EFFECT OF OIL VISCOSITY ON THE RHEOLOGY OF OIL-IN-WATER EMULSIONS WITH ADDED SOLIDS

被引：8

作者：

YAN, YH ^{[1
]}

MASLIYAH, JH ^{[1
]}

机构：

[1] UNIV ALBERTA,DEPT CHEM ENGN,EDMONTON T6G 2G6,ALBERTA,CANADA

来源：

CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 1993年 / 71卷 / 06期

关键词：

D O I：

10.1002/cjce.5450710605

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This paper reports an experimental study on the effect of oil viscosity on the rheology of oil-in-water (o/w) emulsions with added solids. Four oils having a viscosity range of 0.0024 to 306 Pa . s were used. The size ratio of the solids to oil droplets was varied from 2 to 16. The addition of smaller size solids to the emulsions yielded a higher viscosity than that of larger solids at the same solids volume fraction. However, when the solids were sufficiently large such that the emulsions behaved as a continuous phase towards the solids, the viscosity of the emulsion-solids mixtures tended to be independent of the solids size. The critical size ratio of the solids to oil droplets, above which the emulsions behaved as a continuous phase towards the solids, increased with the oil viscosity. The critical size ratio varied between 3 and 10.

引用

页码：852 / 858

页数：7

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