期刊
BIORESOURCE TECHNOLOGY
卷 276, 期 -, 页码 65-73出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2018.12.105
关键词
Biochar; Dry anaerobic digestion; Beer lees; Methane
资金
- National Natural Science Foundation [51678222, 51478140, 51408200]
- Scientific Research Foundation for the High-level Talents of Heilongjiang University of Science and technology
- State Key Laboratory of Urban Water Resource and Environment [ES201803]
- China Postdoctoral Science Foundation [2018M641888]
This study investigated the feasibility of dry anaerobic digestion using beer lees as substrate and the effect of cow manure-derived biochar addition on dry anaerobic digestion performance at mesophilic and thermophilic temperature, respectively. With TS content of 25%, maximum cumulative methane production and yield were achieved to be 5230 +/- 91 mL d(-1) and 220.1 +/- 7.7 mL g(-1) VS at mesophilic condition and 7386 +/- 134 mL d(-1) and 310.4 +/- 9.2 mL g(-1) VS at thermophilic condition in the control cultures. The biochar addition has a positive effect in improving dry anaerobic digestion performance. The maximum cumulative methane production and yield in the cultures with 10 g L-1 biochar were substantially improved by 82.9% and 82.6% at mesophilic condition and 47.2% and 46.8% at mesophilic condition when compared to the control.
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