Granulating an aqueous dispersion of ammonium and potassium salt

Details Granulating an aqueous dispersion of ammonium and potassium salt Granulating an aqueous dispersion of ammonium and potassium salt

1979-12-17

1981-07-07

Garris, Bradley

Chemistry: physical processes

Physical processes

Agglomerating

71 61, 71 63, 71 64DA, 71 64DB, 264117, C05G 300, C05C 702, C05D 1100

Patent

active

042772532

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.

REFERENCES:
patent: 1608737 (1926-11-01), Harvey
patent: 1969980 (1934-08-01), Harvey
patent: 2867523 (1959-01-01), Lutz et al.
patent: 3143410 (1964-08-01), Smith
patent: 3697245 (1972-10-01), Dilday
patent: 3853490 (1974-12-01), Boeglin et al.
patent: 3925053 (1975-12-01), Kealy
patent: 4183738 (1980-01-01), Carmon

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