Implementation of Custom Made Mini Biogas Plant Using Organic Waste
Publication Date : 16/12/2020
This paper is a complete report on the real-time implementation of a custom-made mini biogas plant for cooking and transport applications using organic waste formed in a college canteen. Biogas is a useful fuel for heating, generation of electricity and transport applications. The generation of solid and biodegradable waste is increasing day by day. These wastes are being dumped as landfills. If the wastes could be used to produce biogas, it would be a wealth out of waste. Therefore, considering the need for 'Reduce, Reuse and Recycle', the organic waste formed in a college canteen was used to produce biogas and the sludge is used as manure for the college garden. For the anaerobic decomposition by microorganisms, a digester was designed based on the amount of organic waste obtained and the space available to install the plant. For decomposition, a suitable temperature and pressure range is required. Circuitry with pressure, temperature and gas sensors were implemented to verify the parameters. After a period of one month, the gas generated in the digester was tested in a lab to measure its composition. The lab results ensured the biogas formation as the constituents of generated gas are methane, carbon dioxide (CO2), Hydrogen Sulphide (H2S) and oxygen. Content of methane was higher, which shows that the calorific value of the generated biogas is higher. Tests were conducted to check the effectiveness of produced biogas for heating application and operation of IC engines. The results prove that the generated biogas could be well used for heating and transport applications.
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