DecoMSW: A METHODOLOGY TO ASSESS DECOMPOSITION OF MUNICIPAL SOLID WASTE FOR INITIATION OF LANDFILL MINING ACTIVITIES

Mohammad Arif; Goli Venkata Siva Naga Sai; Chembukavu Agnes AntoSingh Devendra Narain

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DecoMSW: A METHODOLOGY TO ASSESS DECOMPOSITION OF MUNICIPAL SOLID WASTE FOR INITIATION OF LANDFILL MINING ACTIVITIES

机译：DecoMSW: A METHODOLOGY TO ASSESS DECOMPOSITION OF MUNICIPAL SOLID WASTE FOR INITIATION OF LANDFILL MINING ACTIVITIES

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Biochemical decomposition of municipal solid waste (MSW) in landfills leads to the generation of leachate, gases and humus substances. In this context, a methodology to assess D ecomposition of MSW, designated as DecoMSW, has been developed; based on a seriesof tests conducted on samples of the fresh MSW and those retrieved from the active bioreactor landfill (BLF) cells of age from 13 to 48 months. Furthermore, spatial and temporal variation in the (i) physical (composition) and (ii) chemical (pH, volatile solids, total organic carbon, elementalanalysis, ammonium and nitrate-nitrogen, biomethanation potential, lignocellulosic content) characteristics of the MSW samples exhumed from the landfill have been established. Finally, these characteristics were correlated vis-à-vis the respective values of the fresh MSW. From thisexercise, it has been observed that except for nitrate-nitrogen, all other chemical parameters of MSW decrease exponentially with time until 20 months, and beyond that, they remain constant, which is an indication of stabilization of MSW. In short, it has been demonstrated that DecoMSWis instrumental in assessing the state of decomposition of MSW with respect to time in the BLF and facilitates initiation of the landfill mining activities.

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《Journal of solid waste technology and management》 |2021年第3期|465-481|共17页
作者
Mohammad Arif; Goli Venkata Siva Naga Sai; Chembukavu Agnes AntoSingh Devendra Narain;
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作者单位

Research Scholar, Department of Civil Engineering;

Formerly Research Scholar, Department of Civil Engineering;

Department of Civil Engineering;

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正文语种英语
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BIOREACTOR LANDFILL; LANDFILL MINING; MUNICIPAL SOLID WASTE; STATE OF DECOMPOSITION; DecoMSW;

DecoMSW: A METHODOLOGY TO ASSESS DECOMPOSITION OF MUNICIPAL SOLID WASTE FOR INITIATION OF LANDFILL MINING ACTIVITIES

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