Method of processing hot dross of aluminum resulting from an alu

Details Method of processing hot dross of aluminum resulting from an alu Method of processing hot dross of aluminum resulting from an alu

1993-11-12

1995-08-08

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Compositions

Solid treating composition for liquid metal or charge

75672, C22B 700

Patent

active

054395011

ABSTRACT:
A method of processing hot dross resulting from an aluminum smelting process is carried out as follows. First, the hot dross is filled in a hollow container which has a porous bottom plate closing a bottom opening of the container. A solid plate is placed on the filled hot dross. Then, an impact load is applied successively on the hot dross via the solid plate by an appropriate hammer mechanism. By the application of successive impact load, the air and aluminum content in a molten state are expelled from the dross and discharged through the porous bottom plate. The resultant solidified dross contains metal aluminum content without oxidized or nitrided, and therefore is suitable for use as a deoxidant utilized in deoxidizing process of oxidation smelting of steel.

REFERENCES:
patent: 4565572 (1986-01-01), van Linden
patent: 4575392 (1986-03-01), Julliard

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