Optimizing Anaerobic Co-Digestion Process of Cattle Manure and Corn Straw by Response Surface Methodology

文献类型： 外文期刊

第一作者： Pei Zhanjiang

作者： Pei Zhanjiang;Liu Jie;Pei Zhanjiang;Shi Fengmei;Wang Su;Lu Binyu;Liu Yijun;Liu Jie;Pei Zhanjiang

作者机构：

关键词： Anaerobic Fermentation; Straw; Biogas; Response Surface Methodology (RSM)

期刊名称：JOURNAL OF BIOBASED MATERIALS AND BIOENERGY （ 影响因子：0.708； 五年影响因子：0.739 ）

ISSN： 1556-6560

年卷期： 2019 年 13 卷 5 期

页码：

收录情况： SCI

摘要： Anaerobic digestion technology has been used widely as an ideal solid organic waste disposal way in recent years and anaerobic co-digestion has become the research hotspots. In order to investigate the effects of TS%, CM/CS and trace elements Fe2+ on cumulative gas production in co-digestion system, the experimental design of Box-Behnken center combination was carried out based on response surface methodology. The quadratic model was established by Design-Express 8.0.6 software. The results showed that TS%, CM/CS and trace elements Fe2+ had significant effects on the cumulative gas production of co-digestion system. The optimal process parameters were TS% 8.52%, CM/CS 1.63: 1, and trace elements Fe2+ dosage 1.225 mg . L-1. The theoretical cumulative gas production and the actual cumulative gas production at the optimal process parameters were 7732.4 mL and 7694 mL, respectively. It meant the model could optimize the parameter of anaerobic fermentation.

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