Method of reducing the sodium content in aluminium and...

Details Method of reducing the sodium content in aluminium and... Method of reducing the sodium content in aluminium and...

C - Chemistry, Metallurgy

22

B

53/246

C22B 21/06 (2006.01) C22C 1/02 (2006.01) C22C 1/06 (2006.01)

Patent

CA 1103934

ABSTRACT The present invention relates to a method of reducing the Na content in a bath of liquid aluminum, either alloyed or not alloyed, in particular a magnesium-alloyed aluminum, by using a melt-treatment in a vacuum furnace known per se characterized in that at least during part of the furation of the vacuum treatment there is brought to reaction in the vacuum furnace a halogen or halogen compound which has a greater affinity to sodium than aluminum and/or its alloying elements.

290750

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