Apparatus and method for the beneficiation of ore and coal with the aid of ultrasound
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United States of America Patent
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Nov 26, 1996
Grant Date -
N/A
app pub date -
Feb 15, 1995
filing date -
Feb 15, 1995
priority date (Note) -
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Abstract
An apparatus for treating a slurry with ultrasound to improve separation based upon specific gravity comprises a plurality of modular conduit units having substantially vertical walls defining a flow space through which a slurry may be pumped. Each modular conduit unit has mounted thereon ultrasound transducers for transmitting ultrasound energy into the slurry being pumped through the modular conduit unit and means for exciting the ultrasound transducers in a frequency range of 60 to 100 kHz.
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