REMOVAL OF SAND IMPURITIES IN WET PROCESSING
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United States of America Patent
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Issued Date -
Dec 1, 2022
app pub date -
May 26, 2021
filing date -
May 26, 2021
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Abstract
Methods and systems for treating mined sand to remove an impurity in accordance with the disclosure. An example method mined sand provides mined sand containing the impurity, contacting the mined sand with an aqueous treatment fluid comprising an ethoxylated alcohol and a sulfonic acid derivative, and drying the mined sand; wherein at least a portion of the impurity is removed from the dried mined sand after contact of the mined sand with the aqueous treatment fluid.
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