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Title:
METHOD FOR RECOVERING VALUABLE SUBSTANCE
Document Type and Number:
WIPO Patent Application WO/2023/276790
Kind Code:
A1
Abstract:
This method for recovering valuable substance involves a reducing agent mixing step S150 in which a reducing agent is mixed with a valuable substance-containing material obtained from a secondary battery and a reducing step S190 in which the obtained mixture is heated and subjected to reduction treatment, and further involves a water treatment step in which, prior to the reducing step S190, the valuable substance-containing material is brought into contact with a water-containing liquid.

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Inventors:
URATA KENTARO
O SHORIN
Application Number:
PCT/JP2022/024751
Publication Date:
January 05, 2023
Filing Date:
June 21, 2022
Export Citation:
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Assignee:
KOBE STEEL LTD (JP)
International Classes:
C22B7/00; C22B5/04; C22B5/10; C22B23/02
Domestic Patent References:
WO2020013294A12020-01-16
Foreign References:
JP2019094536A2019-06-20
JP2020169357A2020-10-15
CN107012332A2017-08-04
Attorney, Agent or Firm:
YAMAO, Norihito (JP)
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