Collector compositions and methods of using thereof
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United States of America Patent
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May 21, 2019
Grant Date -
May 11, 2017
app pub date -
Oct 12, 2016
filing date -
Oct 12, 2015
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Abstract
A collector composition comprising (a) refined tall oil wherein the refined tall oil is any tall oil that has been subjected to one or more refining or processing steps that results in an increase in acid value; and (b) a fatty acid wherein the refined tall oil has an acid value of at least 90 mg KOH/g and a weight average molecular weight of at least 750 g/mol. A mineral slurry comprising (a) an ore comprising a mineral of interest; (b) a collector composition comprising (i) a refined tall oil; and (ii) a fatty acid; and (c) a liquid. A method for the beneficiation of an ore, the method comprising (a) preparing a slurry comprising the ore dispersed in a liquid; (b) contacting the slurry with a collector composition comprising a refined tall oil; and (c) recovering a beneficiated ore.
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