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Biomethanation of vegetable market waste in an anaerobic baffled reactor: Effect of effluent recirculation and carbon mass balance analysis

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Title Biomethanation of vegetable market waste in an anaerobic baffled
reactor: Effect of effluent recirculation and carbon mass balance analysis
 
Creator Gulhane, Madhuri
Khardenavis, Anshuman
Karia, Sneha
Pandit, Prabhakar
Kanade, Gajanan S.
Lokhande, Satish
Vaidya, Atul N.
Purohit, H J
 
Subject Industrial Wastewater Reuse Recycle Recovery
Solid and Hazardous Wastes
Waste Utilization
Environmental Biotechnology
Energy Sources
Microbiology
 
Description In the present study, feasibility of biomethanation of vegetable market waste in a 4-chambered anaerobic
baffled reactor (ABR) was investigated at 30 d hydraulic retention time and organic loading rate of
0.5 g VS/L/d for one year. Indicators of process stability viz., butyrate/acetate and propionate/acetate
ratios were consistent with phase separation in the different chambers, which remained unaltered even
during recirculation of effluent. Chemical oxygen demand (COD) and volatile solids (VS) removal
efficiencies were observed to be consistently high (above 90%). Corresponding biogas and methane yields
of 0.7–0.8 L/g VS added/d and 0.42–52 L/g VS added/d respectively were among the highest reported in
case of AD of vegetable waste in an ABR. Process efficiency of the ABR for vegetable waste methanation,
which is indicated by carbon recovery factor showed that, nearly 96.7% of the input carbon considered for
mass balance was accounted for in the product.
 
Publisher Elsevier
 
Date 2016
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://neeri.csircentral.net/738/1/Biomethanation%20in%20ABR_Biores%20Tech.pdf
Gulhane, Madhuri and Khardenavis, Anshuman and Karia, Sneha and Pandit, Prabhakar and Kanade, Gajanan S. and Lokhande, Satish and Vaidya, Atul N. and Purohit, H J (2016) Biomethanation of vegetable market waste in an anaerobic baffled reactor: Effect of effluent recirculation and carbon mass balance analysis. Bioresource Technology, 215. pp. 100-109. ISSN 0960-8524 (Unpublished)
 
Relation https://www.journals.elsevier.com/bioresource-technology/
http://neeri.csircentral.net/738/