Zinc salt recovery from electroplating industry wastes by electrodialysis enhanced with complex formation

被引：16
|
作者：
Babilas, Dorota [1 ]
Dydo, Piotr [1 ]
机构：
[1] Silesian Tech Univ, Fac Chem, Dept Inorgan Analyt Chem & Electrochem, B Krzywoustego 6, PL-44100 Gliwice, Poland
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2020年 / 55卷 / 12期
关键词：
Electrodialysis with complex formation; zinc salt recovery; desalination; waste electroplating baths; ICP-OES; ION-EXCHANGE MEMBRANES; METAL-IONS; PREFERENTIAL TRANSPORT; NICKEL; WATER; SEPARATION; WASTEWATERS; EXTRACTION; REMOVAL;
D O I：
10.1080/01496395.2019.1664582
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this work, the possibility and effectiveness of a zinc salt recovery from simulated zinc electroplating wastes by electrodialysis enhanced with citric acid were discussed. It was concluded that zinc recovery exceeded 86%, with current efficiency in the range from 84.9% to 93.7%. Moreover, high iron retention coefficients equal to 92.4% and 94.5% respectively for experiments were observed. Lower value of retention coefficient was determined for copper ions (72.7% and 58%). It was found that electrodialysis enhanced with complex formation can be used for selective zinc recovery from wastewater.
引用
收藏
页码：2250 / 2258
页数：9
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