Method and device for a dry cleansing plant for aluminum reduction furnaces exhaust gas
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United States of America Patent
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Apr 27, 2004
Grant Date -
N/A
app pub date -
May 14, 2001
filing date -
Sep 17, 1998
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Abstract
Methods and apparatus are provided, which separate out at least a portion of fine dust, including fluoride, from recycled alumina. The difference in natural drop velocity and flow properties of fine and coarse particles is used to effect the separation.
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