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A platform for research: civil engineering, architecture and urbanism
Suitability of Mechanically Biologically Treated Waste for Landfill Covers
Landfills are one of the major sources of atmospheric methane (CH4), which causes global warming. The microbial oxidation of methane in engineered covers is considered a potent option for the mitigation of methane emissions from landfills or sites containing wastes of low methane generation rates. Studies have shown that microbial oxidation of CH4 in landfill cover soil is enhanced in the presence of organic matter-rich substrates. Hence, in this study, the methane oxidation potential for a mechanically separated, biologically treated, and anaerobically digested waste (MBT waste) is being investigated. Column experiments were devised for the study; the results of which indicate that the oxidation potential of the material is far above the reported average values. This suggests that the material could be satisfactorily used as a cover material in landfills. The gas concentration profiles obtained from the experiments were validated with the numerical model which gave matching results. This suggests that the methodology adopted to model the methane oxidation in the numerical model is satisfactory and could be used for future investigations.
Suitability of Mechanically Biologically Treated Waste for Landfill Covers
Landfills are one of the major sources of atmospheric methane (CH4), which causes global warming. The microbial oxidation of methane in engineered covers is considered a potent option for the mitigation of methane emissions from landfills or sites containing wastes of low methane generation rates. Studies have shown that microbial oxidation of CH4 in landfill cover soil is enhanced in the presence of organic matter-rich substrates. Hence, in this study, the methane oxidation potential for a mechanically separated, biologically treated, and anaerobically digested waste (MBT waste) is being investigated. Column experiments were devised for the study; the results of which indicate that the oxidation potential of the material is far above the reported average values. This suggests that the material could be satisfactorily used as a cover material in landfills. The gas concentration profiles obtained from the experiments were validated with the numerical model which gave matching results. This suggests that the methodology adopted to model the methane oxidation in the numerical model is satisfactory and could be used for future investigations.
Suitability of Mechanically Biologically Treated Waste for Landfill Covers
Lecture Notes in Civil Engineering
Hazarika, Hemanta (editor) / Madabhushi, Gopal Santana Phani (editor) / Yasuhara, Kazuya (editor) / Bergado, Dennes T. (editor) / Parameswaran, T. G. (author) / Anusree, N. (author) / Sughosh, P. (author) / SivakumarBabu, G. L. (author) / Deepagoda, T. K. K. Chamindu (author)
2021-02-21
9 pages
Article/Chapter (Book)
Electronic Resource
English
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