Title:
METHOD FOR RECOVERING VALUABLE METAL, AND MAGNESIA REFRACTORY MATERIAL
Document Type and Number:
Japanese Patent JP2021155761
Kind Code:
A
Abstract:
To provide a method for inexpensively recovering valuable metal by using a long-life refractory material, and a long-life refractory material that is used when recovering valuable metal.SOLUTION: A method for recovering valuable metal including the following processes: a process of preparing a charging material including at least valuable metal and lithium (Li); and a process of applying oxidation treatment and reducing/melting treatment to the charging material to obtain a reduced object including molten alloy and slag, in which an object to be treated is heated in a heating furnace when performing the reducing/melting treatment, and the heating furnace has a magnesia refractory material containing a carbonaceous component.SELECTED DRAWING: Figure 2
Inventors:
NAGAKURA TOSHIHIKO
MANO TAKUMI
MAEBA KAZUYA
MANO TAKUMI
MAEBA KAZUYA
Application Number:
JP2020053830A
Publication Date:
October 07, 2021
Filing Date:
March 25, 2020
Export Citation:
Assignee:
SUMITOMO METAL MINING CO
International Classes:
C22B15/00; B09B3/00; C04B35/043; C22B7/00; C22B23/02; H01M10/54
Domestic Patent References:
| JP2019135321A | 2019-08-15 | |||
| JP2002316865A | 2002-10-31 | |||
| JPH04280858A | 1992-10-06 | |||
| JP2010132516A | 2010-06-17 | |||
| JP2002249371A | 2002-09-06 |
Foreign References:
| US5028570A | 1991-07-02 |
Attorney, Agent or Firm:
Masayuki Masabayashi
Hayashi Ichiyoshi
Hayashi Ichiyoshi