Nickel extraction from nickel matte

Mineral Processing and Technology International Conference 2017

Subagja, R.^1

Research Centre for Metallurgy and Material LIPI, Gd. 470, Kawasan Puspiptek, Tangerang Selatan, Indonesia^1

关键词: Copper cementation;    Dissolution process;    Electron probe micro analyzer;    Nickel chloride solutions;    Nickel extraction;    Research activities;    Selective precipitation;    Spent electrolytes;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/285/1/012001/pdf
DOI  :  10.1088/1757-899X/285/1/012001

来源: IOP

【 摘 要 】

In present work, the results of research activities to make nickel metal from nickel matte are presented. The research activities were covering a) nickel matte characterization using Inductively Couple plasma (ICP), Electron Probe Micro Analyzer (EPMA) and X-Ray Diffraction (XRD), b) nickel matte dissolution process to dissolve nickel from nickel matte into the spent electrolyte solutions that contains hydrochloric acid, c) purification of nickel chloride leach solution by copper cementation process to remove copper using nickel matte, selective precipitation process to remove iron, solvent extraction using Tri normal octyl amine to separate cobalt from nickel chloride solutions and d) Nickel electro winning process to precipitate nickel into the cathode surface from purified nickel chloride solution by using direct current. The research activities created 99, 72 % pure nickel metal as the final product of the process.