Mass transfer with chemical reaction in conditions of spontaneous interfacial convection in processes of liquid extraction

被引：20
|
作者：
Ermakov, SA [1 ]
Ermakov, AA [1 ]
Chupakhin, ON [1 ]
Vaissov, DV [1 ]
机构：
[1] Urals State Tech Univ, Dept Chem Engn, Ekaterinburg 620002, Russia
来源：
CHEMICAL ENGINEERING JOURNAL | 2001年 / 84卷 / 03期
关键词：
mass transfer; spontaneous interfacial convection; Marangoni effect; phase resistance; surface activity;
D O I：
10.1016/S1385-8947(00)00379-X
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The paper investigates mass transfer with a chemical reaction in conditions of spontaneous interfacial convection (Marangoni effect). It is shown that a chemical reaction changes the ratio of phase resistance, with the result that the balance of forces at the surface is disturbed and interfacial instability is initiated. The effect of the concentration and the surface activity of a transferred reagent on the conditions of initiation of interfacial instability and the intensity of interfacial convection has been investigated. The determining parameters are the ratio of phase resistances, the surface activity and the concentration of a transferred reagent. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：321 / 324
页数：4
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