Continuous electro winning of nickel from dilute sulfate solutions

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Sheikh Karami Amirreza; ZAKERI ALIREZA

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Paper Information

Journal: Journal of Advanced Processes in Materials Engineering Year:2019 | Volume:13 | Issue:1 (48) Page(s): 43-56

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Title

Continuous electro winning of nickel from dilute sulfate solutions

Author(s)

Sheikh Karami Amirreza | ZAKERI ALIREZA | Issue Writer Certificate

Keywords

Nickel RecoveryQ1

Continuous Electro winningQ1

Diaphragm CellQ1

Full Factorial DesignQ1

Abstract

Significant amounts of nickel products used in different chemical industries and various applications leave them a valuable source of nickel at the end-of-life. Production of nickel from secondary sources is generally performed through hydro-electrometallurgical methods. The resulting solutions from treatment of secondary nickeliferous resources are generally of low Ni concentration and electro winning of them is challenging, particularly since Ni concentration in commercial operations is usually more than 80 g/L. In this paper, the Continuous Electro winning of nickel from dilute sulfate solutions has been investigated. The effects of four variables of temperature, specific flow rate of electrolyte, current density, and nickel concentration on current efficiency and specific energy consumption were studied by a two-level Full Factorial Design. From the statistical analysis of the results, it was found that current efficiency increases by rising all variables, while specific energy consumption decreases with specific flow rate of electrolyte, current density, and nickel concentration. By using the obtained statistical models, the optimum conditions to achieve a nickel deposit with high current efficiency as well as lowest energy consumption are determined to be 55 ° C of temperature, 3 A/dm2 of current density, 3 h− 1 of electrolyte specific flow rate, and 30 g/L of nickel concentration.

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APA: Copy

Sheikh Karami, Amirreza, & ZAKERI, ALIREZA. (2019). Continuous electro winning of nickel from dilute sulfate solutions. ADVANCED PROCESSES IN MATERIALS, 13(1 (48) ), 43-56. SID. https://sid.ir/paper/172666/en

Vancouver: Copy

Sheikh Karami Amirreza, ZAKERI ALIREZA. Continuous electro winning of nickel from dilute sulfate solutions. ADVANCED PROCESSES IN MATERIALS[Internet]. 2019;13(1 (48) ):43-56. Available from: https://sid.ir/paper/172666/en

IEEE: Copy

Amirreza Sheikh Karami, and ALIREZA ZAKERI, “Continuous electro winning of nickel from dilute sulfate solutions,” ADVANCED PROCESSES IN MATERIALS, vol. 13, no. 1 (48) , pp. 43–56, 2019, [Online]. Available: https://sid.ir/paper/172666/en

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