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Seepage water of toxic waste landfills is polluted with high concentrations of toxic organic compounds. The concentrations in the seepage water we applied for chlorinated phenols are between 2 μg/l and 1 mg/l, for PCB between 800 pg/l and 250 ng/l, for PAH between 200 ng/l and 12 μg/l and for PCDD and PCDF between 20 pg/l and 1 ng/l. Usual purification methods produce highly contaminated residues,...