期刊
BIORESOURCE TECHNOLOGY
卷 100, 期 12, 页码 3043-3047出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2009.01.016
关键词
Biodiesel; Biogas; Anaerobic digestion; Organic waste; Agro-industrial waste
资金
- Greek Scholarship Institution (IKY)
The effects of crude glycerol on the performance of single-stage anaerobic reactors treating different types of organic waste were examined. A reactor treating the organic fraction of municipal solid waste produced 1400 mL CH4/d before the addition of glycerol and 2094 ml. CH4/d after the addition of glycerol. An enhanced methane production rate was also observed when a 1:4 mixture of olive mill wastewater and slaughterhouse wastewater was supplemented with crude glycerol. Specifically, by adding 1% v/v crude glycerol to the feed, the methane production rate increased from 479 mL/d to 1210 mL/d. The extra glycerol-COD added to the feed did not have a negative effect on the reactor performance in either case. Supplementation of the feed with crude glycerol also had a significant positive effect on anaerobic fermentation reactors. Hydrogen yield was 26 mmole H-2/g VS added and 15 mmole H-2/g VS added in a reactor treating the organic fraction of municipal solid waste and a 1:4 mixture of olive mill and slaughterhouse wastewater. The addition of crude glycerol to the feed enhanced hydrogen yield at 2.9 mmole H-2/g glycerol added and 0.7 mmole H-2/g glycerol added. (C) 2009 Elsevier Ltd. All rights reserved.
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