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Procedia Environmental Sciences
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Sorption of Perfluorooctane Sulfonate (PFOS) on Electrospun Fiber Membranes

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2013 English Publisher:Elsevier BVJournal:Procedia Environmental Sciences, volume 18, pages 472-477 (issn: 1878-0296, Copyright policy )
Authors: Xu, Jiangjie; Niu, Junfeng; Zhang, Siyuan;

doi: 10.1016/j.proenv.2013.04.063

Sorption of Perfluorooctane Sulfonate (PFOS) on Electrospun Fiber Membranes

Abstract

AbstractPoly(d,l-lactide-co-glycolide) (PLGA) and polyvinyl alcohol (PVA) were used to prepare the electrospun fibers membranes (EFMs) by electrospinning, respectively. These EFMs were used to adsorb perfluorooctane sulfonate (PFOS) from aqueous solution. The sorption kinetics and isotherms of PFOS on EFMs were investigated. The pseudo-first-order model (PFOM) can well describe the sorption kinetics of PFOS on these two types of EFMs. The experimental results show that the sorption capacities of PFOS on PLGA and PVA EFMs are 77.29 and 337.77μg·g-1, respectively. The main sorption mechanisms of PFOS on PLGA EFMs are pore-filling. Moreover, hydrogen bonding interactions exist in the sorption processes of PFOS on PVA EFMs.

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Keywords

sorption kinetics, Perfluorooctane sulfonate, electrospun fibers membranes, sorption isotherms

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    		 13
    popularity
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    		 Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
13
Top 10%
Average
Average
gold