Optimization of Ethanol Production from NaOH-Pretreated Solid State Fermented Sweet Sorghum Bagasse

被引：12

作者：

Yu, Menghui ^{[1
]}

Li, Jihong ^{[1
]}

Chang, Sandra ^{[1
]}

Du, Ran ^{[1
]}

Li, Shizhong ^{[1
]}

Zhang, Lei ^{[1
]}

Fan, Guifang ^{[1
]}

Yan, Zhipei ^{[1
]}

Cui, Ting ^{[1
]}

Cong, Guangtao ^{[1
]}

Zhao, Gang ^{[2
]}

机构：

[1] Tsinghua Univ, Inst Nucl & New Energy Technol, Tsinghua Garden, Beijing 10084, Peoples R China

[2] Beijing Engn Res Ctr Biofuels, Beijing 10084, Peoples R China

来源：

ENERGIES | 2014年 / 7卷 / 07期

关键词：

bioethanol; NaOH pretreatment; response surface methodology; simultaneous saccharification and co-fermentation; solid state fermented sweet sorghum bagasse; BIOETHANOL PRODUCTION; ZYMOMONAS-MOBILIS; CAROB PODS; TECHNOLOGIES; IMPROVE;

D O I：

10.3390/en7074054

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Ethanol production from NaOH-Pretreated solid state fermented sweet sorghum bagasse with an engineered strain of Z. mobilis TSH-ZM-01 was optimized. Results showed that: (1) residual solid removal during ethanol fermentation was unnecessary and 24 h fermentation duration was optimal for ethanol production; (2) ethanol yield of 179.20 g/kg of solid state fermented sweet sorghum bagasse achieved under the optimized process conditions of cellulase loading of 0.04 g/g-glucan, xylanase loading of 0.01 g/g-xylan, liquid to solid ratio of 9: 1 and pre-hydrolysis duration for 72 h.

引用

页码：4054 / 4067

页数：14

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