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Enhanced biogas production from municipal solid waste via co-digestion with sewage sludge and metabolic pathway analysis

Ghosh, P. and Kumar, M. and Kapoor, R. and Kumar, S. S. and Singh, Lakhveer and Vijay, V. and Vijay, V. K. and Kumar, V. and Thakur, I. S. (2020) Enhanced biogas production from municipal solid waste via co-digestion with sewage sludge and metabolic pathway analysis. Bioresource Technology, 296. pp. 1-2. ISSN 0960-8524

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Abstract

The present study intends to evaluate the potential of co-digestion for utilizing Organic fraction of Municipal Solid Waste (OFMSW) and sewage sludge (SS) for enhanced biogas production. Metagenomic analysis was performed to identify the dominant bacteria, archaea and fungi, changes in their communities with time and their functional roles during the course of anaerobic digestion (AD). The cumulative biogas yield of 586.2 mL biogas/gVS with the highest methane concentration of 69.5% was observed under an optimum ratio of OFMSW:SS (40:60 w/w). Bacteria and fungi were found to be majorly involved in hydrolysis and initial stages of AD. Probably, the most common archaea Methanosarsina sp. primarily followed the acetoclastic pathway. The hydrogenotrophic pathway was less followed as indicated by the reduction in abundance of syntrophic acetate oxidizers. An adequate understanding of microbial communities is important to manipulate and inoculate the specific microbial consortia to maximize CH4 production through AD.

Item Type: Article
Additional Information: Pooja Ghosh, Madan Kumar, Rimika Kapoor, Smita S. Kumar, Lakhveer Singh, Vandit Vijay, Virendra Kumar Vijay, Vivek Kumar, Indu Shekhar Thakur ; Indexed by Scopus
Uncontrolled Keywords: Municipal solid waste; Anaerobic digestion; Metagenomics; Bacteria; Archaea; Fungi
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TD Environmental technology. Sanitary engineering
T Technology > TP Chemical technology
Faculty/Division: Faculty of Civil Engineering Technology
Depositing User: Mrs Norsaini Abdul Samat
Date Deposited: 09 Dec 2019 06:51
Last Modified: 09 Dec 2019 06:51
URI: http://umpir.ump.edu.my/id/eprint/26495
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