Cited by 241

Increasing ionic strength and valency of cations enhance sorption through hydrophobic interactions of PFAS with soil surfaces

Cai, Wenwen, Navarro, Divina A., Du, Jun, Ying, Guangguo, Yang, Bin, McLaughlin, Mike J., Kookana, Rai S.·2022·Science of The Total Environment

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Crossref · 10.1016/j.scitotenv.2022.152975

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9 of 9 references verified0 citation errors · 0 not checkable

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  • As the size of microplastics and the chain length of PFAS increase, their adsorption increases due to larger binding surfaces for adsorption to occur.

    “Additionally, as the size of microplastics (Padervand et al., 2020) and length of PFAS (Cai et al., 2022) increase so does their adsorption due to larger binding surfaces for adsorption to occur.”

    From Review of emerging contaminants in green stormwater infrastructure: antibiotic resistance genes, microplastics, tire wear particles, PFAS, and temperature (2024) · cites this paper as Cai et al., 2022

    Section 3.1 reports that PFAS sorption to soil increased with perfluorocarbon chain length. It attributes the increase to greater hydrophobicity with each added CF₂ group, not to larger binding surfaces. The separate microplastics claim is cited to Padervand et al., not Cai et al. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • Nonpolar ARGs, microplastics, tire wear particles, and PFAS can be adsorbed quickly because they are hydrophobic and tend to have an affinity towards hydrophobic media pores or to adsorb into amendment compounds.

    “Nonpolar ARGs (Christou et al., 2017), micro­ plastics (Padervand et al., 2020), tire wear particles (Huang et al., 2023), and PFAS (Cai et al., 2022) can be adsorbed quickly as these contami­ nants are hydrophobic and tend to have an affinity towards hydrophobic media pores or to adsorb into amendment compounds.”

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Cites

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Research works printed but not linked: 2

  1. OECD/OCDE, 2000. OECD text no. 106: adsorption -desorption using a batch equilibrium method. https://www.oecd-ilibrary.org/environment/test-no-106-adsorption-desorption- using-a-batch-equilibrium-method_9789264069602-en. (Accessed October 2021). OECD/UNEP Global PFC Group, 2013. United nations environment programme: synthesis paper on per-and polyfluorinated chemicals (PFCs), environment, health and safety, en- vironment directorate, OECD. IOMC inter-organization program. Sound Manag. Chem. 1-58.
  2. Zhang, D.Q., Zhang, W.L., Liang, Y.N., 2019. Adsorption of perfluoroalkyl and polyfluoroalkyl substances (PFASs) from aqueous solution -a review. Sci. Total Environ. 694, 133606.

Cited by

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Authors
Cai, W., Navarro, D. A., Du, J., Ying, G., Yang, B., McLaughlin, M. J., & Kookana, R. S.
Venue
Science of The Total Environment
Publisher
Elsevier BV
Published
2022-04
Volume
817
Pages
152975
ISSN
0048-9697
Cited by
241
References
9
Language
en
Funders
  • Commonwealth Scientific and Industrial Research Organisation
  • China Scholarship Council

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