Potential biogas generation from food waste via anaerobic digestion

• Published in: AIP Conference Proceedings
• Main Author: Rani N.H.A.; Mohamad N.F.; Aziz N.; Jasmin N.I.
• Format: Conference paper
• Language: English
• Published: American Institute of Physics Inc. 2022
• Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85132831675&doi=10.1063%2f5.0078561&partnerID=40&md5=95874b19e05e16ce853be145e4f64a5a

Pollutants are released into the atmosphere due to production and consumption energy especially from fossil fuel. However, not only the environmental concerns but also the increase in energy demand promotes the researchers to develop new alternatives that could minimize the environmental impact. Anaerobic digestion (AD) can be used for the treatment of organic wastes such as food waste, industrial organic waste, municipal solid waste, agricultural residues and animal manure. The fuel produced from anaerobic digestion is environmentally friendly because this renewable energy provides electricity without giving rise to CO2 emission. Food wastes are easily biodegradable organic material with high moisture, carbohydrate, lipid, and protein. Therefore, the objective of this study to convert the wastes into biogas and determine the properties of AD in terms of biogas generation. This study was conducted by using two digesters with different composition and the biogas was analysed using MRU analyser based on the time duration. The physicochemical properties such as total solid (TS), volatile solid (VS), ash content and moisture content were examined to determine the efficiencies of the biogas production. The highest amount of biogas production is 307 mg/m3 (cow dung) with a TS /VS of 5.72 %, moisture content of 9.9 % and a pH of 7.3. Meanwhile, without cow dung, 229 mg/m3 biogas is produced. This project promotes a potential new business for biogas sector in Malaysia especially using food wastes as a main source. © 2022 Author(s).