Process for producing fertilizer granules

Details Process for producing fertilizer granules Process for producing fertilizer granules

C - Chemistry, Metallurgy

05

C

71/47

C05C 13/00 (2006.01) B01J 2/16 (2006.01) C05C 3/00 (2006.01)

Patent

CA 1309269

A process for producing fertilizer granules. ABSTRACT 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 fluidized bed and 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.

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