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240503s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c00482
|2 doi
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|a pubmed24n1407.xml
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|a eng
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|a Gotad, Pratik S
|e verfasserin
|4 aut
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|a Separation of Perfluorooctanoic Acid from Water Using Meso- and Macroporous Syndiotactic Polystyrene Gels
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 14.05.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Per- and polyfluoroalkyl substances are an emerging class of contaminants that are environmentally persistent, bioaccumulative, and noxious to human health. Among these, perfluorooctanoic acid (PFOA) molecules are widely found in ground and surface water sources. A novel high surface area, meso- and macroporous syndiotactic polystyrene (sPS) wet gel is used in this work as the adsorbent of PFOA molecules from water at environmentally relevant PFOA concentrations (≤1 μg/L) and cleanse water to below the U.S. EPA's 2023 health advisory limit of 4 parts per trillion (ppt). The sigmoidal shape of the PFOA adsorption isotherm indicates a two-step adsorption mechanism attributed to the strong affinity of PFOA molecules for the sPS surface and molecular aggregation at solid-liquid interfaces or within the pores of the sPS wet gel. The adsorption kinetics and the effects of sPS wet gel porosity, pore size, and pore volume on the removal efficiency are reported. The adsorption kinetics is seen to be strongly dependent on pore size and pore volume
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|a Journal Article
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|a Bochenek, Calum
|e verfasserin
|4 aut
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|a Wesdemiotis, Chrys
|e verfasserin
|4 aut
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|a Jana, Sadhan C
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 40(2024), 19 vom: 14. Mai, Seite 10208-10216
|w (DE-627)NLM098181009
|x 1520-5827
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|g volume:40
|g year:2024
|g number:19
|g day:14
|g month:05
|g pages:10208-10216
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|u http://dx.doi.org/10.1021/acs.langmuir.4c00482
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