THE COMPETITIVE PERMEATION OF COBALT AND NICKEL WITH SUPPORTED LIQUID MEMBRANES

被引：8
作者：
JUANG, RS
LIANG, JF
机构：
[1] Department of Chemical Engineering, Yuan-Ze Institute of Technology, Taiwan 32026, Nei-Li, Taoyuan
来源：
CHEMICAL ENGINEERING COMMUNICATIONS | 1993年 / 126卷
关键词：
COMPETITIVE PERMEATION; SUPPORTED LIQUID MEMBRANE; COBALT; NICKEL; 2-ETHYLHEXYLPHOSPHONIC ACID MONO-2-ETHYLHEXYL ESTER;
D O I：
10.1080/00986449308936207
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
In this paper, the competitive permeation of cobalt and nickel from nitrate solutions through supported liquid membranes was studied, in which contained 2-ethylhexylphosphonic acid mono-2-ethylhexyl ester (HEHEHP) dissolved in kerosene as a mobile carrier. The permeation rate equations were derived taking into account the aqueous film diffusion of metal ions towards and out of the membrane and the membrane diffusion of HEHEHP and its metal complexes. The mass transfer coefficients of metal ions and metal-HEHEHP complexes were also determined using the permeation cell. It was found that the calculated permeation rates were in good agreement with the measured ones.
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页码：13 / 25
页数：13
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