发明名称 |
INSTALLATION AND PROCESS FOR THE PREPARATION OF UREA |
摘要 |
The invention relates to an installation for the preparation of urea from ammonia and carbon dioxide, the installation comprising two reactor sections in a vertically placed combined reactor and a high-pressure condenser sectio n. The installation may comprise a vertically placed combined reactor, with the two reactor sections being separated by a high-pressure condenser section. I n another embodiment the installation comprises a vertically placed combined reactor that comprises two reactor sections and a high-pressure condenser section placed outside the reactor. The invention also relates to a process for the preparation of urea in this installation. This involves feeding the gas stream leaving the stripper wholly or partly to the high-pressure condenser section of the installation. Preferably, a portion of the gas stre am leaving the scrubber is fed to the second reactor section in the vertically placed combined reactor via an ammonia-driven ejector.
|
申请公布号 |
CA2404151(A1) |
申请公布日期 |
2001.10.04 |
申请号 |
CA20012404151 |
申请日期 |
2001.01.29 |
申请人 |
DSM N.V. |
发明人 |
MENNEN, JOHANNES HENRICUS |
分类号 |
B01J3/04;B01J10/00;C07C273/04;(IPC1-7):C07C273/04;B01J12/00 |
主分类号 |
B01J3/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|