Elaboration and characterization of porous ceramics based on granitic sand using an extrusion process.

被引：14
|
作者：
Rakib, S
Sghyar, M
Rafiq, M
Cot, D
Larbot, A
Cot, L
机构：
[1] ENSCM UM II, CNRS, UMR 5635, LMPM, F-34296 Montpellier 5, France
[2] Fac Sci, Lab Mat Protect Environn, Fes, Morocco
来源：
ANNALES DE CHIMIE-SCIENCE DES MATERIAUX | 2000年 / 25卷 / 07期
关键词：
D O I：
10.1016/S0151-9107(01)80011-8
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Elaboration and characterization of porous ceramics based on granitic sand using an extrusion process. During this work, new porous ceramics based on granitic sand were prepared and their properties were characterized The choice of this material is based on its natural abundance (low price). Powders mixed with certain organic additives can be extruded to fabricate a porous tabular configuration with a highly uniform porous structure. The sintering temperatures lay between 960 and 1070 degreesC. A ceramic membrane fired at 1040 degreesC had a mean pore diameter of 10 mum and the porosity was 45%. The obtained results allow to conclude that granitic sand membranes can be used both in tangential microfiltration and as supports of ultrafiltration.
引用
收藏
页码：567 / 576
页数：10
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