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A numerical model for methane production in managed sanitary landfills

Record type: Article

A mathematical model for the production and transport of biogenic gases in a landfill is developed based on earlier work on the Mountain View Landfill Project in California. The present model incorporates biokinetic model equations for the microbial landfill ecosystems dynamics in a multi-layer, time-dependent gas flow and production model. It is based on first principles of the physics, chemistry, and microbiological processes controlling the production and transport of biogenic gases in a porous media context such as a landfill. The model includes chemical/biokinetic feedback loops for chemical parameter influence on microbiological rate processes. The resulting integrated biokinetic/gas transport model is based on the first principles governing the biokinetics of municipal landfill environment, and the physics of gas-migration. The model was calibrated and verified using approximately 4 years of methane production data from the Mountain View Controlled Landfill Project. Hydrolysis rate appears to be the most sensitive parameter controlling gas generation production. The model can be used to predict the rate and total production of methane in a landfill.

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Citation

El-Fadel, M., Findikakis, A.N. and Leckie, J.O. (1989) A numerical model for methane production in managed sanitary landfills Waste Management & Research, 7, (1), pp. 31-42. (doi:10.1177/0734242X8900700105).

More information

Published date: January 1989
Keywords: municipal solid waste landfill, methane, production, mathematical model

Identifiers

Local EPrints ID: 74377
URI: http://eprints.soton.ac.uk/id/eprint/74377
ISSN: 0734-242X
PURE UUID: 66a86725-dd70-45ce-a54d-b8557a6e866b

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:46

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Contributors

Author: M. El-Fadel
Author: A.N. Findikakis
Author: J.O. Leckie

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