BR8105695A - Processo para sintese de ureia - Google Patents
Processo para sintese de ureiaInfo
- Publication number
- BR8105695A BR8105695A BR8105695A BR8105695A BR8105695A BR 8105695 A BR8105695 A BR 8105695A BR 8105695 A BR8105695 A BR 8105695A BR 8105695 A BR8105695 A BR 8105695A BR 8105695 A BR8105695 A BR 8105695A
- Authority
- BR
- Brazil
- Prior art keywords
- urea synthesis
- urea
- synthesis
- 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 |
|---|---|---|---|
| JP55122328A JPS5746954A (en) | 1980-09-05 | 1980-09-05 | Synthesis of urea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8105695A true BR8105695A (pt) | 1982-05-25 |
Family
ID=14833242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8105695A BR8105695A (pt) | 1980-09-05 | 1981-09-04 | Processo para sintese de ureia |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4365089A (pt) |
| JP (1) | JPS5746954A (pt) |
| KR (1) | KR870000807B1 (pt) |
| BR (1) | BR8105695A (pt) |
| CA (1) | CA1216861A (pt) |
| DE (1) | DE3135161A1 (pt) |
| FR (1) | FR2489820A1 (pt) |
| GB (1) | GB2083471B (pt) |
| IT (1) | IT1138579B (pt) |
| NL (1) | NL8104071A (pt) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8303888A (nl) * | 1983-11-13 | 1985-06-03 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| JPS63112552A (ja) * | 1986-10-30 | 1988-05-17 | Toyo Eng Corp | 未転化物の分離方法 |
| ITMI20071029A1 (it) * | 2007-05-22 | 2008-11-23 | Snam Progetti | Procedimento migliorato per la sintesi di urea |
| EP2343274A1 (en) * | 2010-01-07 | 2011-07-13 | Stamicarbon B.V. | A urea stripping process for the production of urea |
| CN104744309B (zh) * | 2015-02-18 | 2016-07-06 | 兖矿新疆煤化工有限公司 | 二氧化碳汽提尿素装置无放空高压开车的方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2056283A (en) * | 1933-09-13 | 1936-10-06 | Atmospherie Nitrogen Corp | Process for the production of urea and an ammonium salt |
| US3005849A (en) * | 1958-06-17 | 1961-10-24 | Toyo Koatsu Ind Inc | Urea synthesis using excess ammonia |
| DE1248639B (pt) * | 1959-07-03 | |||
| NL101446C (pt) * | 1960-04-08 | |||
| US3317601A (en) * | 1962-08-08 | 1967-05-02 | Toyo Koatsu Ind Inc | Synthesizing urea |
| CH498811A (de) * | 1967-05-22 | 1970-11-15 | Chemical Construction Corp | Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxyd |
| JPS5175022A (en) * | 1974-12-24 | 1976-06-29 | Mitsui Toatsu Chemicals | Nyosogoseini okeru mihannobutsunoshorihoho |
| 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 |
| NL7713190A (nl) * | 1977-11-30 | 1979-06-01 | Unie Van Kunstmestfab Bv | Werkwijze en inrichting voor het verwijderen van ammoniumcarbamaat uit een ureumsynthese- oplossing. |
| IT1174366B (it) * | 1978-07-24 | 1987-07-01 | Ortu Francesco | Decompositore di carbammato per produzione industriale di urea |
| JPS5573651A (en) * | 1978-11-30 | 1980-06-03 | Toyo Eng Corp | Preparation of urea |
| JPS5811432B2 (ja) * | 1979-10-08 | 1983-03-02 | 三井東圧化学株式会社 | 尿素合成法 |
-
1980
- 1980-09-05 JP JP55122328A patent/JPS5746954A/ja active Pending
-
1981
- 1981-08-18 US US06/293,926 patent/US4365089A/en not_active Expired - Lifetime
- 1981-09-02 NL NL8104071A patent/NL8104071A/nl not_active Application Discontinuation
- 1981-09-04 GB GB8126790A patent/GB2083471B/en not_active Expired
- 1981-09-04 BR BR8105695A patent/BR8105695A/pt unknown
- 1981-09-04 IT IT23811/81A patent/IT1138579B/it active
- 1981-09-04 CA CA000385196A patent/CA1216861A/en not_active Expired
- 1981-09-04 DE DE19813135161 patent/DE3135161A1/de not_active Withdrawn
- 1981-09-05 KR KR1019810003315A patent/KR870000807B1/ko active IP Right Grant
- 1981-09-07 FR FR8116921A patent/FR2489820A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE3135161A1 (de) | 1982-04-08 |
| CA1216861A (en) | 1987-01-20 |
| GB2083471A (en) | 1982-03-24 |
| US4365089A (en) | 1982-12-21 |
| IT8123811A0 (it) | 1981-09-04 |
| NL8104071A (nl) | 1982-04-01 |
| GB2083471B (en) | 1984-09-12 |
| FR2489820A1 (fr) | 1982-03-12 |
| IT1138579B (it) | 1986-09-17 |
| KR870000807B1 (ko) | 1987-04-20 |
| KR830007528A (ko) | 1983-10-21 |
| JPS5746954A (en) | 1982-03-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR8105817A (pt) | Processo para sintese de ureia | |
| BR7901687A (pt) | Processo para sintese de amoniaco | |
| BR8108482A (pt) | Processo para producao de n-fosfonometilglicina | |
| BR8105990A (pt) | Processo para retificar rebolos | |
| BR8206031A (pt) | Processo para sintese de ureia | |
| BR8108402A (pt) | Processo para preparacao de carboximetilcelulose | |
| BR8207839A (pt) | Processo para preparacao de ureia | |
| BR8006441A (pt) | Processo para sintese de ureia | |
| BR8102284A (pt) | Processo para sinteizar ureia | |
| MX160067A (es) | Procedimiento mejorado para producir granulos de urea | |
| BR8107049A (pt) | Processo para producao de enduracidina | |
| BR8101793A (pt) | Processo para producao de n-hidroxialquil-carbazol | |
| BR8105695A (pt) | Processo para sintese de ureia | |
| BR8201327A (pt) | Processo para sintese de mercaptans | |
| BR8105217A (pt) | Processo de producao de ureia | |
| BR8105908A (pt) | Processo para preparacao de acetaldeido | |
| BR8107773A (pt) | Processo para preparar compostos | |
| BR8107756A (pt) | Processo para a preparacao de catalisadores | |
| BR8201694A (pt) | Processo para cloracao alifatica seletiva de alquilbenzenos | |
| IT8025373A0 (it) | Processo per la sintesi di 1-ammino-3-p(b-metossi-etil)-fenossi-2-propanolo | |
| BR8106409A (pt) | Processo para a preparacao de acetaldeido | |
| BR8106408A (pt) | Processo para a preparacao de acetaldeido | |
| BR8105811A (pt) | Processo para a preparacao de n-(ciclohexiltio)-ftalimida | |
| BR8207840A (pt) | Processo para preparacao de ureia | |
| BR8100130A (pt) | Processo para sintese de ureia |