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In situ air-water and particle-water partitioning of perfluorocarboxylic acids, perfluorosulfonic acids and perfluorooctyl sulfonamide at a wastewater treatment plant

Publikation: Beiträge in Zeitschriften › Zeitschriftenaufsätze › Forschung › begutachtet

Standard

In situ air-water and particle-water partitioning of perfluorocarboxylic acids, perfluorosulfonic acids and perfluorooctyl sulfonamide at a wastewater treatment plant. / Vierke, Lena; Ahrens, Lutz; Shoeib, Mahiba et al.
in: Chemosphere, Jahrgang 92, Nr. 8, 08.2013, S. 941-948.

Publikation: Beiträge in Zeitschriften › Zeitschriftenaufsätze › Forschung › begutachtet

Harvard

Vierke, L, Ahrens, L, Shoeib, M, Palm, W-U, Webster, EM, Ellis, DA, Ebinghaus, R & Harner, T 2013, 'In situ air-water and particle-water partitioning of perfluorocarboxylic acids, perfluorosulfonic acids and perfluorooctyl sulfonamide at a wastewater treatment plant', Chemosphere, Jg. 92, Nr. 8, S. 941-948. https://doi.org/10.1016/j.chemosphere.2013.02.067

APA

Vierke, L., Ahrens, L., Shoeib, M., Palm, W.-U., Webster, E. M., Ellis, D. A., Ebinghaus, R., & Harner, T. (2013). In situ air-water and particle-water partitioning of perfluorocarboxylic acids, perfluorosulfonic acids and perfluorooctyl sulfonamide at a wastewater treatment plant. Chemosphere, 92(8), 941-948. https://doi.org/10.1016/j.chemosphere.2013.02.067

Vancouver

Vierke L, Ahrens L, Shoeib M, Palm WU, Webster EM, Ellis DA et al. In situ air-water and particle-water partitioning of perfluorocarboxylic acids, perfluorosulfonic acids and perfluorooctyl sulfonamide at a wastewater treatment plant. Chemosphere. 2013 Aug;92(8):941-948. doi: 10.1016/j.chemosphere.2013.02.067

Bibtex

@article{5ec033f6ad6640fb95e75929e2df334a,
title = "In situ air-water and particle-water partitioning of perfluorocarboxylic acids, perfluorosulfonic acids and perfluorooctyl sulfonamide at a wastewater treatment plant",
abstract = "In situ measurements of air and water phases at a wastewater treatment plant (WWTP) were used to investigate the partitioning behavior of perfluorocarboxylic acids (PFCAs), perfluorosulfonic acids (PFSAs) and perfluorooctyl sulfonamide (HFOSA) and their conjugate bases (PFC -s, PFS -s, and FOSA -, respectively). Particle-dissolved (R d) and air-water (Q AW) concentration ratios were determined at different tanks of a WWTP. Sum of concentrations of C 4-12, 14 PFC(A)s, C 4,6,8,10 PFS(A)s and (H)FOSA were as high as 50pgm -3 (atmospheric gas phase), 2300ngL -1 (aqueous dissolved phase) and 2500ngL -1 (aqueous particle phase). Particle-dissolved concentration ratios of total species, log R d, ranged from -2.9 to 1.3 for PFS(A)s, from -1.9 to 1.1 for PFC(A)s and was 0.71 for (H)FOSA. These field-based values agree well with equilibrium partitioning data reported in the literature, suggesting that any in situ generation from precursors, if they are present in this system, occurs at a slower rate than the rate of approach to equilibrium. Acid Q AW were also estimated. Good agreement between the Q AW and the air-water equilibrium partition coefficient for C 8PFCA suggests that the air above the WWTP tanks is at or near equilibrium with the water. Uncertainties in these Q AW values are attributed mainly to variability in pK a values reported in the literature. The WWTP provides a unique environment for investigating environmental fate processes of the PFCAs and PFSAs under 'real' conditions in order to better understand and predict their fate in the environment.",
keywords = "Chemistry, Fate, Henry's-law, KAW, Kd, PFCA, PFSA, Sustainability Science",
author = "Lena Vierke and Lutz Ahrens and Mahiba Shoeib and Wolf-Ulrich Palm and Webster, {Eva M.} and Ellis, {David A.} and Ralf Ebinghaus and Tom Harner",
year = "2013",
month = aug,
doi = "10.1016/j.chemosphere.2013.02.067",
language = "English",
volume = "92",
pages = "941--948",
journal = "Chemosphere",
issn = "0045-6535",
publisher = "Elsevier Ltd",
number = "8",

}

RIS

TY - JOUR

T1 - In situ air-water and particle-water partitioning of perfluorocarboxylic acids, perfluorosulfonic acids and perfluorooctyl sulfonamide at a wastewater treatment plant

AU - Vierke, Lena

AU - Ahrens, Lutz

AU - Shoeib, Mahiba

AU - Palm, Wolf-Ulrich

AU - Webster, Eva M.

AU - Ellis, David A.

AU - Ebinghaus, Ralf

AU - Harner, Tom

PY - 2013/8

Y1 - 2013/8

N2 - In situ measurements of air and water phases at a wastewater treatment plant (WWTP) were used to investigate the partitioning behavior of perfluorocarboxylic acids (PFCAs), perfluorosulfonic acids (PFSAs) and perfluorooctyl sulfonamide (HFOSA) and their conjugate bases (PFC -s, PFS -s, and FOSA -, respectively). Particle-dissolved (R d) and air-water (Q AW) concentration ratios were determined at different tanks of a WWTP. Sum of concentrations of C 4-12, 14 PFC(A)s, C 4,6,8,10 PFS(A)s and (H)FOSA were as high as 50pgm -3 (atmospheric gas phase), 2300ngL -1 (aqueous dissolved phase) and 2500ngL -1 (aqueous particle phase). Particle-dissolved concentration ratios of total species, log R d, ranged from -2.9 to 1.3 for PFS(A)s, from -1.9 to 1.1 for PFC(A)s and was 0.71 for (H)FOSA. These field-based values agree well with equilibrium partitioning data reported in the literature, suggesting that any in situ generation from precursors, if they are present in this system, occurs at a slower rate than the rate of approach to equilibrium. Acid Q AW were also estimated. Good agreement between the Q AW and the air-water equilibrium partition coefficient for C 8PFCA suggests that the air above the WWTP tanks is at or near equilibrium with the water. Uncertainties in these Q AW values are attributed mainly to variability in pK a values reported in the literature. The WWTP provides a unique environment for investigating environmental fate processes of the PFCAs and PFSAs under 'real' conditions in order to better understand and predict their fate in the environment.

AB - In situ measurements of air and water phases at a wastewater treatment plant (WWTP) were used to investigate the partitioning behavior of perfluorocarboxylic acids (PFCAs), perfluorosulfonic acids (PFSAs) and perfluorooctyl sulfonamide (HFOSA) and their conjugate bases (PFC -s, PFS -s, and FOSA -, respectively). Particle-dissolved (R d) and air-water (Q AW) concentration ratios were determined at different tanks of a WWTP. Sum of concentrations of C 4-12, 14 PFC(A)s, C 4,6,8,10 PFS(A)s and (H)FOSA were as high as 50pgm -3 (atmospheric gas phase), 2300ngL -1 (aqueous dissolved phase) and 2500ngL -1 (aqueous particle phase). Particle-dissolved concentration ratios of total species, log R d, ranged from -2.9 to 1.3 for PFS(A)s, from -1.9 to 1.1 for PFC(A)s and was 0.71 for (H)FOSA. These field-based values agree well with equilibrium partitioning data reported in the literature, suggesting that any in situ generation from precursors, if they are present in this system, occurs at a slower rate than the rate of approach to equilibrium. Acid Q AW were also estimated. Good agreement between the Q AW and the air-water equilibrium partition coefficient for C 8PFCA suggests that the air above the WWTP tanks is at or near equilibrium with the water. Uncertainties in these Q AW values are attributed mainly to variability in pK a values reported in the literature. The WWTP provides a unique environment for investigating environmental fate processes of the PFCAs and PFSAs under 'real' conditions in order to better understand and predict their fate in the environment.

KW - Chemistry

KW - Fate

KW - Henry's-law

KW - KAW

KW - Kd

KW - PFCA

KW - PFSA

KW - Sustainability Science

UR - http://www.scopus.com/inward/record.url?scp=84880044259&partnerID=8YFLogxK

U2 - 10.1016/j.chemosphere.2013.02.067

DO - 10.1016/j.chemosphere.2013.02.067

M3 - Journal articles

C2 - 23561570

AN - SCOPUS:84880044259

VL - 92

SP - 941

EP - 948

JO - Chemosphere

JF - Chemosphere

SN - 0045-6535

IS - 8

ER -

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