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Biomethane production by anaerobic digestion of organic waste

TitleBiomethane production by anaerobic digestion of organic waste
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2013
AuthorsMolino, Antonio, Nanna F., Ding Y., Bikson B., and Braccio G.
KeywordsAgricultural wastes, Anaerobic digestion, Animal wastes, Biogas, Biological process, Biomass, Biomethane, Break down, Carbon dioxide, Electric power generation, food contamination, Grass clippings, Heat homes, industrial effluent, Landfill gas, Membrane purification, methane, Natural gas conditioning, Natural gas grids, Organic materials, Organic wastes, Polymeric membranes, Removal, Research groups, sewage, Vehicular fuel, Waste paper

Anaerobic Digestion (AD) is a biological process that takes place naturally when bacteria break down organic matter in environments with or without oxygen. Controlled anaerobic digestion of organic waste in enclosed landfill will generate methane. Almost any organic material can be processed with AD, including waste paper and cardboard (of a grade that is too low to recycle because of food contamination), grass clippings, leftover food, industrial effluents, sewage and animal waste. AD produces biogas which is comprised of around 60% methane (CH4) and 40% carbon dioxide (CO2). This biogas can be used to generate heat or electricity and/or can be used as a vehicular fuel. If the intended use is for power generation the biogas must be scrubbed to remove a number of impurities. After conditioning the biogas can be used for onsite power generation, to heat homes or can be added to the national natural gas grid. In recent years several research groups have shown the possibility of upgrading the biogas for biomethane production [1]. This study will show the feasibility of integrating anaerobic digestion plant with onsite polymeric membrane purification system for conditioned biomethane production. © 2012 Elsevier Ltd. All rights reserved.


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Citation KeyMolino20131003