STP1275

    Physical Characterization of Water Treatment Plant Residual and Top Soil Mixtures

    Published: Jan 1997


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    Abstract

    Disposal of water treatment plant residuals is not economically feasible due to their high moisture contents, high compressibilities and very low shear strengths. This paper evaluates the physical and geotechnical characteristics of water treatment residual-top soil mixtures for beneficial reuse in construction and land application. Index, compaction, consolidation, strength and durability tests were performed in accordance with the relevant ASTM standards. It was observed that the plasticity of the mixtures decreased and handling (compaction) and other engineering characteristics improved due to the addition of top soil to residuals. There is a potential for these mixtures to be used as liner material for landfills.

    Keywords:

    water treatment plant residuals, disposal, beneficial reuse, construction, land application, top soil, geotechnical characteristics


    Author Information:

    Raghu, D
    Professor, New Jersey Institute of Technology, Newark, NJ

    Hsieh, H-N
    Professor, New Jersey Institute of Technology, Newark, NJ

    Basim, SC
    Research Assistant, New Jersey Institute of Technology, Newark, NJ

    Morgan, M
    Senior Production Engineer, Erie County Water Authority, Buffalo, NY


    Paper ID: STP15638S

    Committee/Subcommittee: D18.05

    DOI: 10.1520/STP15638S


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