Title:
METHOD FOR PROCESSING BY-PRODUCT OF HYDROMETALLURGICAL PROCESS OF ZINC WITH REDUCED CARBON EMISSION
Document Type and Number:
WIPO Patent Application WO/2023/243874
Kind Code:
A1
Abstract:
A method for processing by-product of a hydrometallurgical process of zinc according to one embodiment of the present invention can comprise a pressure-leaching step in which lead/silver-containing by-product generated in the final leaching step of the hydrometallurgical process of zinc is pressure-leached in an autoclave so that zinc and iron content in the leached residue is each less than 1 wt%.
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| WO/2004/059018 | RECOVERING METALS FROM SULFIDIC MATERIALS |
Inventors:
CHOI HEON SIK (KR)
LEE HYUN (KR)
LEE HYUN (KR)
Application Number:
PCT/KR2023/006543
Publication Date:
December 21, 2023
Filing Date:
May 15, 2023
Export Citation:
Assignee:
KOREA ZINC CO LTD (KR)
International Classes:
C22B3/00; C22B3/06; C22B9/02
Foreign References:
| JP2004292901A | 2004-10-21 | |||
| JP2008081766A | 2008-04-10 | |||
| KR100729192B1 | 2007-06-19 | |||
| JPH0790404A | 1995-04-04 | |||
| JPH06212304A | 1994-08-02 | |||
| KR102519487B1 | 2023-04-10 |
Attorney, Agent or Firm:
CHANG, Duck Soon et al. (KR)
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