Title:
VALUABLE ELEMENT RECOVERY MEHTOD
Document Type and Number:
WIPO Patent Application WO/2023/084947
Kind Code:
A1
Abstract:
Provided is a valuable element recovery method, whereby it becomes possible to obtain a metal containing a valuable metal at a large content. The recovery method includes adding a reducing agent to an oxide containing at least one element selected from the group consisting of nickel and cobalt and heating the resultant mixture to reduce the oxide, in which the reducing agent contains at least one component selected from the group consisting of metal iron and iron oxide, and the amount of the reducing agent to be added is 1.3 equivalents or less.
Inventors:
HINO YUTA (JP)
INOUE YOTARO (JP)
TAKAHASHI KATSUNORI (JP)
INOUE YOTARO (JP)
TAKAHASHI KATSUNORI (JP)
Application Number:
PCT/JP2022/037084
Publication Date:
May 19, 2023
Filing Date:
October 04, 2022
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C22B23/02; B09B3/70; B09B5/00; C22B5/02; C22B5/04; C22B7/00; C22B47/00; H01M10/54
Foreign References:
| JP2004285473A | 2004-10-14 | |||
| JPS5280216A | 1977-07-05 | |||
| JP2017509786A | 2017-04-06 |
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
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