Title: Changes in geotechnical properties of Municipal Solid Waste (MSW) in bioreactor landfill with degradation

Authors: Md. S. Hossain, Kiran K. Penmethsa

Addresses: Department of Civil Engineering, The University of Texas at Arlington, 417 Yates St, TX 76019, USA. ' Department of Civil Engineering, The University of Texas at Arlington, 417 Yates St, TX 76019, USA

Abstract: The objectives of the research described in this paper are to: study the composition of fresh Municipal Solid Waste (MSW); study the effects of decomposition on physical characteristics of MSW in bioreactor landfill. Initially, composition of the fresh MSW constituents was determined based on 14 bag MSW samples. Then, four small-scale bioreactor landfills were simulated in laboratory and samples were prepared to represent each phase of decomposition. Laboratory tests were conducted to determine the changes in physical characteristics (moisture content, organic content, specific gravity, density and permeability) of MSW at each phase of decomposition and presented in this paper.

Keywords: bioreactor landfill; municipal solid waste; MSW decomposition; physical characteristics; geotechnical properties; moisture content; organic content; specific gravity; density; permeability.

DOI: 10.1504/IJEE.2011.041358

International Journal of Environmental Engineering, 2011 Vol.3 No.3/4, pp.349 - 370

Published online: 20 Jul 2011 *

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