Development and characterization of ceramic nanofiltration membranes

被引：107

作者：

Benfer, S ^{[1
]}

Popp, U ^{[1
]}

Richter, H ^{[1
]}

Siewert, C ^{[1
]}

Tomandl, G ^{[1
]}

机构：

[1] Tech Univ Bergakad Freiberg, Inst Keram Werkstoffe, D-09596 Freiberg, Germany

来源：

SEPARATION AND PURIFICATION TECHNOLOGY | 2001年 / 22-3卷 / 1-3期

关键词：

ceramic membranes; nanofiltration; polymeric sol; sol-gel process; membrane characterization;

D O I：

10.1016/S1383-5866(00)00133-7

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Ceramic ZrO2 and TiO2 nanofiltration membranes were produced by using a polymeric sol gel route. The influence of different parameters like additives and solvents onto the hydrolysis and polycondensation properties of the sols was studied by IR- and NMR-spectroscopy and viscosity measurements. The prepared ceramic membranes were characterized by different methods. Structure and phases were investigated by X-ray diffraction, thickness and qualify by the aid of SEM and FESEM. The membranes exhibit an average pore size in the range of 1-2 nn as determined from N-2-adsorprion-desorption measurements. The filtration properties of the membranes were examined by filtration tests with two colouring agents. A cut-off value of less than 1000 Da was determined. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：231 / 237

页数：7

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