Abstract
The predominant sewage sludge treatment process in the United Kingdom is mesophilic anaerobic digestion. The fate of chlorinated organic micropollutants during this treatment process is, however, largely unknown. Laboratory scale simulations were applied to assess the fate of chlorophenoxy herbicides, chlorophenols, polychlorinated biphenyls, and organochlorine pesticides during the digestion of primary sludge and co-settled waste activated and primary sludge, obtained from full scale works. Incubation was carried out under non-sterile and sterile conditions. The results are compared with previous batch tests and the potential mechanisms of removal are discussed.
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More From: Archives of Environmental Contamination and Toxicology
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