期刊
BIORESOURCE TECHNOLOGY
卷 182, 期 -, 页码 67-74出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.01.092
关键词
Olive mill wastewater; Liquid poultry manure; Co-digestion; Anaerobic jet-loop reactor; Methane yield
资金
- Ministere de l'Enseignement Superieur et de la Recherche Scientifique, Tunisie
Anaerobic co-digestion of olive mill wastewater (OMW) with liquid poultry manure (LPM) was investigated in a jet-loop reactor (JLR) as a new approach for upgrading the efficiency of bioprocess. Optimum proportion of LPM was evaluated by determining biochemical methane potential. Methane yields were compared by applying one way ANOVA method followed by post hoc Tukey's test with a 0.05 significance level. Results demonstrated that the addition of LPM at proportion of 10% and 30% (v/v) improved methane yield of OMW digestion but differences between these mixtures and raw OMW are not significant. JLR results confirmed that the proportion 30% LPM gives the optimum condition for excellent stability of digester. Methane production was significantly high until an organic loading rate of 9.5 g COD/L reactor/day. Overall; this study indicates the technical feasibility and effectiveness of using JLR as one-stage anaerobic system for the co-digestion of OMW and LPM. (c) 2015 Elsevier Ltd. All rights reserved.
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