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Progress in Chemistry 2007, Vol. 19 Issue (0708): 1147-1152 Previous Articles   Next Articles

• Special issues •

Enhancing Hydrolysis Efficiency of Cellulase and Reducing the Cost of Saccharification

Su Donghai1;Sun Junshe2**   

  1. 1.Beijing Electronic Science and Technology Vocational College,Beijing 100029,China;

    2.College of Food Science and Nutritional Engineering,China Agriculture University,Beijing 100083,China

  • Received: Revised: Online: Published:
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In China the biomass that could be used to produce ethanol in large quantity is lignocellulose. The main challenges of ethanol production from lignocellulosic materials are the saccharification process by which lignocellulosic was transformed into sugar. The methods of enhancing hydrolysis efficiency of cellulase are as follows: (1) the lignocellulose is pretreated, (2) the optimal condition of cellulase hydrolysis is studied, (3) cellulase recycle use is conducted, (4) the reasonable fermentation process is adopted, and so on. The structures of cellulose and hydrolysis way of cellulase are analyzed. The progress in research on a few focused pretreatment and the effect of different pretreatment method on hydrolysis efficiency are mainly reviewed in this paper, at the same time the optimal condition of cellulase hydrolysis, cellulase recycle use, and the reasonable fermentation process are analyzed.
Key words: cellulase, lignocellulose, hydrolysis efficiency, ethanol

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