Generation of Biogas and Enhancing its Methane Content by Chemical Absorption Technique
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 6
Abstract
In this paper we will discuss India’s existing biogas potential as a substitute to fossil fuels for domestic purpose. In the second part of the paper we will discuss the technique of upgrading the biogas using a chemical absorption technique for use in S.I engines as a substitute to compressed natural gas. A huge quantity of bio waste is generated in housing societies in metropolitan cities. Conversion of bio waste into biogas would result in localized municipal solid waste (MSW) management reducing the cost of transportation, eliminating the need of empty spaces for dumping grounds and also presenting an alternative source of fossil fuels. For experimentation, biogas was produced in a floating drum digester tank from daily produced kitchen waste and then with the chemical absorption technique using sodium carbonate (Na2CO3) as the scrubbing liquid, biogas was upgraded to bio-methane. The outcomes of the experiment was a combustible biogas consisting of 44.14% CO2, 53.19% CH4 and traces of other gases with a calorific value of 21180.25kJ/kg which when upgraded had around 88.39% methane and 8.05% carbon dioxide with a calorific value of 35196.89kJ/kg.
Authors and Affiliations
Yunus Dalal, Rajesh Kale, Khan Aamir
Keywords
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