COMPOSITIONS AND METHODS FOR REVERSE FROTH FLOTATION OF PHOSPHATE ORES
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United States of America Patent
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Issued Date -
Oct 29, 2020
app pub date -
Jul 6, 2020
filing date -
May 30, 2017
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Abstract
Improved sparge compositions for reverse froth flotation separation and uses thereof, and improved methods of reverse froth flotation are described. Described are sparge compositions comprising collectors and beneficiating agents, the collectors comprising sulfonated fatty acids and/or salts thereof, and the beneficiating agents comprising a hydroxy fatty acid composition. The sparge compositions are suitably used in the reverse froth flotation to separate phosphate beneficiary from ores comprising phosphate and dolomite, calcite, silicate, and/or other gangues. The disclosed compositions and methods exhibit improved separation of phosphate from such ores.
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