Manganese-lithium separation process and pre-extraction solution preparation process in comprehensive recovery of ternary battery wastes, and method for comprehensive recovery of cobalt, nickel, manganese and lithium elements from ternary battery wastes

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PATENT NO 12218322
APP PUB NO 20220166079A1
SERIAL NO

17569584

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A manganese-lithium separation process and a pre-extraction solution preparation process in comprehensive recovery of ternary battery wastes, and a method for comprehensive recovery of cobalt, nickel, manganese and lithium elements from the ternary battery wastes, relates to a method for recycling battery wastes. According to the present disclosure, cobalt and nickel ions are separated from an impurity-removed solution by a hydrolysis method; manganese, lithium and other ions in the impurity-removed solution are free from an extraction procedure, so that most manganese ions are separated and removed by a wet method before extraction, to prevent the manganese ions from entering the extraction system; nickel ions are free from an extraction procedure of full extraction and full back-extraction; and nickel hydroxide is directly precipitated after related impurities are removed by extraction.

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Patent Owner(s)

  • HUNAN JIN YUAN NEW MATERIALS JOINT STOCK COMPANY LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Sanxian Yiyang, CN 1 5
Dong, Xiongwu Yiyang, CN 6 6
Liu, Xijuan Yiyang, CN 6 9
Liu, Xunbing Yiyang, CN 10 9
Luo, Chun Yiyang, CN 20 66
Ouyang, Jianjun Yiyang, CN 15 26
Wu, Shanmu Yiyang, CN 6 6
Zhang, Chaowen Yiyang, CN 3 5
Zhao, Xiangping Yiyang, CN 1 5
Zhou, Quncheng Yiyang, CN 6 6

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