Title:
METHOD FOR PREPARING COPPER SULFATE ELECTROLYTIC SOLUTION
Document Type and Number:
WIPO Patent Application WO/2024/005307
Kind Code:
A1
Abstract:
A method for manufacturing an electrolytic copper foil, according to one embodiment of the present invention, comprises: a copper melting step of melting, in a melting furnace, a material containing copper (Cu), thereby preparing molten copper; an atomizing step of spraying the molten copper with an atomizer, thereby preparing a copper powder; a leaching step of dissolving the copper powder in a leaching process injection solution in a leaching tank, thereby forming a copper sulfate solution; a purification and filtration step of removing the impurities contained in the copper sulfate solution; and a conditioning step of mixing, in an electrolytic bath, an electrolytic bath circulation solution and the copper sulfate solution from which the impurities have been removed, thereby preparing an electrolytic feed solution.
Inventors:
LEE JE JOONG (KR)
HU GYUN (KR)
YOON JONG HWAN (KR)
HU GYUN (KR)
YOON JONG HWAN (KR)
Application Number:
PCT/KR2023/004178
Publication Date:
January 04, 2024
Filing Date:
March 29, 2023
Export Citation:
Assignee:
KOREA ZINC CO LTD (KR)
KZAM CORP (KR)
KZAM CORP (KR)
International Classes:
C01G3/10; C25D3/38
Foreign References:
| JP2009035799A | 2009-02-19 | |||
| JPH04209718A | 1992-07-31 | |||
| JP2020084226A | 2020-06-04 | |||
| JPH05262523A | 1993-10-12 | |||
| KR20020003454A | 2002-01-12 | |||
| KR102476685B1 | 2022-12-13 | |||
| KR101465457B1 | 2014-11-27 | |||
| KR101043398B1 | 2011-06-22 | |||
| KR101837307B1 | 2018-03-12 | |||
| KR101191715B1 | 2012-10-16 | |||
| KR101465457B1 | 2014-11-27 | |||
| KR101043398B1 | 2011-06-22 | |||
| KR101837307B1 | 2018-03-12 | |||
| KR101191715B1 | 2012-10-16 |
Attorney, Agent or Firm:
CHANG, Duck Soon et al. (KR)
Download PDF: