Title:
METHOD FOR REMOVING IMPURITIES, METHOD FOR PRODUCING ALUMINUM-BASED ALLOY, AND METHOD FOR PRODUCING ALUMINUM-BASED ALLOY MATERIAL
Document Type and Number:
WIPO Patent Application WO/2023/079851
Kind Code:
A1
Abstract:
An object of the present invention is to provide a method for removing impurities that is capable of efficiently removing impurities mixed in aluminum or an aluminum alloy while reducing the environmental load. A method for removing impurities according to an embodiment of the present invention comprises a mixing step for mixing Mg or a Mg alloy into a molten metal including aluminum or an aluminum alloy and impurities so that the content of Mg in the molten metal is 5-18% by mass, a holding step for holding the molten metal after the mixing step in the range of 530-700°C, and a separation step for separating intermetallic compounds generated in the holding step from the molten metal or in the molten metal.
Inventors:
KOMORI KOHEI
YAMAGUCHI KATSUHIRO
MASADA KAZUHARU
YAMAGUCHI KATSUHIRO
MASADA KAZUHARU
Application Number:
PCT/JP2022/035024
Publication Date:
May 11, 2023
Filing Date:
September 20, 2022
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
C22B21/06; C22B7/00; C22B9/10
Domestic Patent References:
| WO2019198476A1 | 2019-10-17 |
Foreign References:
| JP6800128B2 | 2020-12-16 | |||
| JPH02500600A | 1990-03-01 |
Attorney, Agent or Firm:
IKEDA Yoshinori (JP)
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