Comparison of dilute mineral and organic acid pretreatment for enzymatic hydrolysis of wheat straw

被引：254
|
作者：
Kootstra, A. Maarten J. [1 ,2 ]
Beeftink, Hendrik H. [2 ]
Scott, Elinor L. [1 ]
Sanders, Johan P. M. [1 ]
机构：
[1] Wageningen Univ, NL-6700 AA Wageningen, Netherlands
[2] Wageningen Univ, Food & Bioproc Engn Grp, NL-6700 EV Wageningen, Netherlands
来源：
BIOCHEMICAL ENGINEERING JOURNAL | 2009年 / 46卷 / 02期
关键词：
Pretreatment; Cellulosic ethanol; Maleic acid; Fumaric acid; Sulfuric acid; Solids loading; Wheat straw; Furfural; CORN STOVER; HEMICELLULOSE HYDROLYSIS; CELLULOSE HYDROLYSIS; HIGH-TEMPERATURE; SULFURIC-ACID; PIG DIETS; D-XYLOSE; ETHANOL; DEGRADATION; INHIBITORS;
D O I：
10.1016/j.bej.2009.04.020
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
The efficiencies of fumaric, maleic. and sulfuric acid in wheat straw pretreatment were compared. As a measure for pretreatment efficiency, enzymatic digestibility of the lignocellulose was determined. Monomeric glucose and xylose concentrations were measured after subsequent enzymatic hydrolysis, as were levels of sugar degradation products furfural and hydroxymethylfurfural after pretreatment. The influence of pretreatment temperature and of wheat straw loading was studied. It is shown that, at 150 C and 20-30% (w/w) dry wheat straw, the pretreatment with dilute fumaric or maleic acid can be a serious alternative to dilute sulfuric acid pretreatment. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：126 / 131
页数：6
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