Characterization of a new ceramic membrane of microfiltration with a flexible stainless steel metallic support

被引:1
作者
Palacio, L [1 ]
Prádanos, P [1 ]
Calvo, JI [1 ]
Hernández, A [1 ]
机构
[1] Univ Valladolid, Fac Ciencias, Dept Termodinam & Fis Aplicada, Valladolid 47071, Spain
来源
BOLETIN DE LA SOCIEDAD ESPANOLA DE CERAMICA Y VIDRIO | 1999年 / 38卷 / 02期
关键词
porous materials; membranes; computerized analysis of AFM images; air liquid porosimetry; mercury porosimetry;
D O I
10.3989/cyv.1999.v38.i2.975
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
In this work we present the characterization of a ceramic flexible membrane, made by Synthesechemie(R), with a nominal pore size of 0.45 mu m. This membrane consists in an alpha-alumina porous support which has an embedded stainless steel metallic network, onto what a selective layer of titanium dioxide has been deposited. Membrane characterization has been realized with the aid of several techniques as: atomic force microscopy (AFM), air-liquid displacemente porosimetry and mercury porosimetry. Each tecnique giving information on different aspects: surface characteristics, bulk pores and active pores. Although the total pore size distribution is rather broad, the active pores (those opened to flux) present a narrow distribution with a mean pore size very close to the manufacturer nominal value.
引用
收藏
页码:117 / 120
页数:4
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