Flotation collector composition and its use
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United States of America Patent
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Apr 30, 1985
Grant Date -
N/A
app pub date -
Mar 1, 1983
filing date -
Mar 5, 1982
priority date (Note) -
Expired
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Abstract
A flotation collector composition comprises a combination of fatty acids, amidocarboxylic acids or amidosulfonic acids and partial esters of phosphoric acid and alkoxylated alcohols. The collector composition is used for upgrading nonsulfide minerals containing alkaline earth metals by froth flotation. Minerals such as apatite, calcite, scheelite, fluorspar, magnesite and baryte can be separated from the gangues using the collector composition.
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