期刊
BIORESOURCE TECHNOLOGY
卷 217, 期 -, 页码 56-61出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.12.004
关键词
Organic loading rate; Co-digestion; OFMSW; Methane; Soluble COD
The effect of chemical oxygen demand (COD) and volatile solids (VS) on subsequent methane (CH4) production during anaerobic digestion (AD) of organic fraction of municipal solid waste (OFMSW) was studied in a laboratory-scale digester. The experiment was performed in 2 L anaerobic digester under different experimental conditions using different input mass co-digested with inoculum and organic loading rate (OLR) for 27 days at 38 +/- 2 degrees C. Three digesters (digesters 1, 2 and 3) were operated at initial loading of 5.1, 10.4 and 15.2 g/L CODS per batch which were reduced to 77.9% and 84.2%, respectively. Cumulative biogas productions were 9.3, 10.7 and 17.7 L in which CH4 yields were 84.3, 101.0 and 168.4 mL/g VS removal in digesters 1, 2, and 3, respectively. The observed COD removal was found to be influenced on variation in CH4 production. Co-efficient of determination (R-2) was 0.67 and 0.74 in digesters 1 and 2, respectively. (C) 2015 Elsevier Ltd. All rights reserved.
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