Manufacturing Method of Highly Purified Nickel Sulfate from the raw materials of Nickel Cobalt and Manganese Mixed Sulfide Precipitation

摘要

The present invention relates to a method for manufacturing nickel sulfate used for secondary battery cathode materials, industrial electrolytic nickel plating, and electroless nickel plating, and more particularly, nickel and cobalt containing calcium under a continuous process including a recycling process. And manganese-mixed sulfide raw materials extract more than 97% of nickel, minimize the use of organic solvents and discharge of wastewater, and additionally recover cobalt, zinc, and manganese components as by-products, and produce high-purity sodium sulfate. It relates to a method for producing a possible high purity nickel sulfate.