Recovery of Copper(II) and Nickel(II) from Plating Wastewater by Solvent Extraction

›› 2011, Vol. 19 ›› Issue (6): 926-930.

Recovery of Copper(II) and Nickel(II) from Plating Wastewater by Solvent Extraction

李立清^1,2, 钟宏¹, 曹占芳¹, 袁露¹

1. School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China;
2. School of Metallurgical and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 34100, China

收稿日期:2010-11-19 修回日期:2011-08-17 出版日期:2011-12-28 发布日期:2012-04-24
通讯作者: ZHONG Hong, E-mail: zhonghongcsu@163.com
基金资助:
Supported by the National Key Technologies Research and Development Program of China during the 11th Five-Year Plan Period (2007BAB22B01);the Young Science Foundation of Jiangxi Province Education Office (GJJ11124)

Recovery of Copper(II) and Nickel(II) from Plating Wastewater by Solvent Extraction

LI Liqing^1,2, ZHONG Hong¹, CAO Zhanfang¹, YUAN Lu¹

1. School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China;
2. School of Metallurgical and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 34100, China

Received:2010-11-19 Revised:2011-08-17 Online:2011-12-28 Published:2012-04-24
Supported by:
Supported by the National Key Technologies Research and Development Program of China during the 11th Five-Year Plan Period (2007BAB22B01);the Young Science Foundation of Jiangxi Province Education Office (GJJ11124)

摘要/Abstract

摘要： The solvent extraction technology was applied to recover Cu²⁺ and Ni²⁺ from plating wastewater. Lix984N was chosen as the extractant due to its good extraction performance. The influence parameters were examined. The results show that the separation of Cu²⁺ and Ni²⁺ from sulphate medium can be realized by adjusting pH value with the help of Lix984N. For extracting Cu²⁺ and Ni²⁺, the optimal pH values are 4 and 10.5, and the maximal extraction percentages are 92.9% and 93.0%, respectively. With recovered Cu²⁺ and Ni²⁺ stripped in 170 g·L^-1 and 200 g·L^-1 H₂SO₄ medium, the stripping percentages of Cu²⁺ and Ni²⁺ are 92.9% and 93.0%, respectively. This method is simple and can be used to recover Cu²⁺ and Ni²⁺ from plating wastewater. And a flow sheet for separation of Cu²⁺ and Ni²⁺ is presented.

关键词: recovery, copper, nickel, solvent extraction, plating wastewater

Abstract: The solvent extraction technology was applied to recover Cu²⁺ and Ni²⁺ from plating wastewater. Lix984N was chosen as the extractant due to its good extraction performance. The influence parameters were examined. The results show that the separation of Cu²⁺ and Ni²⁺ from sulphate medium can be realized by adjusting pH value with the help of Lix984N. For extracting Cu²⁺ and Ni²⁺, the optimal pH values are 4 and 10.5, and the maximal extraction percentages are 92.9% and 93.0%, respectively. With recovered Cu²⁺ and Ni²⁺ stripped in 170 g·L^-1 and 200 g·L^-1 H₂SO₄ medium, the stripping percentages of Cu²⁺ and Ni²⁺ are 92.9% and 93.0%, respectively. This method is simple and can be used to recover Cu²⁺ and Ni²⁺ from plating wastewater. And a flow sheet for separation of Cu²⁺ and Ni²⁺ is presented.

Key words: recovery, copper, nickel, solvent extraction, plating wastewater

李立清, 钟宏, 曹占芳, 袁露. Recovery of Copper(II) and Nickel(II) from Plating Wastewater by Solvent Extraction[J]. , 2011, 19(6): 926-930.

LI Liqing, ZHONG Hong, CAO Zhanfang, YUAN Lu. Recovery of Copper(II) and Nickel(II) from Plating Wastewater by Solvent Extraction[J]. , 2011, 19(6): 926-930.

参考文献

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Recovery of Copper(II) and Nickel(II) from Plating Wastewater by Solvent Extraction

Recovery of Copper(II) and Nickel(II) from Plating Wastewater by Solvent Extraction

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