Improvement of lactic acid production from cellulose with the addition of Zn/Ni/C under alkaline hydrothermal conditions

被引：66

作者：

Zhang, Shiping ^{[1
]}

Jin, Fangming ^{[1
]}

Hu, Jiajun ^{[1
]}

Huo, Zhibao ^{[1
]}

机构：

[1] Tongji Univ, State Key Lab Pollut Control & Resources Reuse, Coll Environm Sci & Engn, Shanghai 200092, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2011年 / 102卷 / 02期

基金：

国家高技术研究发展计划(863计划); 中国国家自然科学基金;

关键词：

Cellulose; Lactic acid; Hydrothermal condition; Response surface method (RSM); HOT-COMPRESSED WATER; HYDROGEN-PRODUCTION; CONVERSION; BIOMASS; GASIFICATION; HYDROLYSIS; CATALYSTS;

D O I：

10.1016/j.biortech.2010.09.049

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The effect of Zn, Ni and activated carbon on the yield of lactic acid from cellulose was investigated to improve the lactic acid yield under alkaline hydrothermal conditions. The results showed that the lactic acid yield increased greatly in the presence of Zn, Ni and activated carbon. Central composite response surface method (RSM) design experimentation was used to find the optimal concentrations of Zn, Ni, activated carbon and NaOH, which indicated that 0.02 g Zn, 0.03 g Ni, 0.07 g activated carbon and 2.5 mol/L NaOH were the optimal concentrations. Under this condition, the highest lactic acid yield was 42%, which was much higher than previous results using only NaOH (15%). The confirmatory experiments on lactic acid yield proved that the proposed model of lactic acid yield can accurately predict the lactic acid yield from cellulose. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：1998 / 2003

页数：6

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