Roaster with stabilized fluidized bed for roasting zinc concentrate
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United States of America Patent
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Dec 30, 2003
Grant Date -
Jul 3, 2003
app pub date -
Jan 18, 2002
filing date -
Dec 1, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed is a fluidized bed roaster with stabilized fluidized bed for roasting zinc concentrate which can have a uniform internal temperature distribution to form a stabilized fluidized bed, thereby dramatically reducing the amount of sulfide sulfur contained in calcine and the amount of fine calcine particle carried over to a gas discharge port.
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