ATA114874A - Verfahren zur gewinnung von nicht umgesetztem ammoniumcarbamat bei der harnstoffsynthese - Google Patents
Verfahren zur gewinnung von nicht umgesetztem ammoniumcarbamat bei der harnstoffsyntheseInfo
- Publication number
- ATA114874A ATA114874A AT114874A AT114874A ATA114874A AT A114874 A ATA114874 A AT A114874A AT 114874 A AT114874 A AT 114874A AT 114874 A AT114874 A AT 114874A AT A114874 A ATA114874 A AT A114874A
- Authority
- AT
- Austria
- Prior art keywords
- unreposed
- recovery
- ammonium carbamate
- urea synthesis
- urea
- 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
-
- 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 |
|---|---|---|---|
| JP1751873A JPS5535378B2 (de) | 1973-02-14 | 1973-02-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA114874A true ATA114874A (de) | 1977-10-15 |
| AT343670B AT343670B (de) | 1978-06-12 |
Family
ID=11946165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT114874A AT343670B (de) | 1973-02-14 | 1974-02-13 | Verfahren zur gewinnung von nicht umgesetztem ammoniumcarbamat bei der harnstoffsynthese |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US3944605A (de) |
| JP (1) | JPS5535378B2 (de) |
| AR (1) | AR197541A1 (de) |
| AT (1) | AT343670B (de) |
| BR (1) | BR7401038D0 (de) |
| CA (1) | CA1012981A (de) |
| DE (1) | DE2407019B2 (de) |
| EG (1) | EG11283A (de) |
| ES (1) | ES422910A1 (de) |
| FR (1) | FR2217320B1 (de) |
| GB (1) | GB1404115A (de) |
| IN (1) | IN140031B (de) |
| IT (1) | IT1007405B (de) |
| NL (1) | NL162636C (de) |
| PH (1) | PH11037A (de) |
| SU (1) | SU1064863A3 (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS555977B2 (de) * | 1974-05-14 | 1980-02-12 | ||
| AR206244A1 (es) * | 1975-05-06 | 1976-07-07 | Mitsui Toatsu Chemicals | Procedimiento para tratar vapor de agua generado al concentrar una solucion acuosa de urea |
| JPS585190B2 (ja) * | 1975-09-22 | 1983-01-29 | 三井東圧化学株式会社 | 尿素合成における未反応物の分離回収方法 |
| JPS5268129A (en) * | 1975-12-05 | 1977-06-06 | Mitsui Toatsu Chem Inc | Recovery of unreacted material and heat on urea synthesis |
| IT1068268B (it) * | 1976-09-09 | 1985-03-21 | Snam Progetti | Procedimento per la produzione di urea e purificazione delle acque |
| JPS5573651A (en) * | 1978-11-30 | 1980-06-03 | Toyo Eng Corp | Preparation of urea |
| JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
| JPS58217750A (ja) * | 1982-06-14 | 1983-12-17 | Suzuki Motor Co Ltd | 空燃比制御エンジンにおけるアイドルアツプ装置 |
| US5316554A (en) * | 1992-06-03 | 1994-05-31 | Hansen Charles N | Method for processing crystalline ammonium carbamate |
| EP2397463A1 (de) * | 2010-06-16 | 2011-12-21 | Urea Casale SA | Verfahren zur Modernisierung einer selbst-strippenden Harnstoffanlage |
| US9677817B1 (en) | 2012-02-29 | 2017-06-13 | The United States Of America As Represented By The Secretary Of The Air Force | Method for thermal management through use of ammonium carbamate |
| DE102013113980A1 (de) * | 2013-12-12 | 2015-06-18 | Thyssenkrupp Ag | Verfahren zur Herstellung von Ammoniakgas und CO2 für eine Harnstoffsynthese |
| US10315986B1 (en) * | 2018-04-06 | 2019-06-11 | Solenis Technologies, L.P. | Systems and methods for forming a solution of ammonium carbamate |
| US11912649B2 (en) | 2019-12-30 | 2024-02-27 | Stamicarbon B.V. | Ammonia removal from urea finishing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3544628A (en) * | 1965-09-20 | 1970-12-01 | Pullman Inc | Urea synthesis |
| US3573173A (en) * | 1968-07-24 | 1971-03-30 | Mitsui Toatsu Chemicals | Process for recovering excess ammonia in urea synthesis by direct contact condensation with liquid ammonia |
-
1973
- 1973-02-14 JP JP1751873A patent/JPS5535378B2/ja not_active Expired
-
1974
- 1974-01-28 US US05/437,360 patent/US3944605A/en not_active Expired - Lifetime
- 1974-02-04 ES ES422910A patent/ES422910A1/es not_active Expired
- 1974-02-06 IN IN248/CAL/74A patent/IN140031B/en unknown
- 1974-02-06 AR AR252215A patent/AR197541A1/es active
- 1974-02-11 CA CA192,194A patent/CA1012981A/en not_active Expired
- 1974-02-11 GB GB606174A patent/GB1404115A/en not_active Expired
- 1974-02-12 FR FR7404688A patent/FR2217320B1/fr not_active Expired
- 1974-02-12 PH PH15501A patent/PH11037A/en unknown
- 1974-02-13 BR BR1038/74A patent/BR7401038D0/pt unknown
- 1974-02-13 AT AT114874A patent/AT343670B/de not_active IP Right Cessation
- 1974-02-13 EG EG41/74A patent/EG11283A/xx active
- 1974-02-13 SU SU741998275A patent/SU1064863A3/ru active
- 1974-02-14 NL NL7402055.A patent/NL162636C/xx not_active IP Right Cessation
- 1974-02-14 DE DE19742407019 patent/DE2407019B2/de active Granted
- 1974-04-08 IT IT20547/74A patent/IT1007405B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| BR7401038D0 (pt) | 1974-09-10 |
| NL162636B (nl) | 1980-01-15 |
| FR2217320B1 (de) | 1978-01-06 |
| AT343670B (de) | 1978-06-12 |
| AR197541A1 (es) | 1974-04-15 |
| SU1064863A3 (ru) | 1983-12-30 |
| IT1007405B (it) | 1976-10-30 |
| CA1012981A (en) | 1977-06-28 |
| ES422910A1 (es) | 1976-05-01 |
| NL7402055A (de) | 1974-08-16 |
| PH11037A (en) | 1977-10-25 |
| IN140031B (de) | 1976-09-04 |
| US3944605A (en) | 1976-03-16 |
| JPS49102620A (de) | 1974-09-27 |
| FR2217320A1 (de) | 1974-09-06 |
| JPS5535378B2 (de) | 1980-09-12 |
| AU6495274A (en) | 1975-07-31 |
| NL162636C (nl) | 1980-06-16 |
| DE2407019A1 (de) | 1974-09-12 |
| GB1404115A (en) | 1975-08-28 |
| DE2407019B2 (de) | 1976-08-19 |
| EG11283A (en) | 1977-01-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee | ||
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |