Determination of Nonylphenols and Nonylphenolethoxylates in Secondary Sewage Effluents

  • C. Schaffner
  • E. Stephanou
  • W. Giger


Nonylphenols and nonylphenolethoxylates with one, two, and three oxyethylene groups were identified in effluents from activated sludge sewage treatment plants. A steam-distillation and solvent-extraction procedure was used to isolate the organic compounds. The complex mixtures of isomers were analyzed by glass capillary gas chromatography/mass spectrometry. Concentrations of 100 to 300 µg of total 4-nonylphenol derivatives per liter effluent were determined in the effluents of three out of six activated sludge treatment plants. Nonionic detergents of the nonylphenolethoxylate type are considered to be precursor chemicals of these refractory compounds.


Activate Sludge Sewage Treatment Plant Oxyethylene Group Sewage Treatment Effluent Domestic Sewage Treatment 
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Copyright information

© ECSC, EEC, EAEC, Brussels and Luxembourg 1982

Authors and Affiliations

  • C. Schaffner
    • 1
  • E. Stephanou
    • 1
  • W. Giger
    • 1
  1. 1.Swiss Federal Institute for water Resources and Water Pollution Control (EAWAG)DübendorfSwitzerland

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