Wetting and deterging effects of a surfactant in the breakdown of water-oil emulsions

被引：0
|
作者：
R. M. Fatkhutdinova
R. F. Khamidullin
I. K. Kiyamov
M. R. Khamidi
L. I. Kiyamova
机构：
[1] Almetyevsk State Oil Institute,
[2] Kazan State Technological University,undefined
[3] NOA “Rostekhekspertiza”,undefined
[4] Moscow State Technical University,undefined
来源：
Chemistry and Technology of Fuels and Oils | 2013年 / 49卷
关键词：
water-oil emulsion; demulsifier; mechanical impurities; deterging effect; wetting; adsorption layer;
D O I：
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中图分类号：
学科分类号：
摘要：
The deterging effect and wetting capacity of some widely used commercial surfactants and demulsifiers are examined and studied from the standpoint of the oilfield treatment of crude oil. The deterging effect of surfactants of various structures is shown to be selective in washing off disperse particles of mechanical paraffin, resin, and asphaltene impurities from the surface. New methods are proposed for determining the deterging effect of surfactacts in oil-bearing disperse systems. The mechanism of breakdown of the structure of disperse particles surrounded by a hydrocarbon adsorption layer under the action of detergents is described. The studies identified a number of surfactants that have an intrinsically pronounced deterging effect.
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页码：313 / 322
页数：9
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