alexa Screw Extrusion Pretreatments to Enhance the Hydrolysis of Lignocellulosic Biomass
ISSN: 1948-5948

Journal of Microbial & Biochemical Technology
Open Access

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Research Article

Screw Extrusion Pretreatments to Enhance the Hydrolysis of Lignocellulosic Biomass

Zengxiang Lin1,2, Li Liu1, Rongxiu Li2 and Jiping Shi1*

1Sustainable Technology Research Center, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201203, China

2Department of Bioengineering, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, 800 Dong-Chuan Road, Shanghai 200240, China

*Corresponding Author:
Jiping Shi
Sustainable Technology Research Center
Shanghai Advanced Research Institute
Chinese Academy of Sciences
Shanghai, 201203, China
Tel: +86 21 20325163
Fax: +86 21 20325163
E-mail: [email protected]

Received date: June 09, 2012; Accepted date: September 20, 2012; Published date: September 25, 2012

Citation: Lin Z, Liu L, Li R, Shi J (2012) Screw Extrusion Pretreatments to Enhance the Hydrolysis of Lignocellulosic Biomass. J Microb Biochem Technol S12:002. doi: 10.4172/1948-5948.S12-002

Copyright: © 2012 Lin Z, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

The conversion of biomass to biofuels begins with biomass pretreatment. Most traditional pretreatment methods are chemical or physical. Each method has a specific effect on cellulose, hemicellulose, and lignin fractions. The main goal of pretreatment is to remove or weaken the tight linkages among cell wall components, thus increasing enzyme accessibility and improving the hydrolysis of cellulose. In recent studies, the use of the extrusion process has been described as a new, potentially viable development in the pretreatment of lignocellulosic materials and the hydrolysis of cellulose. The hypothesis is that extruder screw speed and barrel temperature may disturb biomass structure, thereby increasing accessibility of cellulose for hydrolysis. This manuscript aims to provide an overview of the major representative progress and development on the use of the extrusion process for biomass pretreatment and cellulose hydrolysis. Extrusion can be used as a physical pretreatment method in biofuel production.

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