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Screening and prioritization of micropollutants in wastewaters from on-site sewage treatment facilities
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering.
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2017 (English)In: Journal of Hazardous Materials, ISSN 0304-3894, Vol. 328, p. 37-45Article in journal (Refereed) Published
Abstract [en]

A comprehensive screening of micropollutants was performed in wastewaters from on-site sewage treatment facilities (OSSFs) and urban wastewater treatment plants (WWTPs) in Sweden. A suspect screening approach, using high resolution mass spectrometry, was developed and used in combination with target analysis. With this strategy, a total number of 79 micropollutants were successfully identified, which belong to the groups of per- and polyfluoroalkyl substances (PFASs), pesticides, phosphorus-containing flame retardants (PFRs) and pharmaceuticals and personal care products (PPCPs). Results from this screening indicate that concentrations of micropollutants are similar in influents and effluents of OSSFs and WWTPs, respectively. Removal efficiencies of micropollutants were assessed in the OSSFs and compared with those observed in WWTPs. In general, removal of PFASs and PFRs was higher in package treatment OSSFs, which are based on biological treatments, while removal of PPCPs was more efficient in soil bed OSSFs. A novel comprehensive prioritization strategy was then developed to identify OSSF specific chemicals of environmental relevance. The strategy was based on the compound concentrations in the wastewater, removal efficiency, frequency of detection in OSSFs and on in silico based data for toxicity, persistency and bioaccumulation potential.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 328, p. 37-45
Keywords [en]
Micropollutants, On-site sewage treatment facilities, Prioritization, Suspect screening, Urban wastewater treatment
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:kth:diva-200854DOI: 10.1016/j.jhazmat.2016.12.055Scopus ID: 2-s2.0-85008625184OAI: oai:DiVA.org:kth-200854DiVA, id: diva2:1071174
Note

QC 20170203

Available from: 2017-02-03 Created: 2017-02-03 Last updated: 2017-02-03Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf