Granulating an aqueous dispersion of ammonium and potassium salts
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United States of America Patent
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Jul 7, 1981
Grant Date -
N/A
app pub date -
Dec 17, 1979
filing date -
Dec 22, 1978
priority date (Note) -
Expired
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Abstract
The preparation of dry, stable granular material from water-soluble potassium and ammonium salts and a mixture thereof by subjecting a dispersion of crystals of the salt in an aqueous liquid to the action of a granulating device in the presence of calcium sulphate hemihydrate and a hydrophilic surface active agent to effect agglomeration of said crystals, and thereafter subjecting the agglomerated crystals to a drying operation.
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