IL23576A - Process for the preparation of urea - Google Patents
Process for the preparation of ureaInfo
- Publication number
- IL23576A IL23576A IL23576A IL2357665A IL23576A IL 23576 A IL23576 A IL 23576A IL 23576 A IL23576 A IL 23576A IL 2357665 A IL2357665 A IL 2357665A IL 23576 A IL23576 A IL 23576A
- Authority
- IL
- Israel
- Prior art keywords
- urea
- atmospheres
- stage
- ammonia
- carbon dioxide
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6406024A NL6406024A (de) | 1964-05-29 | 1964-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL23576A true IL23576A (en) | 1969-01-29 |
Family
ID=19790188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL23576A IL23576A (en) | 1964-05-29 | 1965-05-21 | Process for the preparation of urea |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3366682A (de) |
| JP (1) | JPS4915250B1 (de) |
| AT (1) | AT256865B (de) |
| BE (1) | BE664647A (de) |
| CH (1) | CH440253A (de) |
| CS (1) | CS155136B2 (de) |
| ES (1) | ES313470A1 (de) |
| FI (1) | FI42536B (de) |
| GB (1) | GB1091925A (de) |
| IL (1) | IL23576A (de) |
| NL (2) | NL6406024A (de) |
| TR (1) | TR18483A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1148767A (en) * | 1965-10-25 | 1969-04-16 | Nissan Chemical Ind Ltd | Process for the production of melamine |
| US3541146A (en) * | 1966-11-29 | 1970-11-17 | Inventa Ag | Process for the separation and recirculation of unreacted starting gases in the urea synthesis |
| PH12569A (en) * | 1970-09-03 | 1979-06-20 | Snam Progetti | Process for producing urea |
| NL8303888A (nl) * | 1983-11-13 | 1985-06-03 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| RU2280026C1 (ru) | 2005-04-18 | 2006-07-20 | Открытое Акционерное Общество "Научно-Исследовательский И Проектный Институт Карбамида И Продуктов Органического Синтеза" (Оао Ниик) | Способ и установка для получения карбамида |
| RU2499791C1 (ru) * | 2012-08-15 | 2013-11-27 | Открытое Акционерное Общество "Научно-Исследовательский И Проектный Институт Карбамида И Продуктов Органического Синтеза" (Оао Ниик) | Способ и установка для получения карбамида и способ модернизации установки для получения карбамида |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB948786A (en) * | 1959-10-23 | 1964-02-05 | Toyo Koatsu Ind Inc | An improvement in synthesis of urea |
| US3137725A (en) * | 1960-02-11 | 1964-06-16 | Chemical Construction Corp | Heat recovery in urea synthesis process |
-
0
- NL NL127236D patent/NL127236C/xx active
-
1964
- 1964-05-29 NL NL6406024A patent/NL6406024A/xx unknown
-
1965
- 1965-05-21 IL IL23576A patent/IL23576A/en unknown
- 1965-05-24 US US458193A patent/US3366682A/en not_active Expired - Lifetime
- 1965-05-25 GB GB22211/65A patent/GB1091925A/en not_active Expired
- 1965-05-25 CH CH728365A patent/CH440253A/de unknown
- 1965-05-26 TR TR18483A patent/TR18483A/xx unknown
- 1965-05-26 AT AT480865A patent/AT256865B/de active
- 1965-05-27 CS CS345965A patent/CS155136B2/cs unknown
- 1965-05-28 ES ES0313470A patent/ES313470A1/es not_active Expired
- 1965-05-28 JP JP40031492A patent/JPS4915250B1/ja active Pending
- 1965-05-28 FI FI1277/65A patent/FI42536B/fi active
- 1965-05-28 BE BE664647D patent/BE664647A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI42536B (de) | 1970-06-01 |
| DE1493212B2 (de) | 1974-03-28 |
| US3366682A (en) | 1968-01-30 |
| BE664647A (de) | 1965-11-29 |
| GB1091925A (en) | 1967-11-22 |
| ES313470A1 (es) | 1966-02-01 |
| TR18483A (tr) | 1977-02-24 |
| NL6406024A (de) | 1965-11-30 |
| CS155136B2 (de) | 1974-05-30 |
| DE1493212A1 (de) | 1969-02-06 |
| AT256865B (de) | 1967-09-11 |
| JPS4915250B1 (de) | 1974-04-13 |
| CH440253A (de) | 1967-07-31 |
| NL127236C (de) |
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