Removal of PFOS, PFOA and other perfluoroalkyl acids at water reclamation plants in South East Queensland Australia

Thompson, Jack, Eaglesham, Geoff, Reungoat, Julien, Poussade, Yvan, Bartkow, Michael, Lawrence, Michael and Mueller, Jochen F. (2011) Removal of PFOS, PFOA and other perfluoroalkyl acids at water reclamation plants in South East Queensland Australia. Chemosphere, 82 1: 9-17. doi:10.1016/j.chemosphere.2010.10.040


Author Thompson, Jack
Eaglesham, Geoff
Reungoat, Julien
Poussade, Yvan
Bartkow, Michael
Lawrence, Michael
Mueller, Jochen F.
Title Removal of PFOS, PFOA and other perfluoroalkyl acids at water reclamation plants in South East Queensland Australia
Journal name Chemosphere   Check publisher's open access policy
ISSN 0045-6535
Publication date 2011-01-01
Year available 2010
Sub-type Article (original research)
DOI 10.1016/j.chemosphere.2010.10.040
Volume 82
Issue 1
Start page 9
End page 17
Total pages 9
Place of publication Oxford, United Kingdom
Publisher Pergamon
Language eng
Formatted abstract
This paper examines the fate of perfluorinated sulfonates (PFSAs) and carboxylic acids (PFCAs) in two water reclamation plants in Australia. Both facilities take treated water directly from WWTPs and treat it further to produce high quality recycled water. The first plant utilizes adsorption and filtration methods alongside ozonation, whilst the second uses membrane processes and advanced oxidation to produce purified recycled water. At both facilities perfluorooctane sulfonate (PFOS), perfluorohexane sulfonate (PFHxS), perfluorohexanoic acid (PFHxA) and perfluorooctanoic acid (PFOA) were the most frequently detected PFCs. Concentrations of PFOS and PFOA in influent (WWTP effluent) ranged up to 3.7 and 16 ng L−1 respectively, and were reduced to 0.7 and 12 ng L−1 in the finished water of the ozonation plant. Throughout this facility, concentrations of most of the detected perfluoroalkyl compounds (PFCs) remained relatively unchanged with each successive treatment step. PFOS was an exception to this, with some removal following coagulation and dissolved air flotation/sand filtration (DAFF). At the second plant, influent concentrations of PFOS and PFOA ranged up to 39 and 29 ng L−1. All PFCs present were removed from the finished water by reverse osmosis (RO) to concentrations below detection and reporting limits (0.4–1.5 ng L−1). At both plants the observed concentrations were in the low parts per trillion range, well below provisional health based drinking water guidelines suggested for PFOS and PFOA.
Keyword Perfluorinated compounds
Tertiary treatment
PFOS
PFOA
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Mon, 04 Apr 2011, 23:30:34 EST