Anaerobic fermentation of biogas liquid pretreated maize straw by rumen microorganisms in vitro

被引：43

作者：

Jin, Wenyao ^{[1
]}

Xu, Xiaochen ^{[1
]}

Gao, Yang ^{[1
]}

Yang, Fenglin ^{[1
]}

Wang, Gang ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Environm Sci & Technol, Key Lab Ind Ecol & Environm Engn MOE, Dalian 116024, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2014年 / 153卷

关键词：

Rumen microorganism; Biogas liquid; Ammonia pretreatment; Maize straw; WHEAT-STRAW; RICE STRAW; ENZYMATIC-HYDROLYSIS; DEGRADATION; POLYSACCHARIDES; DIGESTIBILITY; DIGESTION; LIGNIN; MECHANISMS; CATTAIL;

D O I：

10.1016/j.biortech.2013.10.003

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

This study intended to investigate the effect of pretreatment of maize straw with biogas liquid on followed fermentation by rumen microorganisms in vitro. The multiple effects including treated time, temperature and dosage of biogas liquid in pretreatment on the followed fermentation performance were analyzed by orthogonal array. The optimum conditions of pretreatment were 9 days, 25 degrees C and 50% (v/w) dosage of biogas liquid, which were indicated by the corresponding crystallinity index, dry matter digestibility (DMD) and acetate limiting-step concentration were 57.5%, 73.76% and 1756 mg/L, respectively. The ordering sequence of the influential factors for pretreatment was treated time > temperature > dosage of biogas liquid. The results of fermentation showed that the maize straw pretreated by biogas liquid was an efficient and economic pretreatment method of maize straw. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：8 / 14

页数：7

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