Process to obtain anathase concentrates from an anathase ore
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United States of America Patent
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-
Mar 17, 1981
Grant Date -
N/A
app pub date -
Dec 20, 1978
filing date -
Jan 31, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Process of obtaining an anathase concentrate from an anathase ore comprehends the reduction of the anathase ore to dimensions inferior to 125 mm; disaggregation in water; classification of the suspension and elimination of slimes and silicates; grinding of the deslimed fraction and low intensity magnetic separation; grinding of the non-magnetic fraction to a value inferior to 32 mesh; calcining and slight reduction to turn the limonite and the hematite into magnetite and elimination of the magnetite in low intensity magnetic separator; and electrostatic separation of the non-magnetic fraction to obtain, as conductor, a final product which is rich in anathase and has a low grade of impurities.
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