Porous ceramic granules
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United States of America Patent
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May 23, 1995
Grant Date -
N/A
app pub date -
Oct 26, 1993
filing date -
Oct 28, 1992
priority date (Note) -
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Abstract
There is disclosed a process for preparing porous ceramic granules, comprising (a) preparing a foam from an aqueous mixture of a particulate aluminosiliceous material and a fluxing material; (b) dividing the foam into discrete particles to form granules; and (c) calcining the granules at an elevated temperature such that sintering of the aluminosiliceous particles occurs.
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