. Improvements have been made in all areas during the past two years. Oxidoreductases, transporters, and regulators have been identified that can increase the tolerance of biocatalysts to inhibitors formed during pretreatment. Biocatalysts are being developed that grow under conditions that are optimal for cellulase activity and others have been engineered to produce glycoside hydrolases. Ethanol yields resulting from most current process configurations are similar, approximately 0.21 g ethanol/g dry cellulosic feedstock. Potentially, this can be increased to at least 0.27 g ethanol/g biomass (83 gal/ton) using simpler processes.

► Improved biocatalysts enable process simplification for cellulosic ethanol. ► Dual use of water and chemicals for process and for crops can reduce costs. ► Cellulase production by biocatalysts can reduce external cellulase requirements.

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Publisher
Database: Elsevier - ScienceDirect
Journal: Current Opinion in Biotechnology - Volume 22, Issue 3, June 2011, Pages 312–319
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
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Price was $35.95
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