BG60675B1 - Метод за производство на карбамид с висок енергиен коефициент на полезно действие - Google Patents
Метод за производство на карбамид с висок енергиен коефициент на полезно действие Download PDFInfo
- Publication number
- BG60675B1 BG60675B1 BG96104A BG9610492A BG60675B1 BG 60675 B1 BG60675 B1 BG 60675B1 BG 96104 A BG96104 A BG 96104A BG 9610492 A BG9610492 A BG 9610492A BG 60675 B1 BG60675 B1 BG 60675B1
- Authority
- BG
- Bulgaria
- Prior art keywords
- urea
- pressure
- condensation
- decomposition
- mpa
- 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 |
---|---|---|---|
ITMI910778A IT1245396B (it) | 1991-03-22 | 1991-03-22 | Procedimento per la produzione di urea ad elevata efficienza energetica |
Publications (2)
Publication Number | Publication Date |
---|---|
BG96104A BG96104A (bg) | 1993-12-24 |
BG60675B1 true BG60675B1 (bg) | 1995-12-29 |
Family
ID=11359193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BG96104A BG60675B1 (bg) | 1991-03-22 | 1992-03-19 | Метод за производство на карбамид с висок енергиен коефициент на полезно действие |
Country Status (13)
Country | Link |
---|---|
US (1) | US5359140A (de) |
EP (1) | EP0504966B1 (de) |
CN (1) | CN1035003C (de) |
AT (1) | ATE115120T1 (de) |
BG (1) | BG60675B1 (de) |
BR (1) | BR9200986A (de) |
CA (1) | CA2063638C (de) |
DE (1) | DE69200785T2 (de) |
ES (1) | ES2065124T3 (de) |
IT (1) | IT1245396B (de) |
MX (1) | MX9201249A (de) |
RU (1) | RU2043336C1 (de) |
SA (1) | SA92120474B1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69117641T2 (de) * | 1990-10-05 | 1996-10-02 | Urea Casale Sa | Verfahren zur Herstellung von Harnstoff mit unterschiedlichen Leistungen sowie die Implementierung in existierenden Anlagen |
CA2107253C (en) * | 1992-12-15 | 1998-04-21 | Anthony Castrogiovanni | Cosmetic compositions with improved transfer resistance |
EP0611753B1 (de) * | 1993-01-07 | 1999-10-27 | Urea Casale S.A. | Verbessertes Verfahren zur Produktion von Harnstoff unter Verwendung eines Schrittes zur Kohlendioxidentfernung |
DE69708627T2 (de) * | 1997-09-20 | 2002-08-08 | Urea Casale S.A., Lugano | Verfahren zur kombinierten Erzeugung von Ammoniak und Harnstoff |
DE60133894D1 (de) * | 2000-06-15 | 2008-06-19 | Urea Casale Sa | Verfahren und vorrichtung zur herstellung von harnstoff |
ITMI20071029A1 (it) * | 2007-05-22 | 2008-11-23 | Snam Progetti | Procedimento migliorato per la sintesi di urea |
EP2153880A1 (de) * | 2008-07-31 | 2010-02-17 | Urea Casale S.A. | Verfahren und Anlage zur Herstellung einer Harnstofflösung zur Verwendung in einem SCR-Prozess zur Nox-Verringerung |
EP2199279A1 (de) | 2008-12-17 | 2010-06-23 | Urea Casale S.A. | Verbesserung der Hochdruck-Schleife in einem Verfahren zur Harnstoffsynthese |
EP2397463A1 (de) * | 2010-06-16 | 2011-12-21 | Urea Casale SA | Verfahren zur Modernisierung einer selbst-strippenden Harnstoffanlage |
ITMI20120013A1 (it) * | 2012-01-09 | 2013-07-10 | Saipem Spa | Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper |
CN104557615B (zh) * | 2014-12-22 | 2016-09-07 | 嵊州领航信息科技有限公司 | 一种合成尿素溶液的生产装置 |
CN104529828B (zh) * | 2014-12-22 | 2016-09-07 | 嵊州领航信息科技有限公司 | 一种合成尿素的生产装置 |
CN104557616B (zh) * | 2014-12-22 | 2016-06-22 | 嵊州领航信息科技有限公司 | 一种合成尿素溶液的方法 |
CN104529829B (zh) * | 2014-12-22 | 2016-06-15 | 嵊州领航信息科技有限公司 | 一种尿素合成的方法 |
JP7094453B2 (ja) * | 2018-12-21 | 2022-07-01 | スタミカーボン・ベー・フェー | 尿素製造プロセス及び低圧回収部における熱統合を有するプラント |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO150512C (no) * | 1977-05-05 | 1984-10-31 | Montedison Spa | Fremgangsmaate ved fremstilling av urea. |
IT1141030B (it) * | 1980-08-29 | 1986-10-01 | Snam Progetti | Procedimento per la produzione di urea |
IT1212524B (it) * | 1982-06-08 | 1989-11-30 | Montedison Spa | Procedimento perfezionato per il trasferimento, dalla fase liquida alla fase gassosa, dell'ammoniaca in eccesso contenuta in soluzioni acquose di urea. |
NL8502228A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
IT1232669B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la produzione di urea con elevato rendimento energetico. |
-
1991
- 1991-03-22 IT ITMI910778A patent/IT1245396B/it active IP Right Grant
-
1992
- 1992-03-04 AT AT92200626T patent/ATE115120T1/de active
- 1992-03-04 EP EP92200626A patent/EP0504966B1/de not_active Expired - Lifetime
- 1992-03-04 DE DE69200785T patent/DE69200785T2/de not_active Expired - Lifetime
- 1992-03-04 ES ES92200626T patent/ES2065124T3/es not_active Expired - Lifetime
- 1992-03-19 BG BG96104A patent/BG60675B1/bg unknown
- 1992-03-19 US US07/854,298 patent/US5359140A/en not_active Expired - Lifetime
- 1992-03-20 BR BR929200986A patent/BR9200986A/pt not_active Application Discontinuation
- 1992-03-20 RU SU925011231A patent/RU2043336C1/ru active
- 1992-03-20 CA CA002063638A patent/CA2063638C/en not_active Expired - Lifetime
- 1992-03-20 MX MX9201249A patent/MX9201249A/es unknown
- 1992-03-21 CN CN92101898A patent/CN1035003C/zh not_active Expired - Fee Related
- 1992-04-29 SA SA92120474A patent/SA92120474B1/ar unknown
Also Published As
Publication number | Publication date |
---|---|
SA92120474B1 (ar) | 2004-05-11 |
MX9201249A (es) | 1992-09-01 |
ITMI910778A1 (it) | 1992-09-22 |
IT1245396B (it) | 1994-09-20 |
CN1035003C (zh) | 1997-05-28 |
BR9200986A (pt) | 1992-11-17 |
ITMI910778A0 (it) | 1991-03-22 |
CA2063638A1 (en) | 1992-09-23 |
EP0504966B1 (de) | 1994-12-07 |
EP0504966A1 (de) | 1992-09-23 |
CA2063638C (en) | 2005-11-08 |
DE69200785D1 (de) | 1995-01-19 |
RU2043336C1 (ru) | 1995-09-10 |
DE69200785T2 (de) | 1995-05-11 |
ATE115120T1 (de) | 1994-12-15 |
BG96104A (bg) | 1993-12-24 |
US5359140A (en) | 1994-10-25 |
ES2065124T3 (es) | 1995-02-01 |
CN1065452A (zh) | 1992-10-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0417830B1 (de) | Verfahren mit hoher Energieleistung zur Herstellung von Harnstoff | |
EP1203765B1 (de) | Verfahren zur Herstellung von Harnstoff | |
BG60675B1 (bg) | Метод за производство на карбамид с висок енергиен коефициент на полезно действие | |
KR100407370B1 (ko) | 요소 진공증발기로부터의 증기내 응축성물의 회수방법 및 장치 | |
US4539077A (en) | Process for the preparation of urea | |
KR860000189B1 (ko) | 요소, 암모니아, 이산화탄소를 함유한 묽은 수용액으로 부터 요소, 암모니아, 이산화탄소를 제거하는 방법 | |
US4053507A (en) | Method of recovering unreacted materials and heat in urea synthesis | |
RU2386621C2 (ru) | Интегрированный способ получения мочевины/меламина и соответствующая установка | |
RU2196767C2 (ru) | Способ совместного производства аммиака и мочевины, установка для осуществления способа, способ модернизации установок синтеза аммиака и синтеза мочевины | |
JPS6058228B2 (ja) | 尿素の製造と水の純化とを実施する方法 | |
SU651692A3 (ru) | Способ получени мочевины из аммиака и двуокиси углерода | |
CN113195449A (zh) | 在低压回收段具有热整合的尿素生产方法和装置 | |
US5384404A (en) | Process for manufacturing melamine from urea | |
RU2131868C1 (ru) | Способ получения мочевины (варианты) и установка для его осуществления | |
KR870001143B1 (ko) | 요소의 제조방법 | |
RU2127257C1 (ru) | Способ получения мочевины и установка для производства мочевины | |
WO2006112751A1 (fr) | Procede et dispositif de production de carbamide | |
US3436317A (en) | Treatment of unreacted substances in urea synthesis | |
RU2811862C1 (ru) | Способ и установка для получения карбамида | |
JPH0566380B2 (de) | ||
CA3132259A1 (en) | Process and apparatus for urea production | |
JPS585190B2 (ja) | 尿素合成における未反応物の分離回収方法 | |
RU2069657C1 (ru) | Способ получения карбамида | |
JPS58203956A (ja) | 尿素合成法の改良 | |
JPS63208563A (ja) | 尿素製造方法 |