DIATOMACEOUS EARTH PRODUCTS, PROCESSES FOR PREPARING THEM, AND METHODS OF THEIR USE
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United States of America Patent
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app pub date -
Dec 20, 2012
filing date -
Dec 21, 2011
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Abstract
A particulate material includes agglomerated diatomaceous earth and a silicone binder. A process for preparing a diatomaceous earth product includes agglomerating at least one natural diatomaceous earth with at least one silicone material, and subjecting the agglomerated diatomaceous earth to at least one heat treatment at a temperature ranging from about 600° C. to about 1,000° C. A filter aid composition includes a diatomaceous earth product including an agglomerated diatomaceous earth and a silicone material. A method of filtering at least one liquid includes passing the at least one liquid through at least one filter membrane including a diatomaceous earth product including agglomerated diatomaceous earth and a silicone material.
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