Process for beneficiating particulate solids
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United States of America Patent
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Jan 25, 1994
Issued Date -
N/A
app pub date -
Mar 12, 1992
filing date -
Nov 30, 1987
priority date (Note) -
Expired
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Abstract
The present invention is further directed towards a method for determining the efficiency of separation of a dense media separation process. This method includes determining an apparent distance a particle must travel in a dense media cyclone to be correctly beneficiated. From this apparent distance, an apparent velocity a particle must achieve to be correctly beneficiated is calculated. This apparent velocity is used, along with cyclone geometry and operational parameters to calculate a divergence value which indicates the efficiency of separation. The present invention also includes a method for selecting cyclone geometry and operating parameters which includes determining separation efficiency and adjusting geometry and parameters in a manner to obtain improved efficiency.
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