BG45386A3 - Метод за получаване на карбамид - Google Patents
Метод за получаване на карбамидInfo
- Publication number
- BG45386A3 BG45386A3 BG076138A BG7613886A BG45386A3 BG 45386 A3 BG45386 A3 BG 45386A3 BG 076138 A BG076138 A BG 076138A BG 7613886 A BG7613886 A BG 7613886A BG 45386 A3 BG45386 A3 BG 45386A3
- Authority
- BG
- Bulgaria
- Prior art keywords
- urea
- solution
- synthesis
- additional
- gas mixture
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 9
- 239000004202 carbamide Substances 0.000 title abstract 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 8
- 230000015572 biosynthetic process Effects 0.000 abstract 7
- 238000003786 synthesis reaction Methods 0.000 abstract 7
- 238000000354 decomposition reaction Methods 0.000 abstract 5
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 4
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 abstract 3
- 239000001569 carbon dioxide Substances 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000012141 concentrate Substances 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000001308 synthesis method Methods 0.000 abstract 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)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8502228A NL8502228A (nl) | 1985-08-12 | 1985-08-12 | Werkwijze voor de bereiding van ureum. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG45386A3 true BG45386A3 (bg) | 1989-05-15 |
Family
ID=19846411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG076138A BG45386A3 (bg) | 1985-08-12 | 1986-08-11 | Метод за получаване на карбамид |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4801746A (ko) |
| EP (1) | EP0213669A1 (ko) |
| JP (1) | JPS6239560A (ko) |
| KR (1) | KR870002058A (ko) |
| CN (1) | CN86105057A (ko) |
| AU (1) | AU592107B2 (ko) |
| BG (1) | BG45386A3 (ko) |
| BR (1) | BR8603803A (ko) |
| ES (1) | ES2000605A6 (ko) |
| GR (1) | GR862096B (ko) |
| HU (1) | HUT45969A (ko) |
| IL (1) | IL79679A0 (ko) |
| NL (1) | NL8502228A (ko) |
| NO (1) | NO163098C (ko) |
| OA (1) | OA08384A (ko) |
| SU (1) | SU1494864A3 (ko) |
| TR (1) | TR22836A (ko) |
| YU (1) | YU139886A (ko) |
| ZA (1) | ZA865986B (ko) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8800259A (nl) * | 1988-02-04 | 1989-09-01 | Stamicarbon | Werkwijze voor het concentreren van een ureumoplossing. |
| GB8819291D0 (en) * | 1988-08-12 | 1988-09-14 | British American Tobacco Co | Improvements relating to smoking articles |
| IT1232669B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la produzione di urea con elevato rendimento energetico. |
| IT1245396B (it) * | 1991-03-22 | 1994-09-20 | Snam Progetti | Procedimento per la produzione di urea ad elevata efficienza energetica |
| US6274767B1 (en) * | 1992-11-19 | 2001-08-14 | Urea Casale, S.A. | Process for the revamping of urea synthesis plants consisting of a stripper with ammonia |
| IT1274362B (it) * | 1995-02-16 | 1997-07-17 | Snam Progetti | Procedimento ad alta resa per la sintesi dell'urea |
| NL1000416C2 (nl) * | 1995-05-23 | 1996-11-25 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| US5767313A (en) * | 1995-05-23 | 1998-06-16 | Dsm N.V. | Method for the preparation of urea |
| JP4358428B2 (ja) | 2000-11-01 | 2009-11-04 | 東洋エンジニアリング株式会社 | 尿素製造方法 |
| EP2664610A1 (en) | 2009-05-01 | 2013-11-20 | Idemitsu Kosan Co., Ltd | Method for producing alpha,beta-unsaturated carboxylic acid-N,N-disubstituted amide and method for producing 3-alkoxycarboxylic acid-N,N-disubstituted amide |
| EP2953705A1 (en) * | 2013-02-08 | 2015-12-16 | Toyo Engineering Corporation | Process for recovering carbon dioxide from combustion exhaust gas |
| AR102834A1 (es) * | 2014-11-27 | 2017-03-29 | Stamicarbon | Método y planta para producir nitrato de amonio-urea (uan) |
| CN104591807A (zh) * | 2014-12-22 | 2015-05-06 | 广西大学 | 一种从尿液中提取氨合成尿素的制作工艺 |
| CN105344208A (zh) * | 2015-11-23 | 2016-02-24 | 河南心连心化肥有限公司 | 尿素合成气吸收再循环装置及其再循环方法 |
| DE102016217765A1 (de) * | 2016-09-16 | 2018-03-22 | Thyssenkrupp Ag | Anordnung und Verfahren zur Kondensation eines heißen sauren Gasgemischs |
| US20230212110A1 (en) * | 2020-06-05 | 2023-07-06 | National Institute Of Advanced Industrial Science And Technology | Carbamate production method, carbamate ester production method, and urea derivative production method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3406201A (en) * | 1965-06-18 | 1968-10-15 | Exxon Research Engineering Co | Urea synthesis |
| NL172058C (nl) * | 1972-06-12 | 1983-07-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| 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 |
| IT1065422B (it) * | 1976-12-23 | 1985-02-25 | Snam Progetti | Processo ammoniaca-urea integrato per la produzione di urea |
| JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| GB2089786B (en) * | 1980-12-23 | 1985-02-20 | Mitsui Toatsu Chemicals | Process for synthesizing urea |
| NL8602770A (nl) * | 1986-11-03 | 1988-06-01 | Stamicarbon | Werkwijze voor de bereiding van ureum. |
-
1985
- 1985-08-12 NL NL8502228A patent/NL8502228A/nl not_active Application Discontinuation
-
1986
- 1986-08-02 KR KR1019860006384A patent/KR870002058A/ko not_active Application Discontinuation
- 1986-08-06 YU YU01398/86A patent/YU139886A/xx unknown
- 1986-08-07 EP EP86201387A patent/EP0213669A1/en not_active Withdrawn
- 1986-08-08 BR BR8603803A patent/BR8603803A/pt unknown
- 1986-08-08 NO NO863212A patent/NO163098C/no unknown
- 1986-08-08 HU HU863514A patent/HUT45969A/hu unknown
- 1986-08-08 SU SU864027930A patent/SU1494864A3/ru active
- 1986-08-08 ES ES8600967A patent/ES2000605A6/es not_active Expired
- 1986-08-08 GR GR862096A patent/GR862096B/el unknown
- 1986-08-08 ZA ZA865986A patent/ZA865986B/xx unknown
- 1986-08-09 CN CN198686105057A patent/CN86105057A/zh active Pending
- 1986-08-11 AU AU61040/86A patent/AU592107B2/en not_active Expired - Fee Related
- 1986-08-11 IL IL79679A patent/IL79679A0/xx unknown
- 1986-08-11 TR TR35056A patent/TR22836A/xx unknown
- 1986-08-11 US US06/895,429 patent/US4801746A/en not_active Expired - Fee Related
- 1986-08-11 BG BG076138A patent/BG45386A3/xx unknown
- 1986-08-12 JP JP61187948A patent/JPS6239560A/ja active Pending
- 1986-08-12 OA OA58928A patent/OA08384A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR8603803A (pt) | 1987-03-17 |
| KR870002058A (ko) | 1987-03-28 |
| SU1494864A3 (ru) | 1989-07-15 |
| NO863212L (no) | 1987-02-13 |
| CN86105057A (zh) | 1987-04-01 |
| GR862096B (en) | 1986-12-30 |
| ES2000605A6 (es) | 1988-03-01 |
| US4801746A (en) | 1989-01-31 |
| HUT45969A (en) | 1988-09-28 |
| ZA865986B (en) | 1987-06-24 |
| YU139886A (en) | 1988-06-30 |
| NO163098C (no) | 1990-04-04 |
| AU6104086A (en) | 1987-02-26 |
| OA08384A (fr) | 1988-02-29 |
| AU592107B2 (en) | 1990-01-04 |
| TR22836A (tr) | 1988-08-18 |
| NO863212D0 (no) | 1986-08-08 |
| JPS6239560A (ja) | 1987-02-20 |
| NL8502228A (nl) | 1987-03-02 |
| IL79679A0 (en) | 1986-11-30 |
| NO163098B (no) | 1989-12-27 |
| EP0213669A1 (en) | 1987-03-11 |
Similar Documents
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|---|---|---|
| BG45386A3 (bg) | Метод за получаване на карбамид | |
| ES541294A0 (es) | Un procedimiento para la preparacion de urea | |
| BG45384A3 (bg) | Метод за получаване на карбамид | |
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| GB1505445A (en) | Synthesis of urea | |
| TNSN87124A1 (fr) | Procede de preparation d'uree | |
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| EA199800056A1 (ru) | Способ повышения производительности существующего процесса получения мочевины | |
| ES443998A1 (es) | Procedimiento para el tratamiento de vapor de agua generado al concentrar una solucion acuosa de urea. | |
| US3107149A (en) | Method of separating ammonia from carbon dioxide | |
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