HIGH-PURITY COMPOSITE MATERIALS, METHODS OF MAKING HIGH-PURITY COMPOSITE MATERIALS, AND METHODS OF USING HIGH-PURITY COMPOSITE MATERIALS
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United States of America
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Issued Date -
Feb 27, 2020
app pub date -
Nov 4, 2019
filing date -
Nov 4, 2019
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Abstract
A composite filter aid may include acid-washed diatomaceous earth and a low extractable metal mineral. A method for making a composite material may include blending an acid-washed diatomaceous earth and a low extractable metal mineral, adding a binder to the blended diatomaceous earth and low extractable metal mineral, and forming the composite material from the acid-washed diatomaceous earth, the low extractable metal mineral, and the binder. A method for filtering a liquid may include providing a liquid for filtering and filtering the liquid through a composite filter aid that includes an acid-washed diatomaceous earth and a low extractable metal mineral.
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