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On the degradability of tetrachloroethene in biologically treated wastes
T Schön1, W Seebacher, R Kreuzig
1Institute of Ecological Chemistry and Waste Analysis, Technical University of Braunschweig, Germany.
Abstract:
Investigation on the degradability of tetrachloroethene was performed using fresh and mechanically-biologically pretreated household waste. The corresponding metabolites were determined and the experimental conditions were characterized by the concentrations of methane, organic acids, sulfate and nitrate as well as by pH and redox potential. Furthermore, sorption studies on the substances in different wastes were carried out. With pretreated waste the degradation efficiency was much higher than with fresh waste. On the other hand, the fresh waste showed higher sorption capacity for the chlorinated compounds.