Investigation of nonylphenol and nonylphenol ethoxylates in sewage sludge samples from a metropolitan wastewater treatment plant in Turkey


Omeroglu S. , Murdoch F. K. , Sanin F. D.

TALANTA, vol.131, pp.650-655, 2015 (Journal Indexed in SCI) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 131
  • Publication Date: 2015
  • Doi Number: 10.1016/j.talanta.2014.08.014
  • Title of Journal : TALANTA
  • Page Numbers: pp.650-655
  • Keywords: Nonylphenol, Nonylphenol monoethoxylate, Nonylphenol diethoxylate, Gas chromatography-mass spectrometry, Sewage sludge, ENDOCRINE-DISRUPTING COMPOUNDS, CHROMATOGRAPHY-MASS SPECTROMETRY, POLYCHLORINATED-BIPHENYLS, ALKYLPHENOL ETHOXYLATES, ENVIRONMENTAL MATRICES, DEGRADATION PRODUCTS, POLYETHOXYLATES, GAS, METABOLITES, MUNICIPAL

Abstract

Nonylphenol ethoxylates (NPEOs) have drawn significant attention within the last decade for both scientific and legislative reasons. In Turkey, the Regulation Regarding the Use of Domestic and Urban Sludges on Land states a limit value for the sum of nonylphenol (NP), nonylphenol monoethoxylate (NP1EO) and nonylphenol diethoxylate (NP2EO) as NPE (NPE=NP+NP1EO+NP2EO). Unfortunately a standard method for the determination of these chemicals has not been yet set by the authorities and no data exists about the concentrations of NP and NPEOs in sewage sludge in Turkey. The aim of this study is to propose simple and easily applicable extraction and measurement techniques for 4-n-nonylphenol (4-n-NP), NP, NP1EO and NP2EO in sewage sludge samples and investigate the year round concentrations in a Metropolitan Wastewater Treatment Plant (WWTP) in Turkey.