Experimental Analysis Of Biogas Compression And Purification From Biogas Digester A Case Study At Sidist Killo Campus

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The study encourages a way to recover energy from food wastes with the objective of producing cleanrnbiogas fuel (methane) from a food waste by using anaerobic digestion (biological decomposition).rnThis waste to fuels technology reduces the amount of waste to be sent to the living areas, recoversrnenergy from bio waste, helps to generate income from the selling of the produced biogas fuelrn(methane) and solves the energy problems. This thesis assesses the compression and purification ofrnbiogas mainly methane through anaerobic digestion, using a 10mrn3rn digester installed at Sidist killo rncampus. rnBiogas which is a clean and environmental friendly fuel emerged as one of the potential alternative fuels.rnRaw biogas contains about 60-70% methane (CH4), 30-40% carbon dioxide (CO2), traces of hydrogenrnsulfide (H2S) and fractions of water vapors. But its wide spread use is disadvantaged by the associatedrnproblems like low energy density due to the presence of impurities, generation at low pressures and thernabsence of means for storing and transporting. Biogas is widely used for cooking and lighting, but itsrncommercial use has not been realized due to difficulties in its storage and transportation. rnThis work intends to establish a facility at the site of biogas production in the sidist killo campus forrnpurifying, compressing, bottling and making it transportable. Solution identified to the problem is tornincrease the energy density of the gas through removal of incombustible and corrosive gas andrnconsequent compression which is experimented on this paper. This paper presents all the results ofrnremoval of impurities of biogas which are mainly carbon dioxide gas, hydrogen sulphide and water fromrnbiogas using reasonable chemicals selected. Sodium hydroxide, activated carbon powder and silica gelrnare chemicals selected to remove carbon dioxide, hydrogen sulphide and moisture respectively from thernraw biogas. rnExperimental results are evaluated by ever-changing the amount of chemical used from 0 up to 10 gm.rnAs a result, the purity of biogas increases with increasing the amount of chemicals. The gas purified afterrnthe scrubbing unit constitutes 61% of methane which is in the acceptable range of methane content in thernbiogas. Further, compression of biogas was carried out by a commercial compressor and stored into arn500lt biogas bag and tire inner tube at a pressure of 2 and 1 bar respectively. And finally the storedrnbiogas is bottled in to 2lt commercial gas cylinder using modified cycle pump at a pressure of 5 to 8 barrnwhich a normal person can exert

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Experimental Analysis Of Biogas Compression And Purification From Biogas Digester A Case Study At Sidist Killo Campus

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