Methane enhancement through co-digestion of chicken manure and thermo-oxidative cleaved wheat straw with waste activated sludge: A C/N optimization case
文献类型： 外文期刊
作者： Hassan, Muhammad 1 ; Ding, Weimin 1 ; Shi, Zhendan 2 ; Zhao, Sanqin 1 ;
作者机构： 1.Nanjing Agr Univ, Coll Engn, Nanjing 210031, Jiangsu, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Anim Sci, Nanjing 210014, Jiangsu, Peoples R China
关键词： Oxidative cleaved WS;Co-digestion of WS and CM;C/N optimization;Methane enhancement
期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.642； 五年影响因子：9.237 ）
ISSN：
年卷期：
页码：
收录情况： SCI
摘要： The present study emphasized the co-digestion of the thermal-H2O2 pretreated wheat straw (WS) and chicken manure (CM) with the waste activated sludge at four levels of C/N (35: 1, 30: 1, 25: 1 and 20: 1). All C/N compositions were found significant (P < 0.05) to enhance methane generation and process stability during the anaerobic co-digestion of WS and CM. The experimental results revealed that the composition having C/N value of 20: 1 was proved as optimum treatment with the methane enhancing capability of 85.11%, CODs removal efficiency of 48.55% and 66.83% VS removal as compared with the untreated WS. The other compositions having C/N of 25: 1, 30: 1 and 35: 1 provided 75.85%, 63.04% and 59.96% enhanced methane respectively as compared with the control. Pretreatment of the WS reduced its C/N value up to 65%. Moreover, to optimize the most suitable C/N composition, the process stability of the co-digestion of WS and CM was deeply monitored. (C) 2016 Elsevier Ltd. All rights reserved.
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