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Title:
METAL LEACHING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/105904
Kind Code:
A1
Abstract:
The present invention provides a method for leaching out a metal contained in a battery powder of lithium ion battery waste into an acidic leaching liquid 21 by bringing the battery powder into contact with the acidic leaching liquid 21 within a leaching container 1. With respect to this method for leaching out a metal, the leaching container 1 has a movable member which is positioned and movable on the liquid level 22 of the acidic leaching liquid 21 retained within the leaching container 1; and when the metal is leached out within the leaching container 1, air bubbles Ba generated in the acidic leaching liquid 21 are broken by the action of the movable member.

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Inventors:
HIGUCHI NAOKI (JP)
Application Number:
PCT/JP2022/037332
Publication Date:
June 15, 2023
Filing Date:
October 05, 2022
Export Citation:
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Assignee:
JX NIPPON MINING & METALS CORP (JP)
International Classes:
C22B7/00; B01D19/02; C22B1/02; C22B3/06; H01M10/54
Foreign References:
JP2016113672A2016-06-23
JP2017147241A2017-08-24
JPS5864120A1983-04-16
JPH0910507A1997-01-14
JP2008296130A2008-12-11
JPH0474501U1992-06-30
JP2021141060A2021-09-16
Attorney, Agent or Firm:
AXIS PATENT INTERNATIONAL (JP)
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