Utilization of ion exchange resin in the processing of kaolins
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United States of America Patent
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May 29, 1984
Grant Date -
N/A
app pub date -
Oct 28, 1982
filing date -
Oct 28, 1982
priority date (Note) -
Expired
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Abstract
A method of processing naturally occurring kaolin clay wherein ion exchange resins are utilized to remove charged soluble impurities from the clay thereby eliminating the filtration step required in conventional clay beneficiation process. Further, by saturating the ion exchange resin utilized with a bleaching agent, ferric ions in the clay will be reduced to soluble ferrous ions and removed from the clay without the conventional acid leaching.
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