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Preparation and characterization of high flux ultrafiltration composite membrane based on nanofibrous substrate and cellulose acetate coating

資料類型：

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關鍵詞：

cellulose acetate nanofibrous substrate ultrafiltration high flux

資料大小：

713K

所屬學科：

分子表征

來源：

2009先進纖維與聚合物材料國際學術會議（ICAFPM，10.21-10.24，上海）

簡介：

Highfluxultrafiltration(UF)membranesbasedonelectrospunpolyacrylonitrile(PAN)nanofibroussubstratesandcelluloseacetate(CA)hydrophiliccoatingshavebeendemonstrated.Scanningelectronmicroscopy(SEM)wasusedtoexaminethesurfaceandcrosssectionalmorphologiesofthesecompositemembranes.Theresultsshowedthatthesurfaceofthemembraneswasflatandsmooth,andtheCAcoatingwaspenetratedintotheelectrospunnanofibroussubstrate.ConcentrationeffectofCAinthecoatingsolutiononfiltrationpropertiesofthecompositemembraneswasinvestigated.Theexperimentalresultsshowedthatthecompositemembraneof10wt%CAcoatingsolutionpossessedhighwaterflux(310L·m-2·h-1)withgoodorganicrejectionrate(95.5%)foroil/wateremulsionseparation,andthecompositemembranesperformedhigherrejectionrateandlowerfluxwiththeCAconcentrationincreasing.

作者：

WEI Jielin, WANG Xuefen, ZHANG Kai, ZHOU Kun

上傳時間：

2010-03-24 14:49:09

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guoyanghuawu 2014-03-21 12:09:00

it is not clear to illustrate process of production

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