Title:
VALUABLE METAL RECOVERY METHOD USING SOLVENT EXTRACTION FROM ZINC AND COPPER WASTE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2023/182562
Kind Code:
A1
Abstract:
The present invention relates to a method for recovering, at a high level of purity, valuable metals contained in waste product powder by selectively removing impurities therefrom by means of leaching, purification, and solvent extraction in order to reuse the waste product, the method allowing removal of impurities such as iron, aluminum, and manganese, and recovery of highly pure valuable metals, such as zinc and copper, by means of selective recovery.
Inventors:
KIM MYONG JUN (KR)
YANG WON MO (KR)
SEO EUN AE (KR)
YANG WON MO (KR)
SEO EUN AE (KR)
Application Number:
PCT/KR2022/004967
Publication Date:
September 28, 2023
Filing Date:
April 06, 2022
Export Citation:
Assignee:
UNIV NAT CHONNAM IND FOUND (KR)
International Classes:
C22B3/08; C22B15/00
Foreign References:
| KR20140026859A | 2014-03-06 | |||
| JP2007154234A | 2007-06-21 | |||
| KR102283027B1 | 2021-07-28 | |||
| KR20120055365A | 2012-05-31 |
Other References:
ZHANG, ERJUN ET AL.: "Selective separation of copper and zinc from high acid leaching solution of copper dust using a sulfide precipitation-pickling approach", PROCESS SAFETY AND ENVIRONMENTAL PROTECTION, vol. 156, 8 October 2021 (2021-10-08), pages 100 - 108, XP086872359, DOI: 10.1016/j.psep.2021.10.001
Attorney, Agent or Firm:
IAM PATENT & LAW FIRM (KR)
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