Surface Modification of PS Super-Filtration Membranes with Low Temperature Plasma

Ru Li; Fen Fen Liu; Ji Fei Deng

doi:10.4028/www.scientific.net/AMR.800.606

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 800Surface Modification of PS Super-Filtration...

Surface Modification of PS Super-Filtration Membranes with Low Temperature Plasma

Abstract:

The polysulfone membranes surface modification by the low temperature air plasma for the study. The PS membranes surface composition, filtration, antifouling characteristics with the modification was characterized by water contact angle, water fluxes, interception rate. Polysulfone membranes hydrophilic has been greatly improved, by water contact angle decreased significantly with low temperature air plasma treatment .Optimal conditions for plasma processing are power 60W, 1.5min, vacuum 60Pa.The water fluxes for the modified PS were increased 2.3 times than the nascent one, the interception rate was little changed. Membrane pollution gradually increased as the wastewater permeation flux decreased with time.

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Periodical:

Advanced Materials Research (Volume 800)

Pages:

606-609

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.800.606

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Online since:

September 2013

Authors:

Ru Li, Fen Fen Liu, Ji Fei Deng

Keywords:

Interception Rate, Polysulfone (PS), Surface Modification, Water Contact Angle, Water Flux

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