IT1090171B - Procedimento per la preparazione di urea per reazione di ammoniaca e carbonio diossido a temperatura e pressione elevate - Google Patents
Procedimento per la preparazione di urea per reazione di ammoniaca e carbonio diossido a temperatura e pressione elevateInfo
- Publication number
- IT1090171B IT1090171B IT51621/77A IT5162177A IT1090171B IT 1090171 B IT1090171 B IT 1090171B IT 51621/77 A IT51621/77 A IT 51621/77A IT 5162177 A IT5162177 A IT 5162177A IT 1090171 B IT1090171 B IT 1090171B
- Authority
- IT
- Italy
- Prior art keywords
- urea
- ammonia
- procedure
- reaction
- preparation
- 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
- 238000000034 method Methods 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
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 |
|---|---|---|---|
| NL7612162A NL7612162A (nl) | 1976-11-03 | 1976-11-03 | Werkwijze voor de bereiding van een ureum- oplossing uit nh3 en co2. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1090171B true IT1090171B (it) | 1985-06-18 |
Family
ID=19827159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT51621/77A IT1090171B (it) | 1976-11-03 | 1977-10-28 | Procedimento per la preparazione di urea per reazione di ammoniaca e carbonio diossido a temperatura e pressione elevate |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4115449A (it) |
| JP (1) | JPS6058744B2 (it) |
| BE (1) | BE860419A (it) |
| CA (1) | CA1094104A (it) |
| DE (1) | DE2748640C2 (it) |
| FR (1) | FR2370037A1 (it) |
| GB (1) | GB1539009A (it) |
| IE (1) | IE45825B1 (it) |
| IT (1) | IT1090171B (it) |
| NL (1) | NL7612162A (it) |
| NO (1) | NO150200C (it) |
| SU (1) | SU1153825A3 (it) |
| ZA (1) | ZA776269B (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8101174A (nl) * | 1981-03-11 | 1982-10-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8104040A (nl) * | 1981-09-01 | 1983-04-05 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8201652A (nl) * | 1982-04-21 | 1983-11-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8303888A (nl) * | 1983-11-13 | 1985-06-03 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| DE102011078749A1 (de) * | 2011-07-06 | 2013-01-10 | Evonik Degussa Gmbh | Verfahren zur Herstellung von Trisilylamin aus Monochlorsilan und Ammoniak |
| EA036463B1 (ru) * | 2015-03-25 | 2020-11-12 | Стамикарбон Б.В. | Способ объединенного производства карбамида для жидкости для очистки выхлопных газов дизельных двигателей и карбамидо-аммиачной смеси |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1782723A (en) * | 1926-03-02 | 1930-11-25 | Arthur B Lamb | Manufacture of urea |
| US3107149A (en) * | 1961-05-12 | 1963-10-15 | Chem Processes Inc | Method of separating ammonia from carbon dioxide |
| NL168506C (nl) * | 1970-12-31 | 1982-04-16 | Stamicarbon | Werkwijze voor de bereiding van ureum. |
-
1976
- 1976-11-03 NL NL7612162A patent/NL7612162A/xx not_active Application Discontinuation
-
1977
- 1977-10-20 ZA ZA00776269A patent/ZA776269B/xx unknown
- 1977-10-28 IT IT51621/77A patent/IT1090171B/it active
- 1977-10-28 GB GB45059/77A patent/GB1539009A/en not_active Expired
- 1977-10-29 DE DE2748640A patent/DE2748640C2/de not_active Expired
- 1977-11-01 US US05/847,653 patent/US4115449A/en not_active Expired - Lifetime
- 1977-11-01 JP JP52131387A patent/JPS6058744B2/ja not_active Expired
- 1977-11-02 CA CA290,104A patent/CA1094104A/en not_active Expired
- 1977-11-02 IE IE2226/77A patent/IE45825B1/en unknown
- 1977-11-02 NO NO773761A patent/NO150200C/no unknown
- 1977-11-03 FR FR7733025A patent/FR2370037A1/fr active Granted
- 1977-11-03 BE BE182296A patent/BE860419A/xx not_active IP Right Cessation
- 1977-11-03 SU SU772539550A patent/SU1153825A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| IE45825B1 (en) | 1982-12-01 |
| IE45825L (en) | 1978-05-03 |
| NO773761L (no) | 1978-05-05 |
| NO150200B (no) | 1984-05-28 |
| FR2370037A1 (fr) | 1978-06-02 |
| CA1094104A (en) | 1981-01-20 |
| DE2748640C2 (de) | 1986-07-31 |
| NO150200C (no) | 1984-09-05 |
| DE2748640A1 (de) | 1978-05-11 |
| FR2370037B1 (it) | 1983-08-26 |
| NL7612162A (nl) | 1978-05-08 |
| GB1539009A (en) | 1979-01-24 |
| JPS5384918A (en) | 1978-07-26 |
| US4115449A (en) | 1978-09-19 |
| BE860419A (nl) | 1978-05-03 |
| SU1153825A3 (ru) | 1985-04-30 |
| ZA776269B (en) | 1978-07-26 |
| JPS6058744B2 (ja) | 1985-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE437656B (sv) | Forfarande for syntes av ammoniak samt reaktor for genomforandet av forfarandet | |
| JPS5315313A (en) | Production of oxalic acid diesters | |
| JPS56128749A (en) | Stripping of unreacted material in urea preparation process | |
| NO152249C (no) | Fremgangsmaate for utveksling av hydrogenisotoper mellom hydrogengass og vann, og katalysator for utfoerelse av fremgangsmaaten | |
| IT1090035B (it) | Procedimento per il recupero di ammoniaca pura da miscele gassose contenenti ammoniaca ed anidride carbonica | |
| IT8021606A0 (it) | Gas di sintesi per la produzione di ammoniaca. | |
| NO741833L (no) | Fremgangsmåte ved fremstilling av urea fra ammoniakk og karbondioksyd. | |
| NO158604C (no) | Reaktor for eksotermisk katalytisk syntese i gassfase og anvendelse av reaktoren. | |
| JPS52136122A (en) | Preparation of acrylonitrile | |
| JPS5424852A (en) | Preparation of aromatic urethane compound | |
| JPS5384918A (en) | Process for preparing urea solution from nh3 and co2 | |
| JPS5340779A (en) | Optically active tolpertisone, their preparation and pharmaceuticals containting the same | |
| JPS5422323A (en) | Preparation of urea for industrial uses | |
| AR213444A1 (es) | Procedimiento para sintetizar urea a partir de amoniaco y dioxido de carbono | |
| JPS5239626A (en) | Separation and recovery process of unreacted material on urea synthesi s | |
| JPS53102900A (en) | Preparation of cubic bn | |
| JPS51120991A (en) | Catalyzer active at low temperature for noxreduction | |
| JPS5311185A (en) | Ammonia gas decomposition catalyst | |
| JPS5243803A (en) | Catalytic gasification of carbonaceous substances | |
| JPS52123371A (en) | Decomposition of nitrogen oxides by catalytic reduction | |
| JPS51149165A (en) | A process for decomposing ammonia gas | |
| JPS53101317A (en) | Preparation of nitoranilene | |
| JPS5363323A (en) | Preparation of 3,5-dichloroaniline | |
| IT1087904B (it) | Prdotto e procedimento realizzanti, a temperatura ambiente ed a pressione ordinaria, la produziome di ammoniaca mediante fissazione dell'azoto atmosferico. | |
| JPS5412312A (en) | Preparation of ketazine |