Volume 37, Issue 1 (January 2014)

    An Experimental Setup for Simultaneous Physical, Geotechnical, and Biochemical Characterization of Municipal Solid Waste Undergoing Biodegradation in the Laboratory

    (Received 5 May 2013; accepted 26 September 2013)

    Published Online: 2013

    CODEN: GTJOAD

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    Abstract

    Municipal solid waste (MSW) is biodegradable in landfills under anaerobic conditions. The biodegradation of MSW consists of physical and biochemical processes that affect the geotechnical characteristics of the waste. Laboratory landfill simulators that enable simultaneous characterization of these processes are presented. The simulator configuration, testing procedure, sampling methods, and measurement methods are described. The temporal phases of MSW biodegradation were studied using the experimental setup. Good repeatability of the measurements was demonstrated between duplicate simulators. In addition to data on biogas and leachate samples, a solid waste core sampling technique for retrieving disturbed solid waste samples for chemical and microbial analyses is presented. It was demonstrated that core sampling did not significantly affect simulator operation and measurements. The simulators and sampling methods presented in this study can be used to generate data that will be useful in the development and calibration of comprehensive models for MSW biodegradation in landfills.


    Author Information:

    Fei, Xunchang
    Graduate student, Univ. of Michigan, Ann Arbor, MI

    Zekkos, Dimitrios
    Assistant Professor, Univ. of Michigan, Ann Arbor, MI

    Raskin, Lutgarde
    Professor, Univ. of Michigan, Ann Arbor, MI


    Stock #: GTJ20130084

    ISSN: 0149-6115

    DOI: 10.1520/GTJ20130084

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    Author
    Title An Experimental Setup for Simultaneous Physical, Geotechnical, and Biochemical Characterization of Municipal Solid Waste Undergoing Biodegradation in the Laboratory
    Symposium , 0000-00-00
    Committee D34