发明名称 |
FORFARANDE FOR FRAMSTELLNING AV UREAGRANULER |
摘要 |
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. |
申请公布号 |
SE432362(B) |
申请公布日期 |
1984.04.02 |
申请号 |
SE19780006601 |
申请日期 |
1978.06.06 |
申请人 |
COMPAGNIE NEERLANDAISE DE L'AZOTE |
发明人 |
A * NIKS;W H P * VAN HIJFTE;R A J * GOETHALS |
分类号 |
B01J2/02;B01J2/16;C05C9/00;C07C67/00;C07C239/00;C07C273/16;(IPC1-7):01J2/02;07C126/08;05C9/00 |
主分类号 |
B01J2/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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