Biological pretreatment of municipal solid waste prior to landfilling

TL;DRAbstract

The conventional landfilling does not promote sustainable waste management due to uncontrolled emissions which potentially degrade the environment. In this regard, pre-treatment of municipal solid waste prior to landfilling significantly enhance waste stabilization and provides various advantages. So in this regard pre-treatment methods of municipal solid waste were investigated. The major objectives of biological pretreatment are to degrade most easily degradable organic matters of MSW in a short duration under controlled conditions so as to produce desired quality for landfill; and to enhance methanogenic condition in the landfill. Factors affecting the choice of pretreatment processes include the composition of MSW, retention times, odor emissions, fate of toxic chemicals and costs. To investigate the economical pretreatment method prior to landfilling for developing countries four pretreatment simulators were developed at bench scale in the laboratory at different operating conditi

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