US 12,221,716 B2
Method of manufacturing copper sulfate electrolyte
Je Joong Lee, Seoul (KR); Gyun Hu, Ulsan (KR); and Jong Hwan Yoon, Ulsan (KR)
Assigned to KOREA ZINC CO., LTD., Seoul (KR); and KZAM CORPORATION, Ulsan (KR)
Appl. No. 18/547,654
Filed by KOREA ZINC CO., LTD., Seoul (KR); and KZAM Corporation, Ulsan (KR)
PCT Filed Mar. 29, 2023, PCT No. PCT/KR2023/004178
§ 371(c)(1), (2) Date Aug. 23, 2023,
PCT Pub. No. WO2024/005307, PCT Pub. Date Jan. 4, 2024.
Claims priority of application No. 10-2022-0078819 (KR), filed on Jun. 28, 2022.
Prior Publication US 2024/0229277 A1, Jul. 11, 2024
Int. Cl. B22F 9/08 (2006.01); C25D 3/38 (2006.01)
CPC C25D 3/38 (2013.01) 11 Claims
OG exemplary drawing
 
1. A copper sulfate electrolyte production method, comprising:
melting a raw material containing copper (Cu) in a melting furnace to produce molten copper;
spraying the molten copper with an atomizer to produce copper powder;
dissolving the copper powder in an input solution in a leaching reactor to form a copper sulfate solution;
removing impurities from the copper sulfate solution; and
mixing an electrolytic cell circulation liquid with the copper sulfate solution from which the impurities are removed in an electrolytic cell to prepare an electrolytic feed solution,
wherein an average particle size of the produced copper powder is 2 mm, and
wherein the produced copper powder is of a plate shape or a floral shape.