Methane hydrate formation and an inward growing shell model in water-in-oil dispersions

被引：261
|
作者：
Turner, Douglas J. [1 ]
Miller, Kelly T. [1 ]
Sloan, E. Dendy [1 ]
机构：
[1] Colorado Sch Mines, Dept Chem Engn, Golden, CO 80401 USA
来源：
CHEMICAL ENGINEERING SCIENCE | 2009年 / 64卷 / 18期
关键词：
Methane hydrate; Particle formation; Emulsion; Diffusion; Multiphase flow; Mass transfer; ETHANE; DROPLETS; GROWTH;
D O I：
10.1016/j.ces.2009.05.051
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Significant factors controlling gas hydrate growth in water and water-in-oil dispersions have been tested. In particular, the influence of shear rate, presence of oil, and thermodynamic driving force (represented by pressure supersaturation) on hydrate growth rates is included. Formation rates in water show some discrepancy compared to previous work, which is likely caused by differences in the apparatus geometries. A model is proposed for growth of hydrate in oil, in which a hydrate shell forms on a water droplet, followed by additional conversion of the water core to hydrate. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3996 / 4004
页数：9
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