BG26665A3 - Метод за получаване на карбамид - Google Patents
Метод за получаване на карбамидInfo
- Publication number
- BG26665A3 BG26665A3 BG019391A BG1939171A BG26665A3 BG 26665 A3 BG26665 A3 BG 26665A3 BG 019391 A BG019391 A BG 019391A BG 1939171 A BG1939171 A BG 1939171A BG 26665 A3 BG26665 A3 BG 26665A3
- Authority
- BG
- Bulgaria
- Prior art keywords
- obtaining urea
- urea
- obtaining
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 239000004202 carbamide 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7019056,A NL168506C (nl) | 1970-12-31 | 1970-12-31 | Werkwijze voor de bereiding van ureum. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG26665A3 true BG26665A3 (bg) | 1979-05-15 |
Family
ID=19811940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG019391A BG26665A3 (bg) | 1970-12-31 | 1971-12-31 | Метод за получаване на карбамид |
Country Status (23)
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4092358A (en) * | 1968-09-03 | 1978-05-30 | Snamprogetti S.P.A. | Process for the production of urea having a low carbamate content |
| BE790015A (fr) * | 1971-10-19 | 1973-04-12 | Mavrovic Ivo | Synthese de l'uree avec conversion et recuperation de chaleur ameliorees |
| CA1017535A (en) * | 1974-03-29 | 1977-09-20 | Charles Vydra | Method and apparatus for the continuous condensation of a gaseous mixture of ammonia, carbon dioxide and water vapour |
| NL7612162A (nl) * | 1976-11-03 | 1978-05-08 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van een ureum- oplossing uit nh3 en co2. |
| NO150512C (no) * | 1977-05-05 | 1984-10-31 | Montedison Spa | Fremgangsmaate ved fremstilling av urea. |
| JPS55119464A (en) * | 1979-03-09 | 1980-09-13 | Ee K Deyuaru Kk | Sealant coating device to screw thread of joint and valve |
| 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. |
| NL8104039A (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. |
| ZA9510881B (en) * | 1994-12-23 | 1996-08-14 | Urea Casale Sa | Process for plant for urea production with reaction spaces having differentiated yields |
| IT1275451B (it) † | 1995-06-30 | 1997-08-07 | Snam Progetti | Procedimento per la sintesi dell'urea comprendente due separate zone di reazione |
| JP3987607B2 (ja) | 1996-10-07 | 2007-10-10 | 東洋エンジニアリング株式会社 | 改良された尿素合成方法および装置 |
| RU2117002C1 (ru) * | 1997-05-06 | 1998-08-10 | Арон Беркович Гендельман | Способ получения карбамида |
| EP1491526A1 (en) * | 2003-06-27 | 2004-12-29 | Urea Casale S.A. | Process and plant for urea production |
| US7238231B1 (en) * | 2006-11-16 | 2007-07-03 | Tronox Llc | Process for manufacturing zirconia-treated titanium dioxide pigments |
| DE102010009502A1 (de) * | 2010-02-26 | 2011-09-01 | Spawnt Private S.À.R.L. | Verfahren zur Herstellung von Harnstoff |
| CN110590605B (zh) * | 2019-10-11 | 2021-08-24 | 重庆化工职业学院 | 一种氨基甲酸甲酯的生产方法 |
| CN114733336A (zh) * | 2022-04-08 | 2022-07-12 | 华润电力(宁武)有限公司 | 一种防止尿素溶液输送管路堵塞的系统 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3310376A (en) * | 1963-09-09 | 1967-03-21 | Chemical Construction Corp | Process for combined production of ammonia and urea |
| US3406201A (en) * | 1965-06-18 | 1968-10-15 | Exxon Research Engineering Co | Urea synthesis |
| US3503970A (en) * | 1967-07-19 | 1970-03-31 | Mitsui Toatsu Chemicals | Integrated process for producing urea and melamine |
-
1970
- 1970-12-31 NL NLAANVRAGE7019056,A patent/NL168506C/xx not_active IP Right Cessation
-
1971
- 1971-12-22 ZA ZA718580A patent/ZA718580B/xx unknown
- 1971-12-28 SU SU711731621A patent/SU651692A3/ru active
- 1971-12-28 US US213115A patent/US3867442A/en not_active Expired - Lifetime
- 1971-12-28 JP JP47003828A patent/JPS511691B1/ja active Pending
- 1971-12-29 AT AT1121671A patent/AT319965B/de not_active IP Right Cessation
- 1971-12-29 FR FR7147281A patent/FR2121068A5/fr not_active Expired
- 1971-12-29 BE BE777470A patent/BE777470A/xx not_active IP Right Cessation
- 1971-12-29 NO NO4930/71A patent/NO135246C/no unknown
- 1971-12-29 PL PL1971152555A patent/PL90701B1/pl unknown
- 1971-12-29 GB GB6034371A patent/GB1365707A/en not_active Expired
- 1971-12-29 CA CA131,228A patent/CA973564A/en not_active Expired
- 1971-12-29 HU HUSA2297A patent/HU168681B/hu unknown
- 1971-12-30 ES ES398493A patent/ES398493A1/es not_active Expired
- 1971-12-30 SE SE7116946A patent/SE420719B/xx unknown
- 1971-12-30 RO RO7100069266A patent/RO63722A/ro unknown
- 1971-12-30 BR BR8671/71A patent/BR7108671D0/pt unknown
- 1971-12-30 IT IT55121/71A patent/IT945737B/it active
- 1971-12-30 CS CS9139A patent/CS171245B2/cs unknown
- 1971-12-30 DE DE2165711A patent/DE2165711C3/de not_active Expired
- 1971-12-31 YU YU3326/71A patent/YU39704B/xx unknown
- 1971-12-31 FI FI3764/71A patent/FI54914C/fi active
- 1971-12-31 BG BG019391A patent/BG26665A3/xx unknown
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