Method for recovering cobalt nickel through electrolytic manganese industrial ion exchange method

Abstract

The invention relates to a method for recovering cobalt nickel through an electrolytic manganese industrial ion exchange method. The used resin is a macroporous polystyrene chelating resin and has an iminodiacetic acid chelation group, the selectivity on metal ion is similar to that of ethylene diamine tetraacetic acid (EDTA), cobalt and nickel ion resins in the solution are adsorbed into the resin in a coordination bond form, the cobalt and nickel ion concentration is monitored at the tail water outlet, the adsorbed tail water enters a transfer pool for transferring, and the water can enter an electrolysis process. When the resin adsorption is saturated, the resin is desorbed and transformed, and the desorption solution is an enriched cobalt-and nickel-containing solution and is further and deeply processed into a cobalt and nickel product. After transformation, the resin is regenerated and enters the next work cycle. The used chelating resin has high selective adsorption on the cobalt and nickel ions, the cobalt and nickel ions are preferentially adsorbed in a high-concentration manganese solution, and the resin has high adsorption capacity.

Description

technical field [0001] The invention belongs to the technical field of chemistry and relates to a method for recovering cobalt and nickel by an electrolytic manganese industrial ion exchange method. Background technique [0002] Cobalt is a small metal that plays an important role in industrial applications. It is known as "industrial monosodium glutamate" and "industrial teeth". It is one of the important strategic resources and a very scarce resource. [0003] The important use of cobalt is in the production of superalloys, heat-resistant and corrosion-resistant alloys, hard alloys, super hard alloys and magnetic materials, especially in the military industry (manufacturing armor-piercing bullets and protective armor) and the aviation industry (engines). role. Cobalt is the most important metal in lithium-ion batteries. With the expansion of the lithium-ion battery market, the demand for cobalt metal is also increasing. In addition, the use of cobalt as a catalyst for pet...

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Problems solved by technology

[0015] In order to solve the above-mentioned target industry is the electrolytic manganese industry, in its hydrometallurgy process, because there are many associated cobalt and nickel in the raw ore, it is leached synchronously with it in the leaching process, and the manganese sulfate solution contains heavy metal ions such as cobalt and nickel, which will affect the electrolytic metal. The deposition of manganese causes the technical problems of decreased current efficiency, low output and high cost. The invention provides a method for reclaiming cobalt and nickel by electrolytic manganese industrial ion exchange method, which is to remove cobalt and nickel impurities and enrich Method for collecting cobalt and nickel

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