THE DEVELOPMENT OF A PERMEABILITY THEORY APPLIED TO CONCENTRATED SUSPENSIONS

被引：4

作者：

AZIZI, J ^{[1
]}

ALEXANDER, KS ^{[1
]}

DOLLIMORE, D ^{[1
]}

MURTHY, AS ^{[1
]}

TATA, SS ^{[1
]}

机构：

[1] UNIV TOLEDO,COLL PHARM,TOLEDO,OH 43606

来源：

COLLOIDS AND SURFACES | 1992年 / 62卷 / 1-2期

关键词：

CONCENTRATED SUSPENSIONS; HINDERED SETTLING; KOZENY-CARMAN EQUATION; PERMEABILITY; RICHARDSON-ZAKI EQUATION;

D O I：

10.1016/0166-6622(92)80031-V

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The problem concerned with delineating the behavior of concentrated suspensions may provide an opportunity to interpret the data by applying the Kozeny-Carman equation. This permeability equation is correlated with the Richardson-Zaki expression, and enables the variation of the Kozeny parameter, k, with suspension porosity to be established under sedimentation conditions. The variation of k with suspension composition is provided. The value of k previously determined when this method was applied to a wide variety of suspensions was shown to be greater than the approximate value of 5 normally quoted. The previous finding that the maximum sedimentation mass-transfer rate will never occur at a solids concentration greater than 25% vol. is tested using the experimental results.

引用

页码：1 / 9

页数：9

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