Galvanostatic removal of zinc using copper cathode from waste waters of a viscose production

被引：3

作者：

Dusek, Libor ^{[1
]}

Karaskova, Aneta ^{[1
]}

Kocanova, Veronika ^{[1
]}

Novotn, Ladislav ^{[1
]}

Mikulasek, Petr ^{[1
]}

机构：

[1] Univ Pardubice, Fac Chem Technol, Dept Environm & Chem Engn, Studentska 573, Pardubice 53210, Czech Republic

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2020年 / 864卷

关键词：

Galvanostatic deposition; Zinc; Industrial waste waters; ACTIVATED CARBON; IONS; LEAD;

D O I：

10.1016/j.jelechem.2020.114069

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A study of galvanostatic conditions for removing zinc by using a copper cathode vs. platinum anode in the models and real industrial waters (containing ca 100 mg L-1 zinc sulphate) fromviscose productions was performed. The amount m(Zn) of deposited Zn, its concentration cZn decrease, pH (between 2 and 6.5) as well as an electric conductivity kappa (0.5 to 5 mScm(-1)) of treated aqueous solutions dependent on time t (between 0 and 5 h) at selected current densities i (from 1 to 50 mA cm(-2)) were registered. The way of testing effects of the applied current densities and time or present pH, potential interferences etc. has been suggested. On the bases of the evaluation or fitting experimental data, an optimum of technological conditions were recommended and discussed.

引用

页数：7

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