Abstract
PCBs removal in the aged leachate by a new combination process, combined coagulation with a two-staged sequencing batch biofilm reactor with Luffa Sponges (LS) as the biomass carriers (LS-SBBR), was studied in this research. The results indicated that the removal rate of total PCBs in the aged leachate was 51.97%, and it was achieved mainly by the removal of trichlorobiphenyls, the PCBs contents in sludge in the two-staged LS-SBBR were consistent with the conclusion that the PCBs removal in liquid phase of the second LS-SBBR was higher than that of the first LS-SBBR.
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