The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Behavior and Fate of PFOA and PFOS in Sandy Aquifer Sediment
Abstract
Microcosms were constructed with sediment from beneath a landfill that received waste containing PFOA (perfluorooctanoic acid) and PFOS (perfluorooctane sulfonate). The microcosms were amended with PFOA and PFOS , and sampled after 91, 210, 343, 463, 574, and 740 d of incubation. After 740 d, selected microcosms were extracted to determine the mass of PFOA and PFOS remaining. There was no evidence for degradation of PFOA or PFOS . Over time, the aqueous concentrations of PFOA and PFOS increased in the microcosms, indicating that PFOA and PFOS that had originally sorbed to the sediment was desorbing. At the beginning of the experiment, the adsorption coefficient, K d , averaged 0.27 L/kg for PFOA and 1.2 L/kg for PFOS . After 740 d of incubation, sorption of PFOA was not detectable and the K d of PFOS was undetectable in two microcosms and was 0.08 L/kg in a third microcosm. During incubation, the pH of the pore water in the microcosms increased from pH 7.2 to pH ranging from 8.1 to 8.8. The zeta potential of the sediment decreased with increasing pH . These observations suggest that the sorption of PFOA and PFOS at near neutral pH was controlled by the electrostatic sorption on ferric oxide minerals, and not by the sorption to organic carbon. Accurate predictions of PFOA and PFOS mobility in ground water should be based on empirical estimates of sorption using affected aquifer sediment.
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“Critical factors investigated for PFAS include the magnitude and nature of organic carbon, magnitude and type of metal oxides, and clay mineralogy (Higgins and Luthy, 2006, Liu and Lee, 2007, Ferrey et al., 2012, Milinovic et al., 2015, Zhang et al., 2015).”
From Assessing the potential contributions of additional retention processes to PFAS retardation in the subsurface (2018) · cites this paper as Ferrey et al., 2012
In the citing paper
“However, the sorption of ionizable PFAS can be influenced by electrostatic interactions, based on the properties of the functional group(s) of the PFAS (Higgins and Luthy, 2007, Johnson et al., 2007, Ferrey et al., 2012, Du et al., 2014, Zhao et al., 2014, Hellsing et al., 2016, Merino et al., 2016).”
From Assessing the potential contributions of additional retention processes to PFAS retardation in the subsurface (2018) · cites this paper as Ferrey et al., 2012
Citations
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Nakayama, S. F., Strynar, M. J., Reiner, J. L., Delinsky, A. D., & Lindstrom, A. B. (2010) · Environmental Science & Technology · doi:10.1021/es100382z · Cited by 122
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Bolan, N., Sarkar, B., Yan, Y., Li, Q., Wijesekara, H., Kannan, K., Tsang, D. C. W., Schauerte, M., Bosch, J., Noll, H., et al. (2021) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2020.123892 · Cited by 375
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Adsorption of PFOA at the air-water interface during transport in unsaturated porous media
Lyu, Y., Brusseau, M. L., Chen, W., Yan, N., Fu, X., & Lin, X. (2018) · Environmental Science & Technology · doi:10.1021/acs.est.8b02348 · Cited by 259
Xiao, F., Jin, B., Golovko, S. A., Golovko, M. Y., & Xing, B. (2019) · Environmental Science & Technology · doi:10.1021/acs.est.9b05379 · Cited by 197
Ahmed, M. B., Johir, M. A. H., McLaughlan, R., Nguyen, L. N., Xu, B., & Nghiem, L. D. (2020) · Science of The Total Environment · doi:10.1016/j.scitotenv.2020.141251 · Cited by 177
Metadata
- Authors
- Ferrey, M. L., Wilson, J. T., Adair, C., Su, C., Fine, D. D., Liu, X., & Washington, J. W.
- Venue
- Groundwater Monitoring & Remediation
- Publisher
- Wiley
- Published
- 2012-05-04
- Volume
- 32
- Issue
- 4
- Pages
- 63-71
- ISSN
- 1069-3629
- 1745-6592
- Cited by
- 39
- References
- 3
- Language
- en
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- The paper
- Ferrey, M. L., Wilson, J. T., Adair, C., Su, C., Fine, D. D., Liu, X., & Washington, J. W. (2012). Behavior and Fate of PFOA and PFOS in Sandy Aquifer Sediment. Groundwater Monitoring & Remediation. https://doi.org/10.1111/j.1745-6592.2012.01395.x
