Title:
SOLVENT EXTRACTION METHOD FOR SELECTIVELY RECOVERING NICKEL, COBALT AND MANGANESE
Document Type and Number:
WIPO Patent Application WO/2023/195565
Kind Code:
A1
Abstract:
The present invention relates to a solvent extraction method for selectively recovering nickel, cobalt and manganese, and, more specifically, to a solvent extraction method for selectively recovering nickel, cobalt and manganese, the method comprising: recovering manganese (Mn) through a first solvent extraction step by using a starting material containing nickel (Ni), cobalt (Co) and manganese (Mn); recovering nickel (Ni) through a second solvent extraction step; and recovering cobalt (Co) through a third solvent extraction step, thereby enabling all of three types of valuable metals to be selectively recovered individually.
Inventors:
KIM DONG HEE (KR)
KIM YONG HUN (KR)
KIM WOO JIN (KR)
KIM YONG HUN (KR)
KIM WOO JIN (KR)
Application Number:
PCT/KR2022/005239
Publication Date:
October 12, 2023
Filing Date:
April 12, 2022
Export Citation:
Assignee:
ECOPRO MAT CO LTD (KR)
International Classes:
C22B3/08; C22B3/00; C22B47/00
Foreign References:
| KR102245002B1 | 2021-04-27 | |||
| KR101535250B1 | 2015-07-08 | |||
| JP2020105598A | 2020-07-09 | |||
| KR102324910B1 | 2021-11-12 | |||
| US20110135547A1 | 2011-06-09 |
Attorney, Agent or Firm:
IAM PATENT & LAW FIRM (KR)
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