The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.
Sorption of short- and long-chain perfluoroalkyl surfactants on sewage sludges
Abstract
Perfluoroalkyl surfactants (PASs) have attracted increasing concerns in recent years due to their global distribution, persistence, bioaccumulation and potential toxicity. Since sludge was a significant source of PASs to environment, the sorption of short (C2-C6) and long-chain (C7-C15) PASs on different sewage sludge was investigated in this study. The equilibrium data were well represented by the Freundlich isotherm and were generally nonlinear. In order to elucidate the sorption mechanism of PASs to sludge, effect of sludge property, solution chemistry and molecular structure were also investigated in details. The dominant sludge parameter influencing sorption of PASs was protein in extracellular polymeric substances. The sorption of PASs onto sludge increased as solution pH decreased. For all the PASs homologues, enhanced adsorption occurred with increasing calcium concentration in solution. For PASs with C5-C15, sorption on sludge increases with increasing alkyl chain length, while for PASs with C2-C5, the association of sludge decreases when the alkyl chain length increases. The perfluorinated sulfonic acid (PFSA) demonstrated substantially stronger sorption than perfluorinated carboxylic acid (PFCA) analog. Evidence for both hydrophobic and electrostatic interactions was found.
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In the citing paper
“This is because Kd is a variable that depends on the physical, chemical, and biological conditions of the water body and varies within and among aquatic ecosystems (Zhang et al., 2013;Johansson et al., 2001).”
From Short- and long-chain perfluoroalkyl substances in the water, suspended particulate matter, and surface sediment of a turbid river (2016) · cites this paper as Zhang et al., 2013
In the citing paper
“PFPeA and PFHxA are found to be biodegradation products of 6:2 FTS and 6:2 FTOH (Wang et al., 2011b; Zhang et al., 2013);”
From Occurrence of per- and polyfluorinated alkyl substances in wastewater treatment plants in Northern Italy (2023) · cites this paper as Zhang et al., 2013
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Adsorption behavior and mechanism of perfluorinated compounds on various adsorbents—A review
Du, Z., Deng, S., Bei, Y., Huang, Q., Wang, B., Huang, J., & Yu, G. (2014) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2014.04.038 · Cited by 1,236
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Short-chain perfluoroalkyl acids: environmental concerns and a regulatory strategy under REACH
Brendel, S., Fetter, É., Staude, C., Vierke, L., & Biegel-Engler, A. (2018) · Environmental Sciences Europe · doi:10.1186/s12302-018-0134-4 · Cited by 810
Lenka, S. P., Kah, M., & Padhye, L. P. (2021) · Water Research · doi:10.1016/j.watres.2021.117187 · Cited by 755
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Metadata
- Authors
- Zhang, C., Yan, H., Li, F., Hu, X., & Zhou, Q.
- Affiliations
- Tongji University (CN)
- Corresponding author
- Zhang, Chaojie
- Li, Fei
- Venue
- Journal of Hazardous Materials
- Publisher
- Elsevier BV
- Published
- 2013-09
- Volume
- 260
- Pages
- 689-699
- ISSN
- 0304-3894 (ISSN-L)
- OpenAlex
- W2079387648
- Cited by
- 182
- References
- 32
- Citations by year
- 2026: 14 · 2025: 26 · 2024: 25 · 2023: 30 · 2022: 27 · 2021: 15 · 2020: 5 · 2019: 7 · 2018: 9 · 2017: 4 · 2016: 9 · 2015: 4 · 2014: 7
- FWCI
- 5.32
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Hazardous Materials (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Science Foundation of China (21177094, 41271465, 51108197)
- State Key Laboratory of Pollution Control and Resource Reuse (PCRRK09004)
- Fundamental Research Funds for the Central Universities (040021211)
- Topics
- Physical Sciences › Environmental Science › Environmental Chemistry › Per- and polyfluoroalkyl substances research
- Physical Sciences › Environmental Science › Environmental Chemistry › Environmental Chemistry and Analysis
- Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
- Keywords
- sewage sludge, sorption, Freundlich isotherm, extracellular polymeric substances, protein content, pH effect, calcium, alkyl chain length, perfluorinated sulfonic acids, hydrophobic interactions, electrostatic interactions, sludge dewatering
- MeSH terms
- Adsorption, Calcium, Carbohydrates, Carbon, Carboxylic Acids, China, Hydrogen-Ion Concentration, Kinetics, Sewage, Sodium, Surface-Active Agents, Temperature, Time Factors, Waste Disposal, Fluid, Water Pollutants, Chemical, Water Purification, Static Electricity, Wastewater
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