Preparation of bleach catalyst aggregates of manganese cation impregnated aluminosilicates by high velocity granulation

A process is disclosed for the preparation of bleach catalysts in aggregate form. The steps comprise adsorbing a manganese (II) salt onto an aluminosilicate support; granulating with a high disrupting force an aqueous slurry of the aluminosilicate bearing manganese (II), and drying the resultant agg...

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Hauptverfasser: KARPUSIEWICZ, WILLIAM, IRWIN, CHARLES F, LIBERATI, PATRICIA
Format: Patent
Sprache:eng
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Zusammenfassung:A process is disclosed for the preparation of bleach catalysts in aggregate form. The steps comprise adsorbing a manganese (II) salt onto an aluminosilicate support; granulating with a high disrupting force an aqueous slurry of the aluminosilicate bearing manganese (II), and drying the resultant aggregates. At least 70% of the dried aggregates resulting from the process must have a diameter size from at least 250 to about 2000 microns.