Mathematical modelling of membrane extraction of gold(III) from hydrochloric acid solutions

被引：52
|
作者：
Kolev, SD
Argiropoulos, G
Cattrall, RW
Hamilton, IC
Paimin, R
机构：
[1] Univ Sofia, Fac Chem, BG-1126 Sofia, Bulgaria
[2] La Trobe Univ, Sch Chem, Bundoora, Vic 3083, Australia
[3] Newcastle Labs, BHP Res, Newcastle, NSW 2287, Australia
[4] Victoria Univ Technol, Dept Chem Sci, Footscray, Vic 3011, Australia
来源：
JOURNAL OF MEMBRANE SCIENCE | 1997年 / 137卷 / 1-2期
关键词：
mathematical modelling; membrane extraction; gold(III) extraction; Aliquat; 336; PVC membrane;
D O I：
10.1016/S0376-7388(97)00209-3
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A mathematical model describing the selective extraction of gold(III) from hydrochloric acid solutions into a membrane consisting of Aliquat 336 chloride immobilized in poly(vinyl chloride) (PVC) is developed. The extraction rate is assumed to be governed by both the rate of chemical reactions occurring at the interface and the diffusion of the Aliquat 336 chloride species within the membrane. The fairly good agreement between the model and experimental results confirms its validity and shows that the model can be used successfully for the mathematical description and optimisation of membrane extraction utilised in analytical and process systems as well as in environmental chemistry. (C) 1997 Elsevier Science B.V.
引用
收藏
页码：261 / 269
页数：9
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