Treatment of leachates in hightech systems
DOI:
https://doi.org/10.15626/Eco-Tech.2001.001Keywords:
Leachate treatment, microbial processes, physical/chemical processes.Abstract
Leachates are complex wastewaters, which often contain high concentrations of ammoniwn
ions, refractory organic compounds as well as heavy metals. The composition of the leachate
is a function of the kind of waste that has been deposited at the landfill. Furthermore,
substances created during microbial and abiotic degradation processes of the waste will be
eluted from the landfill. It is therefore difficult to determine the chemical composition of a
leachate especially in regard to organic substances. Leachates from different landfills differ in
composition. No single treatment process is therefore suitable for all leachates. The process
has to be optimised for the specific leachate, which will be treated.
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