Journal
BIORESOURCE TECHNOLOGY
Volume 154, Issue -, Pages 1-9Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2013.11.090
Keywords
Lignocellulose of municipal solid waste (LMSW); Microbial consortium; Anaerobic digestion; Biological pretreatment; Hydrolysate
Funding
- National Key Technology R&D Program of China [2012BAD14B06]
- National 863 Program of China [2012AA101803]
- Special Fund for Agro-scientific Research in the Public Interest [201303080]
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The use of biological pretreatment in anaerobic digestion systems has some potential; however, to date, these methods have not been able to effectively increase methane production of lignocellulose of municipal solid waste (LMSW). In this study a thermophilic microbial consortium (MC1) was used as a pretreatment method in order to enhance biogas and methane production yields. The results indicated that sCOD concentration 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 of LMSW significantly increased following MC1 pretreatment. In addition, the methane production rate of the treated LMSW was greater than that observed from the untreated sample. (C) 2013 Elsevier Ltd. All rights reserved.
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