JPS6239559A - 尿素の製法 - Google Patents
尿素の製法Info
- Publication number
- JPS6239559A JPS6239559A JP61187947A JP18794786A JPS6239559A JP S6239559 A JPS6239559 A JP S6239559A JP 61187947 A JP61187947 A JP 61187947A JP 18794786 A JP18794786 A JP 18794786A JP S6239559 A JPS6239559 A JP S6239559A
- Authority
- JP
- Japan
- Prior art keywords
- urea
- solution
- zone
- pressure
- gas mixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8502227A NL8502227A (nl) | 1985-08-12 | 1985-08-12 | Werkwijze voor de bereiding van ureum. |
NL8502227 | 1985-08-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6239559A true JPS6239559A (ja) | 1987-02-20 |
Family
ID=19846410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61187947A Pending JPS6239559A (ja) | 1985-08-12 | 1986-08-12 | 尿素の製法 |
Country Status (19)
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6426434B1 (en) | 2000-11-01 | 2002-07-30 | Toyo Engineering Corporation | Process for the synthesis of urea |
JP2003104949A (ja) * | 2001-07-23 | 2003-04-09 | Toyo Eng Corp | 尿素合成方法 |
JPWO2017043390A1 (ja) * | 2015-09-08 | 2018-08-02 | 東洋エンジニアリング株式会社 | 尿素製造方法及び尿素製造装置 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8800259A (nl) * | 1988-02-04 | 1989-09-01 | Stamicarbon | Werkwijze voor het concentreren van een ureumoplossing. |
IT1232669B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la produzione di urea con elevato rendimento energetico. |
EP0544056B1 (en) * | 1991-11-14 | 1998-06-24 | Urea Casale S.A. | Process for urea production with differentiated yield reaction spaces |
US5523482A (en) * | 1993-05-14 | 1996-06-04 | Urea Casale S.A. | Process and plant for the production of urea in reaction spaces with different yields |
ZA96686B (en) * | 1995-02-01 | 1996-08-16 | Urea Casale Sa | Process and plant for the production of urea with high conversion yield and low energy consumption |
IT1274362B (it) * | 1995-02-16 | 1997-07-17 | Snam Progetti | Procedimento ad alta resa per la sintesi dell'urea |
US5597454A (en) * | 1995-04-06 | 1997-01-28 | Lee; Jing M. | Process for producing urea |
EP1279663B2 (en) † | 2001-07-23 | 2010-07-28 | Toyo Engineering Corporation | Urea synthesis process |
EP1918273A1 (en) * | 2006-11-04 | 2008-05-07 | Urea Casale S.A. | Process for urea production and related plant |
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 |
ITMI20110804A1 (it) | 2011-05-10 | 2012-11-11 | Saipem Spa | "processo ad alta resa per la sintesi dell'urea" |
ITMI20120013A1 (it) | 2012-01-09 | 2013-07-10 | Saipem Spa | Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper |
JP2024506980A (ja) | 2021-02-22 | 2024-02-15 | スタミカーボン・ベー・フェー | 尿素製造プロセス及び並列mpユニットを備えたプラント |
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 |
NL8303888A (nl) * | 1983-11-13 | 1985-06-03 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
-
1985
- 1985-08-12 NL NL8502227A patent/NL8502227A/nl not_active Application Discontinuation
-
1986
- 1986-08-02 KR KR1019860006383A patent/KR870002057A/ko not_active Application Discontinuation
- 1986-08-06 YU YU01397/86A patent/YU139786A/xx unknown
- 1986-08-07 EP EP86201386A patent/EP0212744A1/en not_active Withdrawn
- 1986-08-08 HU HU863515A patent/HUT45970A/hu unknown
- 1986-08-08 ZA ZA865985A patent/ZA865985B/xx unknown
- 1986-08-08 SU SU864027931A patent/SU1494865A3/ru active
- 1986-08-08 GR GR862097A patent/GR862097B/el unknown
- 1986-08-08 BR BR8603801A patent/BR8603801A/pt unknown
- 1986-08-08 ES ES8600966A patent/ES2000389A6/es not_active Expired
- 1986-08-08 NO NO863211A patent/NO163097C/no unknown
- 1986-08-09 CN CN198686105256A patent/CN86105256A/zh active Pending
- 1986-08-11 TR TR449/86A patent/TR22843A/xx unknown
- 1986-08-11 IL IL79678A patent/IL79678A0/xx unknown
- 1986-08-11 BG BG076137A patent/BG45384A3/xx unknown
- 1986-08-11 US US06/895,430 patent/US4801745A/en not_active Expired - Fee Related
- 1986-08-11 AU AU61039/86A patent/AU592360B2/en not_active Expired - Fee Related
- 1986-08-12 JP JP61187947A patent/JPS6239559A/ja active Pending
- 1986-08-12 OA OA58927A patent/OA08383A/xx unknown
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6426434B1 (en) | 2000-11-01 | 2002-07-30 | Toyo Engineering Corporation | Process for the synthesis of urea |
JP2003104949A (ja) * | 2001-07-23 | 2003-04-09 | Toyo Eng Corp | 尿素合成方法 |
JP4627959B2 (ja) * | 2001-07-23 | 2011-02-09 | 東洋エンジニアリング株式会社 | 尿素合成方法 |
JPWO2017043390A1 (ja) * | 2015-09-08 | 2018-08-02 | 東洋エンジニアリング株式会社 | 尿素製造方法及び尿素製造装置 |
Also Published As
Publication number | Publication date |
---|---|
BG45384A3 (bg) | 1989-05-15 |
ES2000389A6 (es) | 1988-02-16 |
OA08383A (fr) | 1988-02-29 |
AU6103986A (en) | 1987-02-19 |
US4801745A (en) | 1989-01-31 |
GR862097B (en) | 1986-12-30 |
HUT45970A (en) | 1988-09-28 |
NO163097B (no) | 1989-12-27 |
TR22843A (tr) | 1988-08-22 |
SU1494865A3 (ru) | 1989-07-15 |
AU592360B2 (en) | 1990-01-11 |
NL8502227A (nl) | 1987-03-02 |
NO163097C (no) | 1990-04-04 |
YU139786A (en) | 1988-04-30 |
NO863211L (no) | 1987-02-13 |
IL79678A0 (en) | 1986-11-30 |
ZA865985B (en) | 1987-03-25 |
KR870002057A (ko) | 1987-03-28 |
EP0212744A1 (en) | 1987-03-04 |
BR8603801A (pt) | 1987-03-17 |
NO863211D0 (no) | 1986-08-08 |
CN86105256A (zh) | 1987-04-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6239559A (ja) | 尿素の製法 | |
US5849952A (en) | Urea production process with high energy efficiency | |
AU592107B2 (en) | Process for the preparation of urea | |
US4539077A (en) | Process for the preparation of urea | |
KR101199734B1 (ko) | 요소의 제조 방법 | |
HU188717B (en) | Method for removing the urea, ammonia and carbon dioxide from lean aqueous solution | |
US4433146A (en) | Process for the preparation of melamine | |
NO752079L (US20110158925A1-20110630-C00013.png) | ||
SU1064863A3 (ru) | Способ получени мочевины | |
US4504679A (en) | Process for synthesizing urea | |
EP2521710B1 (en) | A urea stripping process for the production of urea | |
EP0145054B1 (en) | Process for preparing urea | |
EP0266840A1 (en) | Process for preparing urea | |
US3471558A (en) | Method for the decomposition and evaporation of urea synthesis effluent | |
US3668250A (en) | Urea synthesis process | |
JPS6058744B2 (ja) | Nh↓3とco↓2から尿素溶液を製造する方法 | |
US3232982A (en) | Urea synthesis | |
WO2024112196A1 (en) | Coupled urea melamine plant | |
SU370774A1 (ru) | Способ совместного получения мочевины и меламина | |
JPH024587B2 (US20110158925A1-20110630-C00013.png) | ||
KR830002201B1 (ko) | 요소의 제조방법 | |
RU2069657C1 (ru) | Способ получения карбамида | |
SA03240221B1 (ar) | عملية لزيادة قدرة وحدة انتاج اليوريا |