Prediction of Leachate Quality from Sanitary Landfills
Publication: Journal of Environmental Engineering
Volume 125, Issue 10
Abstract
A simple mathematical model was developed to simulate solid waste decomposition in landfills. Two processes were taken into account: (1) The exchange of the organic matter between the solid and the liquid phases; and (2) the depletion of the dissolved organic matter due to biological decomposition and flushing. Two equations using first-order kinetics were employed to describe these processes. The landfill was considered as a single fully mixed reactor. The model, which has a smaller set of parameters than other models proposed in the literature, was calibrated using the results obtained from six pilot laboratory-scale lysimeters. The fitting accuracy is indicative of the model reliability. Values for the kinetic parameters are proposed for characteristic types of solid wastes and landfill management practices.
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 125 • Issue 10 • October 1999
Pages: 950 - 958
History
Received: Oct 27, 1998
Published online: Oct 1, 1999
Published in print: Oct 1999
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