SORPTION OF COPPER AND ZINC FROM AQUEOUS SULFATE-SOLUTIONS WITH BIS(2-ETHYLHEXYL)PHOSPHORIC ACID-IMPREGNATED MACROPOROUS RESIN

被引：34
|
作者：
JUANG, RS
SU, JY
机构：
[1] Department of Chemical Engineering, Yuan-Ze Institute of Technology, Taoyuan, Nei-Li
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 1992年 / 31卷 / 12期
关键词：
D O I：
10.1021/ie00012a023
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Equilibrium studies were thermodynamically made for the sorption of divalent copper and zinc ions from aqueous sulfate solutions with bis(2-ethylhexyl)phosphoric acid-impregnated hydrophobic macroporous resins, by employing either Bromley or the simplified Pitzer equations to estimate the stoichiometric activity coefficient of various species in the aqueous phase. The mechanisms of copper and zinc sorption were found to be the same as those of the solvent extraction. The operating lifetime of the impregnated resin and the influence of preparation method on the impregnation capacity, as well as the effects of aqueous ionic strength and temperature on the sorption equilibrium, were also examined.
引用
收藏
页码：2774 / 2779
页数：6
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