Title:
METHOD FOR RECOVERING VALUABLE METAL, AND MAGNESIA REFRACTORY MATERIAL
Document Type and Number:
Japanese Patent JP2021155762
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 boron component.SELECTED DRAWING: Figure 1
Inventors:
NAGAKURA TOSHIHIKO
MANO TAKUMI
MANO TAKUMI
Application Number:
JP2020053831A
Publication Date:
October 07, 2021
Filing Date:
March 25, 2020
Export Citation:
Assignee:
SUMITOMO METAL MINING CO
International Classes:
C22B15/00; B09B3/00; C22B7/00; C22B23/02
Attorney, Agent or Firm:
Masayuki Masabayashi
Hayashi Ichiyoshi
Hayashi Ichiyoshi