期刊
BIOCHEMICAL ENGINEERING JOURNAL
卷 46, 期 2, 页码 126-131出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.bej.2009.04.020
关键词
Pretreatment; Cellulosic ethanol; Maleic acid; Fumaric acid; Sulfuric acid; Solids loading; Wheat straw; Furfural
资金
- CCL Research
- Netherlands
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.
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