NL8502228A - Werkwijze voor de bereiding van ureum. - Google Patents
Werkwijze voor de bereiding van ureum. Download PDFInfo
- Publication number
- NL8502228A NL8502228A NL8502228A NL8502228A NL8502228A NL 8502228 A NL8502228 A NL 8502228A NL 8502228 A NL8502228 A NL 8502228A NL 8502228 A NL8502228 A NL 8502228A NL 8502228 A NL8502228 A NL 8502228A
- Authority
- NL
- Netherlands
- Prior art keywords
- urea
- solution
- pressure
- zone
- carbamate
- 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)
- Saccharide Compounds (AREA)
Priority Applications (19)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8502228A NL8502228A (nl) | 1985-08-12 | 1985-08-12 | Werkwijze voor de bereiding van ureum. |
KR1019860006384A KR870002058A (ko) | 1985-08-12 | 1986-08-02 | 요소의 제조 방법 |
YU01398/86A YU139886A (en) | 1985-08-12 | 1986-08-06 | Process for obtaining carbamide |
EP86201387A EP0213669A1 (en) | 1985-08-12 | 1986-08-07 | Process for the preparation of urea |
HU863514A HUT45969A (en) | 1985-08-12 | 1986-08-08 | Process for production of carbamides |
GR862096A GR862096B (en) | 1985-08-12 | 1986-08-08 | Process for the preparation of urea |
NO863212A NO163098C (no) | 1985-08-12 | 1986-08-08 | Fremgangsmaate ved fremstilling av urea. |
ZA865986A ZA865986B (en) | 1985-08-12 | 1986-08-08 | Process for the preparation of urea |
ES8600967A ES2000605A6 (es) | 1985-08-12 | 1986-08-08 | Un procedimiento para la preparacion de urea |
SU864027930A SU1494864A3 (ru) | 1985-08-12 | 1986-08-08 | Способ получени мочевины |
BR8603803A BR8603803A (pt) | 1985-08-12 | 1986-08-08 | Processo para a preparacao de ureia e ureia e solucao de ureia assim preparadas |
CN198686105057A CN86105057A (zh) | 1985-08-12 | 1986-08-09 | 制备脲素的方法 |
BG8676138A BG45386A3 (US08080257-20111220-C00005.png) | 1985-08-12 | 1986-08-11 | |
AU61040/86A AU592107B2 (en) | 1985-08-12 | 1986-08-11 | Process for the preparation of urea |
IL79679A IL79679A0 (en) | 1985-08-12 | 1986-08-11 | Preparation of urea |
US06/895,429 US4801746A (en) | 1985-08-12 | 1986-08-11 | Process for the preparation of urea |
TR35056A TR22836A (tr) | 1985-08-12 | 1986-08-11 | Amonyak ve karbon dioksit uere hazirlanmasi icin yoentem |
OA58928A OA08384A (fr) | 1985-08-12 | 1986-08-12 | Procédé de préparation de l'urée. |
JP61187948A JPS6239560A (ja) | 1985-08-12 | 1986-08-12 | 尿素の製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8502228A NL8502228A (nl) | 1985-08-12 | 1985-08-12 | Werkwijze voor de bereiding van ureum. |
NL8502228 | 1985-08-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8502228A true NL8502228A (nl) | 1987-03-02 |
Family
ID=19846411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8502228A NL8502228A (nl) | 1985-08-12 | 1985-08-12 | Werkwijze voor de bereiding van ureum. |
Country Status (19)
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 |
US5767313A (en) * | 1995-05-23 | 1998-06-16 | Dsm N.V. | Method for the preparation of urea |
NL1000416C2 (nl) * | 1995-05-23 | 1996-11-25 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
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 |
CN103553953A (zh) | 2009-05-01 | 2014-02-05 | 出光兴产株式会社 | α β不饱和羧酸-N,N二取代酰胺以及3-烷氧基羧酸-N,N二取代酰胺的制造方法 |
AP2015008643A0 (en) * | 2013-02-08 | 2015-08-31 | Toyo Engineering Corp | Process for recovering carbon dioxide from combustion exhaust gas |
BR112017010834B1 (pt) * | 2014-11-27 | 2020-02-04 | Stamicarbon | método e instalação para produzir ureia-nitrato de amônio (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 |
EP4169901A4 (en) * | 2020-06-05 | 2024-06-05 | National Institute Of Advanced Industrial Science and Technology | CARBAMATE PRODUCTION PROCESS, CARBAMATE ESTER PRODUCTION PROCESS AND UREA DERIVATIVE PRODUCTION PROCESS |
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 NO NO863212A patent/NO163098C/no unknown
- 1986-08-08 ES ES8600967A patent/ES2000605A6/es not_active Expired
- 1986-08-08 SU SU864027930A patent/SU1494864A3/ru active
- 1986-08-08 ZA ZA865986A patent/ZA865986B/xx unknown
- 1986-08-08 HU HU863514A patent/HUT45969A/hu unknown
- 1986-08-08 BR BR8603803A patent/BR8603803A/pt unknown
- 1986-08-08 GR GR862096A patent/GR862096B/el unknown
- 1986-08-09 CN CN198686105057A patent/CN86105057A/zh active Pending
- 1986-08-11 TR TR35056A patent/TR22836A/xx unknown
- 1986-08-11 IL IL79679A patent/IL79679A0/xx unknown
- 1986-08-11 AU AU61040/86A patent/AU592107B2/en not_active Expired - Fee Related
- 1986-08-11 US US06/895,429 patent/US4801746A/en not_active Expired - Fee Related
- 1986-08-11 BG BG8676138A patent/BG45386A3/xx unknown
- 1986-08-12 OA OA58928A patent/OA08384A/xx unknown
- 1986-08-12 JP JP61187948A patent/JPS6239560A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NO163098C (no) | 1990-04-04 |
SU1494864A3 (ru) | 1989-07-15 |
BG45386A3 (US08080257-20111220-C00005.png) | 1989-05-15 |
IL79679A0 (en) | 1986-11-30 |
ZA865986B (en) | 1987-06-24 |
GR862096B (en) | 1986-12-30 |
KR870002058A (ko) | 1987-03-28 |
OA08384A (fr) | 1988-02-29 |
AU6104086A (en) | 1987-02-26 |
JPS6239560A (ja) | 1987-02-20 |
AU592107B2 (en) | 1990-01-04 |
BR8603803A (pt) | 1987-03-17 |
NO863212D0 (no) | 1986-08-08 |
CN86105057A (zh) | 1987-04-01 |
HUT45969A (en) | 1988-09-28 |
NO863212L (no) | 1987-02-13 |
TR22836A (tr) | 1988-08-18 |
ES2000605A6 (es) | 1988-03-01 |
YU139886A (en) | 1988-06-30 |
EP0213669A1 (en) | 1987-03-11 |
US4801746A (en) | 1989-01-31 |
NO163098B (no) | 1989-12-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |