A MICROPOROUS ZIRCONIA MEMBRANE PREPARED BY THE SOL-GEL PROCESS FROM ZIRCONYL OXALATE

被引：44

作者：

ETIENNE, J ^{[1
]}

LARBOT, A ^{[1
]}

JULBE, A ^{[1
]}

GUIZARD, C ^{[1
]}

COT, L ^{[1
]}

机构：

[1] ECOLE NATL SUPER CHIM MONTPELLIER,PHYSICOCHIM MAT LAB,CNRS,URA 1312,F-34053 MONTPELLIER 01,FRANCE

来源：

JOURNAL OF MEMBRANE SCIENCE | 1994年 / 86卷 / 1-2期

关键词：

MEMBRANE; DEXTRAN; ZIRCONIA; ALUMINA; OXALATE; FILTRATION; SOL-GEL;

D O I：

10.1016/0376-7388(93)E0141-6

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

We have prepared a zirconia membrane by the sol-gel process, that is potentially active in the low-ultrafiltration or high-nanofiltration range. The precursor is a dried gel available as a powder, which leads to a sol when added to water. Coatings of tubular ceramic supports by slip-casting have been successfully performed. Characterization was made by scanning electron microscopy, nitrogen adsorption-desorption and filtration of dextran. This zirconia membrane has pores of similar to 4 nm diameter and also retention properties for dextran molecules of molecular weight higher than 10,000 daltons.

引用

页码：95 / 102

页数：8

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