Method of making a granular product with a high specific weight
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United States of America Patent
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Apr 25, 1995
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N/A
app pub date -
Nov 12, 1992
filing date -
Nov 13, 1991
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Abstract
A method for making a granular product including sodium silicate and its water of crystallization, having a specific weight of from 0.5 to 1.2 and completely soluble in water at ambient temperature includes the step of granulating a pseudoplastic mass of sodium silicate having a free water content of between 5 and 12% by weight under hot conditions in an air-steam environment.
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