CH487855A - Process for producing urea from ammonia and carbon dioxide - Google Patents
Process for producing urea from ammonia and carbon dioxideInfo
- Publication number
- CH487855A CH487855A CH1166268A CH1166268A CH487855A CH 487855 A CH487855 A CH 487855A CH 1166268 A CH1166268 A CH 1166268A CH 1166268 A CH1166268 A CH 1166268A CH 487855 A CH487855 A CH 487855A
- Authority
- CH
- Switzerland
- Prior art keywords
- ammonia
- carbon dioxide
- producing urea
- urea
- producing
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 229910021529 ammonia Inorganic materials 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
- 229910002092 carbon dioxide Inorganic materials 0.000 title 1
- 239000001569 carbon dioxide Substances 0.000 title 1
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
- H01J17/066—Cold cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
- H01J2893/0065—Electrode systems
- H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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 |
|---|---|---|---|
| IT2102767 | 1967-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH487855A true CH487855A (en) | 1970-03-31 |
Family
ID=11175595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1166268A CH487855A (en) | 1967-09-29 | 1968-08-03 | Process for producing urea from ammonia and carbon dioxide |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS5432767B1 (en) |
| AT (1) | AT290545B (en) |
| BE (1) | BE719035A (en) |
| CH (1) | CH487855A (en) |
| CS (1) | CS155191B2 (en) |
| DE (1) | DE1768776B2 (en) |
| DK (1) | DK118396B (en) |
| ES (1) | ES358855A1 (en) |
| FR (1) | FR1576811A (en) |
| GB (1) | GB1184004A (en) |
| IE (1) | IE32209B1 (en) |
| LU (1) | LU56630A1 (en) |
| NL (1) | NL161137C (en) |
| NO (1) | NO145949C (en) |
| SE (1) | SE373574B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL174548C (en) * | 1977-05-05 | 1988-05-16 | Montedison Spa | PROCESS FOR PREPARING UREA BY REACTION OF AMMONIA AND CARBON DIOXIDE. |
| NL7713190A (en) * | 1977-11-30 | 1979-06-01 | Unie Van Kunstmestfab Bv | METHOD AND DEVICE FOR THE REMOVAL OF AMMONIUM CARBAMATE FROM A UREEA SYNTHESIS SOLUTION. |
| IT1209532B (en) * | 1984-04-20 | 1989-08-30 | Snam Progetti | PROCESS FOR THE SYNTHESIS OF UREA AND MATERIAL USED IN ITSELF. |
| IN169678B (en) * | 1987-08-13 | 1991-11-30 | Austral Pacific Fertilizers | |
| IT1274362B (en) | 1995-02-16 | 1997-07-17 | Snam Progetti | HIGH YIELD PROCEDURE FOR THE SYNTHESIS OF UREA |
| ITMI20120013A1 (en) | 2012-01-09 | 2013-07-10 | Saipem Spa | PROCEDURE FOR THE SYNTHESIS OF UREA INCLUDING A STRIPPER FUND OF PASSIVATION |
| US20240092730A1 (en) | 2021-12-20 | 2024-03-21 | Stamicarbon B.V. | Thermal stripping urea production |
-
1968
- 1968-06-21 AT AT598768A patent/AT290545B/en not_active IP Right Cessation
- 1968-06-21 NO NO2461/68A patent/NO145949C/en unknown
- 1968-06-21 DK DK296968AA patent/DK118396B/en unknown
- 1968-06-25 NL NL6808895.A patent/NL161137C/en not_active IP Right Cessation
- 1968-06-27 GB GB30814/68A patent/GB1184004A/en not_active Expired
- 1968-06-28 SE SE6808922A patent/SE373574B/en unknown
- 1968-06-28 DE DE19681768776 patent/DE1768776B2/en not_active Ceased
- 1968-07-08 JP JP4720368A patent/JPS5432767B1/ja active Pending
- 1968-07-25 IE IE894/68A patent/IE32209B1/en unknown
- 1968-08-01 LU LU56630D patent/LU56630A1/xx unknown
- 1968-08-02 BE BE719035D patent/BE719035A/xx not_active IP Right Cessation
- 1968-08-02 FR FR1576811D patent/FR1576811A/fr not_active Expired
- 1968-08-03 CH CH1166268A patent/CH487855A/en not_active IP Right Cessation
- 1968-09-16 CS CS686495A patent/CS155191B2/en unknown
- 1968-09-25 ES ES358855A patent/ES358855A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT290545B (en) | 1971-06-11 |
| SE373574B (en) | 1975-02-10 |
| LU56630A1 (en) | 1968-11-14 |
| NO145949B (en) | 1982-03-22 |
| JPS5432767B1 (en) | 1979-10-16 |
| DE1768776A1 (en) | 1971-09-16 |
| IE32209L (en) | 1969-03-29 |
| DK118396B (en) | 1970-08-17 |
| NL6808895A (en) | 1969-04-01 |
| NL161137B (en) | 1979-08-15 |
| FR1576811A (en) | 1969-08-01 |
| GB1184004A (en) | 1970-03-11 |
| DE1768776B2 (en) | 1973-05-03 |
| BE719035A (en) | 1969-01-16 |
| NO145949C (en) | 1982-06-30 |
| NL161137C (en) | 1980-01-15 |
| IE32209B1 (en) | 1973-05-16 |
| ES358855A1 (en) | 1970-05-16 |
| CS155191B2 (en) | 1974-05-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |