<p>Title: Improvements in or relating to urea granulation. of the disclosure: Urea granules are prepared by spraying an aqueous urea solution having a urea concentration of 70-99.9% by weight on to fluidized urea nuclei in the form of droplets having a mean drop diameter of 20-120 .mu.m at a temperature at which the water is evaporated from the solution sprayed on to the nuclei and urea crystallizes on the nuclei to-form granules having a desired size.</p>
申请公布号
CA1101641(A)
申请公布日期
1981.05.26
申请号
CA19780303575
申请日期
1978.05.17
申请人
COMPAGNIE NEERLANDAISE DE L'AZOTE (SOCIETE ANONYME)