Title: Process for producing fertilizer granules
Application Number: 88102293 Application Date: 1988.04.16
Publication Number: 1021841 Publication Date: 1988.11.02
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C05C1/02;C05C9/00
Applicant(s) Name: Nederlandse Stikstof Maatschappij B.V. (NL) Sluisk Address:
Inventor(s) Name: Andre Firmin Kayaert;Walter Edmond Mathilde Cardon
Attorney & Agent: YANG JIANXIA
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.
Time: 5