Enhancing anaerobic digestion of cotton stalk by pretreatment with a microbial consortium (MC1)

文献类型： 外文期刊

第一作者： Xufeng Yuan;;Lei Ma

作者： Xufeng Yuan;Lei Ma;Boting Wen;Dayun Zhou;Meng Kuang;Weihua Yang;Zongjun Cui

作者机构：

关键词： Cotton stalk;Microbial consortium;Anaerobic digestion;Methane production yield;Methane production rate

期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.642； 五年影响因子：9.237 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： Microbial pretreatment is beneficial in some anaerobic digestion systems, but the consortia used to date have not been able to effectively increase methane production from cotton stalk. In this study, a thermophilic microbial consortium (MC1) was used for pretreatment in order to enhance biogas and methane production yields. The results indicated that the concentrations of soluble chemical oxygen demand and volatile organic products increased significantly in the early stages of pretreatment. Ethanol, acetic acid, propionic acid, and butyric acid were the predominant volatile organic products in the MC1 hydrolysate. Biogas and methane production yields from cotton stalk were significantly increased following MC1 pretreatment. In addition, the methane production rate from the treated cotton stalk was greater than that from the untreated sample. (C) 2016 Elsevier Ltd. All rights reserved.

分类号： Q

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