Detections of alkyl-phenoxy-benzenesulfonates in municipal wastewater

Chemosphere
Dale R Van StempvoortWatershed Hydrology and Ecology Research Division

Abstract

This study presents the first reported detections and concentrations of alkyl phenoxy-benzenesulfonate surfactants (APBS) in municipal wastewater. A semi quantitative direct injection LC/MS/MS method was developed. Samples of raw influent and final effluent were obtained from fourteen municipal wastewater treatment plants (WWTPs) at various locations in Canada and were analyzed for APBS, including five homologues of monoalkyldiphenylether disulfonates (MADS) and one monoalkyldiphenylether sulfonate (MAMS) homologue. APBS were detected in all 42 of the wastewater raw influent samples and in 37 of the 42 wastewater final effluent samples; the other 5 final effluent samples had trace levels below the minimum detection limit. In the samples of raw influent from the fourteen municipal treatment plants, the dissolved concentrations of APBS (total) ranged from 0.9 to 13.6 μg/L. In samples of final effluent from the same plants the total APBS ranged from below detection to 4 μg/L. The APBS were more resistant to loss during wastewater treatment compared to previous studies of linear alkylbenzene sulfonates in wastewaters. The most effective wastewater treatments for removal of APBS were those that involved either secondary treatment wi...Continue Reading

References

Nov 20, 2002·Environment International·Tibor CserhátiGyula Oros
Feb 7, 2003·Applied and Environmental Microbiology·David SchleheckAlasdair M Cook
Jul 9, 2004·Journal of Contaminant Hydrology·Jaehyun ChoP Suresh C Rao
Feb 4, 2010·Environmental Science & Technology·Pablo A Lara-MartínEduardo González-Mazo
Jul 27, 2015·Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences·Julia RossmannWilhelm Kirch

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