Method of processing hot dross of aluminum resulting from an aluminum smelting process and a deoxidant obtained from said method
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United States of America Patent
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Aug 8, 1995
Grant Date -
N/A
app pub date -
Nov 12, 1993
filing date -
Dec 24, 1992
priority date (Note) -
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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.
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