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COBALT LAECHING SOLUTION FOR COBALT CONTAINING WASTES AND RECYCLING METHOD FOR COBALT USING THE SAME
COBALT LAECHING SOLUTION FOR COBALT CONTAINING WASTES AND RECYCLING METHOD FOR COBALT USING THE SAME
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机译:含钴废料的钴浸出液及使用该方法的钴的回收方法
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摘要
The present invention relates to leachate and a method for collecting cobalt by using the same, capable of improving process efficiency and efficiency of collecting the cobalt by performing leaching of the cobalt and selective recovery in one process when the cobalt is collected from wastes including the high-priced cobalt such as a spent lithium-ion battery, a spent cemented carbide tool, and a spent catalyst in large quantities. The leachate according to the present invention is characterized by including oxalic acid, water, and at least one among malic acid or citric acid. [Reference numerals] (AA) Co recovery rate (%);(BB) Example 2;(CC) Comparative example 1;(DD) Comparative example 2
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