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
收藏
页码：852 / 858
页数：7
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