Influence of temperature and substrate composition on anaerobic biogas production in a pilot-scale reactor

Balasubramanian K, Sivakumar K

Abstract


 

The research investigates how temperature and substrate composition impact anaerobic biogas production in a pilot-scale reactor. Anaerobic digestion is a vital process for converting organic substrates into biogas, mainly composed of methane and carbon dioxide. Temperature plays a crucial role in influencing this process. The experiment was conducted under mesophilic (35°C), thermophilic (55°C), and hyper thermophilic (80°C) conditions, using a pilot-scale reactor with a capacity of 50 liters and an effective volume of 40 liters. Key parameters, including biogas production, carbon and nitrogen content, carbon-to-nitrogen (C:N) ratios, pH levels, and biomass concentrations, were monitored throughout a 60-day operational period. The highest biogas production, reaching 6398 ml/d, occurred under mesophilic conditions. Scanning electron microscopy (SEM) and phylogenetic analysis were performed, revealing the presence of Methanococcus aeolicus species in the treated sludge.

 

Received: 25 June 2024

Accepted: 31 July 2024

Published: 25 August 2024


Keywords


Organic waste, Temperature, Biogas yield, Microbial identification.

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References


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DOI: http://dx.doi.org/10.21622/resd.2024.10.2.906

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Copyright (c) 2024 Balasubramanian K, Sivakumar K

Renewable Energy and Sustainable Development

E-ISSN: 2356-8569

P-ISSN: 2356-8518

 

Published by:

Academy Publishing Center (APC)

Arab Academy for Science, Technology and Maritime Transport (AASTMT)

Alexandria, Egypt

resd@aast.edu