| 发明名称 |
Process and apparatus for the synthesis of urea and material used in it |
| 摘要 |
Process and apparatus for the production of urea, wherein the carbamate decomposers and/or condensers are equipped with stainless steel tubes internally lined with zirconium.
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| 申请公布号 |
US4899813(A) |
申请公布日期 |
1990.02.13 |
| 申请号 |
US19880173032 |
申请日期 |
1988.03.22 |
| 申请人 |
SNAMPROGETTI S.P.A. |
发明人 |
MENICATTI, SERGIO;MIOLA, CESARE;GRANELLI, FRANCO |
| 分类号 |
B01J19/02;B01J19/24;C07C67/00;C07C239/00;C07C273/04;F28F19/06 |
主分类号 |
B01J19/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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