Development of slurry characterization method by constant pressure filtration - Analysis of cake forming behavior

被引：7
|
作者：
Kim, HJ [1 ]
Mori, T [1 ]
Tsubaki, J [1 ]
机构：
[1] Nagoya Univ, Dept Mol Design & Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan
来源：
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 2005年 / 113卷 / 1324期
关键词：
constant-pressure filtration; packing fraction of cake; cake forming behavior; degree of particle; dispersion or flocculation; particle interaction;
D O I：
10.2109/jcersj.113.761
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：
The particle-packing structure of Al2O3 slurry was evaluated by using constant pressure filtration. The influences of initial solid concentration and dispersant amount on the cake forming behavior were discussed. It was shown that the packing fraction of formed cake is almost independent of filtration pressure under 10 vol% of initial solid concentration. However at a relatively high solid concentration (20 and 35 vol%), the packing fraction of cake increased with filtration pressure. The cake forming behavior was classified into four patterns by plotting the resistance of the formed cake as a function of particle volume in the formed cake; the plots were (a) a straight line, (b) a convex curve, (c) a concave curve, and (d) a combination of a concave curve and a flat line. The particle dispersion and flocculate degree were discussed on the basis of the results obtained by constant-pressure filtration.
引用
收藏
页码：761 / 767
页数：7
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