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The preparation and characterization of ceramic composite tubular membrane

資料類型：

PDF文件

關(guān)鍵詞：

sol-gel method ceramic composite tubular membrane dip-coating

資料大小：

3267K

所屬學(xué)科：

分子表征

來(lái)源：

ICAFPM 2011先進(jìn)纖維與聚合物材料國(guó)際學(xué)術(shù)會(huì)議（2011.8.15~17，上海）

簡(jiǎn)介：

Membraneseparationtechnologyhasbeengreatlydevelopedandwidelyusedinfieldsoffood,petrochemical,medicalandwatertreatmentinthepastdecades.Inthisexperiment,theboehmitesolsandmixedsolscontainingPVAwerefirstlypreparedbythesol-gelmethod.Thenthesolsweredepositedonα-Al2O3poroussubstratesbydip-coatingmethod.Aftersintering,thecompositetubularmembraneswithsmoothandcrack-freestructurewereobtained.Themorphologyofcross-sectionandsurfaceofthecompositetubularmembranewerecharacterizedbySEM.ThestructuresofthesolswereinvestigatedbyXRDandFTIR.TheresultsshowthatsmootherandthickerseparationlayerswithoutparticlecanbesuccessfullyobtainedbyusingmixedsolscontainingPVA.Thecompositetubularmembranesarecomposedofα-Al2O3poroussubstratesassupportedlayerandγ-Al2O3denseseparationlayerontheoutersurface.

作者：

TIAN Yu, LIU Pengchao,MA Jinghong, GONG Jinghua, XU Jian

上傳時(shí)間：

2011-10-31 14:26:24

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