Process for improving the concentration of non-magnetic high specific gravity minerals
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United States of America Patent
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Apr 27, 1993
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N/A
app pub date -
Jun 17, 1991
filing date -
Jun 17, 1991
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Expired
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Abstract
A process for improving the concentration of non-magnetic heavy minerals using a gravity-magnetic type separator, by the addition of a magnetic mineral or phase, such as magnetite, ilmenite, or iron filings, to the feed slurry. The addition of the magnetic material prior to feeding the gravity-magnetic separator results in an increase in the recovery of the non-magnetic heavy minerals in the feed, such as rutile, zircon, gold, tin, tungsten, etc.
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