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Journal of Biofuels
Year : 2011, Volume : 2, Issue : 1
First page : ( 57) Last page : ( 63)
Print ISSN : 0976-3015. Online ISSN : 0976-4763.
Article DOI : 10.5958/j.0976-3015.2.1.015

Energy recovery from municipal solid waste via gasification

Singh Raj Kumar1,*Associate Professor, Maji S.1Professor, Sharma Avdhesh Kr.2Associate Professor, Makin Sanjeev2Professor

1Mechanical Engineering Deptt., Delhi Technological University, Delhi

2DCR University of Science & Technology, Murthal (Sonepat), Haryana

*E-mail: rajkumarsingh@dce.ac.in

Online published on 21 October, 2011.

Abstract

The quantity of municipal solid waste (MSW) has increased significantly worldwide and its safe disposal is an important concern in present time. In this article, pretreatment and characterisation of MSW from the Bhalswa landfill site (located in Delhi) is presented for green-energy recovery via gasification process. Sampling and physical characterisation of MSW is carried out in terms of combustibles (i.e., fuel, organics, miscellaneous) and non-combustibles (i.e., concrete/stone and recyclables). MSW sample was transformed into energy rich refuse derived fuel (RDF) to facilitate the transformation. For thermochemical characterisation, the proximate, ultimate, TGA pyrolysis thermogram and ash analysis of MSW and RDF were carried out for chemical analysis, fixed carbon, volatile release rate and residual ash. After certain modifications in gasifier design, gasification of waste can be considered to be among the most efficient technology for energy recovery and safe disposal of MSW with ecological harmony.

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Keywords

Sampling, Characterisation, MSW, RDF, Gasification technology.

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