El-Fadel, M., Findikakis, A and Leckie, J
Biochemical and physical processes in landfills
Journal of Solid Waste Technology and Management, 23, (3), .
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This paper presents a mathematical model describing biochemical and physical processes in landfills. The model incorporates biokinetic equations describing the dynamics of the microbial landfill ecosystem into multi-component (methane, carbon dioxide, and nitrogen) time dependent gas and heat generation and transport models. The model accounts for effects of temperature variations with time on transport properties and biochemical processes in a landfill environment. The resulting integrated biokinetic, gas, and heat generation and transport model was used to simulate field data from the Mountain View Controlled Landfill Project, California. Model simulation results were in good agreement with data from the landfill field test. The model can be used to simulate the gas production, migration, and emission at a landfill site, and assess the parameters that control biological, physical, and chemical processes in a landfill ecosystem.
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