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Title:
VALUABLE ELEMENT RECOVERY METHOD AND METAL PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2024/024589
Kind Code:
A1
Abstract:
Provided is a valuable element recovery method that can recover not only valuable elements but also lithium. The recovery method involves: adding, to oxides including lithium and at least one element selected from the group consisting of nickel and cobalt, a reducing agent and a slag forming agent containing CaO and SiO2; and applying heat to the mixture to reduce the oxides. The CaO and SiO2 are contained in the slag forming agent at a mass ratio (CaO/SiO2) of 0.50 or less.

More Like This:
WO/2022/200747PYROMETALLURGICAL METHOD FOR RECYCLING SHREDDED MATERIAL OF WASTE FROM THE PRODUCTION OF NEW AND DEFECTIVE OR END-OF-LIFE BATTERIES FOR ELECTRIC VEHICLES OR PORTABLE LI-ION BATTERIES
JPS5838499[Title of the Invention] The electroslag refining method of nickel oxidation ore
Inventors:
HINO YUTA (JP)
INOUE YOTARO (JP)
TAKAHASHI KATSUNORI (JP)
Application Number:
PCT/JP2023/026385
Publication Date:
February 01, 2024
Filing Date:
July 19, 2023
Export Citation:
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Assignee:
JFE STEEL CORP (JP)
International Classes:
C22B23/02; C22B5/02; C22B5/04; C22B5/10; H01M10/54
Domestic Patent References:
WO2016141875A12016-09-15
Foreign References:
CN104611566A2015-05-13
JP2022015535A2022-01-21
JP2021095628A2021-06-24
JP2021031762A2021-03-01
JP2022117640A2022-08-12
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
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