Superhydrophobic and Superoleophilic PVDF Membranes for Effective Separation of Water-in-Oil Emulsions with High Flux

A superhydrophobic‐superoleophilic PVDF membrane is fabricated via an inert solvent‐induced phase inversion for effective separation of both micrometer and nanometer‐sized surfactant‐free and surfactant‐stabilized water‐in‐oil emulsions solely driven by gravity, with high separation efficiency (oil...

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Published inAdvanced materials (Weinheim) Vol. 25; no. 14; pp. 2071 - 2076
Main Authors Zhang, Wenbin, Shi, Zhun, Zhang, Feng, Liu, Xia, Jin, Jian, Jiang, Lei
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 11.04.2013
WILEY‐VCH Verlag
Subjects
Ammonia - chemistry
emulsion separation
Emulsions
Emulsions - chemistry
Flux
high flux
Hydrophobic and Hydrophilic Interactions
Inert
Membranes
Micrometers
Oils - chemistry
Phase inversion
Polyvinylidene fluorides
Polyvinyls - chemistry
PVDF membranes
Separation
superhydrophobic-superoleophilic
Water - chemistry
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Summary:A superhydrophobic‐superoleophilic PVDF membrane is fabricated via an inert solvent‐induced phase inversion for effective separation of both micrometer and nanometer‐sized surfactant‐free and surfactant‐stabilized water‐in‐oil emulsions solely driven by gravity, with high separation efficiency (oil purity in filtrate after separation > 99.95 wt%) and high flux, which is several times higher than those of commercial filtration membranes and reported materials with similar permeation properties.
Bibliography:istex:957DED53E3959EF2561E00E07E7907E7A006E787
ark:/67375/WNG-WVL067D3-C
ArticleID:ADMA201204520
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ObjectType-Article-2
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ISSN:0935-9648
1521-4095
1521-4095
DOI:10.1002/adma.201204520