Separation of Cobalt and Nickel from Sulfate Solutions

被引：0

作者：

Kuang, Lifang ^{[1
]}

Tan, Junyue ^{[1
]}

Liu, Kui ^{[1
]}

机构：

[1] Guangxi Normal Univ, Sch Chem & Pharmaceut Sci, Guilin 541004, Peoples R China

来源：

PROCEEDINGS OF THE 2016 5TH INTERNATIONAL CONFERENCE ON ENERGY AND ENVIRONMENTAL PROTECTION (ICEEP 2016) | 2016年 / 98卷

关键词：

cobalt sulfate; nickel sulfate; sodium hypochlorite; separation;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Separation of cobalt and nickel from sulfate solutions was studied, using the sodium hypochlorite solution as the oxidant of Co2+. The cobalt removal rate reached 98% while Ni2+ was hardly oxidized at 80 degrees C, 1h, pH 2.3 and Co2+/ClO- molar ratio of 1: 15. Solution pH and the amount of ClO- had more significant influences on oxidation of Co2+ and Ni2+. Increasing temperature could improve the filtration performance of the solid product. The Co2+ oxidation product was CoOOH. Adding the sodium hypochlorite solution in more than one times could inhibit the Ni2+ oxidation to NiOOH.

引用

页码：302 / 305

页数：4

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