The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.
Destruction of Perfluorooctane Sulfonate (PFOS) and Perfluorooctanoic Acid (PFOA) by Ball Milling
Abstract
Perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA) have received high concerns due to their extreme persistence, and very few technologies have been reported for their complete destruction. For sound PFCs wastes disposal, mechanochemical method was employed using a planetary ball mill. Potassium hydroxide (KOH) was identified as the best comilling reagent and nearly complete destruction of both PFOS and PFOA was realized. The measured water-soluble fluoride accounted for most of the organic fluorine. The final products of PFOS after treatment were shown to be KF and K2SO4 by XRD analysis. The mass ratio between PFOS and KOH significantly affected the fluoride recovery but not for PFOS destruction and the sulfate recovery. The gradual formation of sulfate and fluoride reveals that the degradation of PFOS is initiated with the dissociation of the sulfonate group. FTIR spectra further showed the disappearance of the -CF3 and -CF2- groups with the generation of sulfate. The cleavage of C-F bonds in PFOS and the formation of fluoride ion were also identified by XPS spectra. On the basis of these results, possible reaction pathways were proposed. The approach was also successfully applied for the destruction of PFOS and PFOA homologues with different chain lengths.
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Cites
Global Distribution of Perfluorooctane Sulfonate in Wildlife
Giesy, J. P., & Kannan, K. (2001) · Environmental Science & Technology · doi:10.1021/es001834k · Cited by 2,750
Polyfluorinated Compounds: Past, Present, and Future
Lindstrom, A. B., Strynar, M. J., & Libelo, E. L. (2011) · Environmental Science & Technology · doi:10.1021/es2011622 · Cited by 1,628
Conder, J. M., Hoke, R. A., Wolf, W. D., Russell, M. H., & Buck, R. C. (2008) · Environmental Science & Technology · doi:10.1021/es070895g · Cited by 1,206
A first global production, emission, and environmental inventory for perfluorooctane sulfonate
Paul, A. G., Jones, K. C., & Sweetman, A. J. (2009) · Environmental Science & Technology · doi:10.1021/es802216n · Cited by 1,096
Perfluoroalkyl acids in the Atlantic and Canadian arctic oceans
Benskin, J. P., Muir, D. C. G., Scott, B. F., Spencer, C., De Silva, A. O., Kylin, H., Martin, J. W., Morris, A., Lohmann, R., Tomy, G., et al. (2012) · Environmental Science & Technology · doi:10.1021/es300578x · Cited by 205
Cited by
A review of emerging technologies for remediation of PFASs
Ross, I., McDonough, J., Miles, J., Storch, P., Thelakkat Kochunarayanan, P., Kalve, E., Hurst, J., S. Dasgupta, S., & Burdick, J. (2018) · Remediation Journal · doi:10.1002/rem.21553 · Cited by 606
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
A review of the emerging treatment technologies for PFAS contaminated soils
Mahinroosta, R., & Senevirathna, L. (2020) · Journal of Environmental Management · doi:10.1016/j.jenvman.2019.109896 · Cited by 352
Degradation and Removal Methods for Perfluoroalkyl and Polyfluoroalkyl Substances in Water
Merino, N., Qu, Y., Deeb, R. A., Hawley, E. L., Hoffmann, M. R., & Mahendra, S. (2016) · Environmental Engineering Science · doi:10.1089/ees.2016.0233 · Cited by 349
Recent Advances on PFAS Degradation via Thermal and Nonthermal Methods
Verma, S., Lee, T., Sahle-Demessie, E., Ateia, M., & Nadagouda, M. N. (2023) · Chemical Engineering Journal Advances · doi:10.1016/j.ceja.2022.100421 · Cited by 187
Metadata
- Authors
- Zhang, K., Huang, J., Yu, G., Zhang, Q., Deng, S., & Wang, B.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-05-28
- Volume
- 47
- Issue
- 12
- Pages
- 6471-6477
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2319875553
- Cited by
- 296
- References
- 5
- FWCI
- 7.15
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhang, K., Huang, J., Yu, G., Zhang, Q., Deng, S., & Wang, B. (2013). Destruction of Perfluorooctane Sulfonate (PFOS) and Perfluorooctanoic Acid (PFOA) by Ball Milling. Environmental Science & Technology. https://doi.org/10.1021/es400346n
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