Coolant for aluminium dross

Details Coolant for aluminium dross Coolant for aluminium dross

C - Chemistry, Metallurgy

22

B

53/246

C22B 21/00 (2006.01)

Patent

CA 2009337

TITLE: Coolant for aluminium dross ABSTRACT The invention relates to a coolant of aluminium dross, which used in separating and recovering metallic aluminium involved in the dross which is formed when aluminium and aluminium alloys are molten. The coolant consists of 4-60% by weight of a crabonaceous material wherein the particles whose size is 2-7 mm in diameter are not less than 50% by weight, and 4-60% by weight of at least one of obsidian, perlite, vermiculite and natural pumice whose particle size is 2-7 mm in diameter. Alternately, the coolant consists of 20-50% by weight of the carbonaceous material wherein the particles whose size 2-7 mm in diameter are not less than 50% by weight, 20-50% by weight of at least of obsidian, perlite, vermiculite and natural pumice whose particle size is 2-7 mm in diameter, and not more than 30% by weight of at least one of SiC or metal oxides such as of A?, Si Zr, Cr and Zn. Preferably, said carbonaceous material is at least one of coke and charcoal.

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