A PROCESS FOR PRODUCING FERTILIZER GRANULES

A PROCESS FOR PRODUCING FERTILIZER GRANULES CONTAINING UREA AND AMMONIUM SULPHATE BY GRANULATION IN A FLUIDIZED BED OF PARTICLES IS DESCRIBED. AMMONIUM SULPHATE PARTICLES ARE INTRODUCED INTO A FULIDIZED BED UREA IS APPLIED TO THE PARTICLES IN THE FLUIDIZED BED BY SPRAYING AN AQUEOUS UREA-CONTAINING...

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Hauptverfasser:	WALTER EDMOND MATHILDE CARDON, ANDRE FIRMIN KAYAERT
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY FERTILISERS MANUFACTURE THEREOF METALLURGY NITROGENOUS FERTILISERS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A PROCESS FOR PRODUCING FERTILIZER GRANULES CONTAINING UREA AND AMMONIUM SULPHATE BY GRANULATION IN A FLUIDIZED BED OF PARTICLES IS DESCRIBED. AMMONIUM SULPHATE PARTICLES ARE INTRODUCED INTO A FULIDIZED BED UREA IS APPLIED TO THE PARTICLES IN THE FLUIDIZED BED BY SPRAYING AN AQUEOUS UREA-CONTAINING LIQUID WITH A UREA CONCENTRATION OF 70-99.9% BY WEIGHT. PREFERABLY, THE AQUEOUS UREA SOLUTION CONTAINS A GRANULATION ADDITIVE AND/OR AMMONIUM SULPHATE.