Behaviour of Detergent Derived Organic Chemicals in the Glatt River. 1. Alkylphenol Polyethoxylates and Their Metabolites
作者： M. Ahel , W. Giger , C. Schaffner
DOI: 10.1007/978-94-011-3356-2_55
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摘要: A comprehensive study examing the occurrence and transformation of aromatic nonionic surfactants nonylphenol polyethoxylate type their metabolites in Glatt River was performed. The longitudinal river concentration-profile has indicated that secondary effluents from municipal sewage treatment plants were major source investigated chemicals into River. majority nonylphenolic compounds form persistent metabolites, most abundant ones being nonylphenoxy carboxylic acids. Mass flow estimates for various classes different metabolic pathways river. For polyethoxylates, lipophilic ethoxylates, nonylphenols partial elimination observed within 35 km examined study, while acids a significant formation observed. polyethoxylates found to be at considerable concentrations sediments (0.24–13.1 mg/kg).
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