Differential scanning calorimetry characterization of water-in-oil emulsions from Mexican crude oils

被引：0
|
作者：
Javier A. Díaz-Ponce
Eugenio A. Flores
Alfonso Lopez-Ortega
Jose G. Hernández-Cortez
Arquimides Estrada
Laura V. Castro
Flavio Vazquez
机构：
[1] Instituto Mexicano del Petróleo,Programa de Ingeniería Molecular
[2] Escuela Superior de Ingeniería Química e Industrial Extractivas,undefined
[3] Instituto Politécnico Nacional,undefined
[4] Unidad Profesional “Adolfo López Mateos”,undefined
来源：
Journal of Thermal Analysis and Calorimetry | 2010年 / 102卷
关键词：
DSC; Water–oil emulsions; Mexican crude oils;
D O I：
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中图分类号：
学科分类号：
摘要：
A simplified equation relating water droplet size distribution to crystallization temperature, determined from differential scanning calorimetry (DSC) curves of aqueous emulsions of petroleum is reported in this article. A series of water-in-oil (W/O) emulsions was prepared by dispersion of water in different Mexican crude oils; in a classical DSC experiment, these emulsions were submitted to a regular heating and cooling cycle within temperatures including freezing and heating of dispersed water. The Z-average diameters of the water drops (Ddz) were estimated this way and correlated with petroleum composition.
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页码：899 / 906
页数：7
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