Title:
METHOD FOR RECOVERING ALUMINUM COMPONENT FROM MOLTEN ALUMINUM SLAG
Document Type and Number:
Japanese Patent JP2000309832
Kind Code:
A
Abstract:
To provide a method for recovering Al component from slag of molten Al by which the separating efficiency of the slag and the Al is maintained or improved without damaging the basic advantage in the method for treating the slag under high temp. condition.
This method is for separating and recovering the aluminum component from the slag by executing stirring treatment, at the outside of a furnace, to the slag separated and discharged from the molten aluminum in the melting surface. The discharged slag is charged into a vessel and the slag is heated by adding a flux and the stirring of the slag is executed to separate the aluminum component and the slag. The flux is composed of 20-30 wt.% KNO3, 20-30 wt.% AlF3 and the balance KCl.
Inventors:
NAGANO RYOJI
MASUDA JOJI
OSUMI KENJI
MASUDA JOJI
OSUMI KENJI
Application Number:
JP11650499A
Publication Date:
November 07, 2000
Filing Date:
April 23, 1999
Export Citation:
Assignee:
KOBE STEEL LTD
International Classes:
C22B7/00; C22B9/10; C22B21/06; (IPC1-7): C22B21/06; C22B7/00; C22B9/10
Attorney, Agent or Firm:
Akeda Kan