Characterization Of The Leachate Produced In
The Closed Cells Of A Landfill Site At Alhendín
(Granada, Spain)
Author(s)
A. Gálvez, A. Ramos, M. L. Rodríguez & M. Zamorano
Abstract
Landfill leachates are currently one of the main problems associated with the
elimination of wastes at landfills and one of the most polluting effluents. They
have a complex composition, which includes dissolved organic matter, inorganic
macrocomponents, heavy metals and xenobiotic organic compounds. Leachate
characterization is thus an essential factor to be considered in the design of an
effective treatment system. Samples were taken of the leachate produced in the
closed cells of a landfill site at Alhendín (Granada, Spain) for a period of more
than one year. The analyses performed included COD, BOD5, solids, ammonia,
the main cations and anions, pH, redox potential, and conductivity. The results
obtained show high concentrations of different pollutants. Leachate strength
followed a seasonal pattern, which can be mainly attributed to variation in
rainfall and temperatures as well as evaporation rates. We found that most of the
parameters analyzed showed a close correlation. The principal component
analysis was applied to the data with a view to evaluating the interrelationships
between parameters. It was thus possible to describe the data in terms of only
four components.
Keywords: landfill leachate characterization, relationships between leachate
parameters, principal component analysis.
1 Introduction
The high rate of waste generation in modern industrial societies has made waste
management a serious urban environmental problem. Of the various waste
Keywords
landfill leachate characterization, relationships between leachate
parameters, principal component analysis.
Related Book
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