Singh, Raj Shekhar, Singh, Ranjeet K. and Tripathi, Nimisha (2022) Food waste utilization for the production of biogas by anaerobic digestion: a case study in coal capital of India. In: Yadav, Shalini, Negm, Abdelazim M. and Yadava, Ram Narayan, (eds.) Environmental Management in India: Waste to Wealth. Earth and Environmental Science - Earth and Environmental Science (R0) . Springer Nature, Cham, Switzerland, pp. 147-166. ISBN 978-3030938963; 978-3030938970 ISSN 978-3-030-93897-0 (Online) (doi:10.1007/978-3-030-93897-0_8)

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Abstract

India generates 2.07 billion cubic meters of biogas per annum. This is equivalent to 5% of the total liquefied petroleum gas (LPG) consumption in the country. Biogas production (e.g., Methane) often requires anaerobic digestion of food waste in an optimum temperature to get maximum biogas yield. The gas produced after anaerobic digestion can be dewatered and cleaned to be utilised through a biogas based fuel generation system. In addition, the by-product (slurry) formed in the process provides additional organic manure for farming and maintaining the soil fertility. The present work discusses about a fabricated simple, convenient and cost-effective Organic Processing Digester (OPD) system that can produce biogas in an eco-friendly way. This proof of concept establishes that there is potential of using food waste/municipal solid waste (MSW) in a sustainable way to divert the waste from landfilling, whilst also reducing the carbon dioxide and methane emissions to the atmosphere. In this study, food waste collected from three selected sites of Dhanbad district of India was subjected to anaerobic digestion in the above-mentioned digester. The methane yield obtained in this process was about 43%, 33% and 24% in summer, rainy and winter seasons respectively. The results of this study indicated that the food wastes are highly desirable substrate for anaerobic digesters with regards to their high biodegradability, methane yield and as a potential source of sustainable renewable energy.

Item Type:	Book Section
Uncontrolled Keywords:	food waste, utilisation, anaerobic digestion, bio-gasification
Subjects:	H Social Sciences > H Social Sciences (General) Q Science > Q Science (General) T Technology > T Technology (General)
Faculty / School / Research Centre / Research Group:	Faculty of Engineering & Science Faculty of Engineering & Science > School of Engineering (ENG)
Last Modified:	04 Apr 2025 11:41
URI:	http://gala.gre.ac.uk/id/eprint/48987

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