利用玉米芯同步糖化发酵产2,3-丁二醇的研究

doi:10.3969/j.issn.0253-2417.2013.02.016

›› 2013, Vol. 33 ›› Issue (2): 91-94.doi: 10.3969/j.issn.0253-2417.2013.02.016

• 研究报告 • Previous Articles Next Articles

Production of 2,3-Butanediol from Corncob by Simultaneous Saccharification and Fermentation Process

JIANG Xing, XIA Li-ming

Department of Chemical Engineering and Bioengineering, Zhejiang University, Hangzhou 310027, China

Received:2012-04-06 Revised:1900-01-01 Online:2013-04-30 Published:2013-04-30

Abstract

Abstract: Production of 2,3-Butanediol from corncob was carried out by simultaneous saccharification and fermentation(SSF) process.The optimal SSF conditions were obtained as 100-120 g/L substrates were treated by 25 FPIU/g substrate cellulose, 15 IU/g substrate cellobiase and 300 IU/g substrate xylanase under pH 6.0 and 36 ℃ environment.The concentration,productivity and conversion rate of 2,3-butanediol were 46.02 g/L, 1.28 g/(L·h) and 0.424 g/g( based on cellulose and hemicellulose) respectively by SSF treatment for 36 h when the substrate concentration is 120 g/L.

Key words: 3-butanediol, simultaneous saccharification and fermentation, corncob, cellulose, hemicellulose

CLC Number:

TQ35
Q932

JIANG Xing;XIA Li-ming. Production of 2,3-Butanediol from Corncob by Simultaneous Saccharification and Fermentation Process[J]. , 2013, 33(2): 91-94.

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Production of 2,3-Butanediol from Corncob by Simultaneous Saccharification and Fermentation Process

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