Process for the production of urea pellets

The invention relates to a process for the production of urea pellets with a narrow particle size range and a sphericity> 75% and a defined residual moisture content of 0.5%. DOLLAR A object of the invention is to provide a process for the production of urea pellets whose properties meet the requirements of the vehicle industry for use as Abgasentstickung in diesel engines. DOLLAR A According to the invention this is achieved in that a urea-containing liquid having a temperature between ambient temperature and above the melting temperature of the urea in the high particle density region of a Bedusungszone a circular gas-material flow of a jet layer apparatus sprayed on the particle surface of the material and in the gas flow at Temperatures up to 130 ° C with a controllable heat and mass transfer with simultaneous separation dried and granulated.