OA08384A - Procédé de préparation de l'urée. - Google Patents
Procédé de préparation de l'urée.Info
- Publication number
- OA08384A OA08384A OA58928A OA58928A OA08384A OA 08384 A OA08384 A OA 08384A OA 58928 A OA58928 A OA 58928A OA 58928 A OA58928 A OA 58928A OA 08384 A OA08384 A OA 08384A
- Authority
- OA
- OAPI
- Prior art keywords
- preparing urea
- urea
- preparing
- 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)
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 |
---|---|
OA08384A true OA08384A (fr) | 1988-02-29 |
Family
ID=19846411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
OA58928A OA08384A (fr) | 1985-08-12 | 1986-08-12 | Procédé de préparation de l'urée. |
Country Status (19)
Country | Link |
---|---|
US (1) | US4801746A (fr) |
EP (1) | EP0213669A1 (fr) |
JP (1) | JPS6239560A (fr) |
KR (1) | KR870002058A (fr) |
CN (1) | CN86105057A (fr) |
AU (1) | AU592107B2 (fr) |
BG (1) | BG45386A3 (fr) |
BR (1) | BR8603803A (fr) |
ES (1) | ES2000605A6 (fr) |
GR (1) | GR862096B (fr) |
HU (1) | HUT45969A (fr) |
IL (1) | IL79679A0 (fr) |
NL (1) | NL8502228A (fr) |
NO (1) | NO163098C (fr) |
OA (1) | OA08384A (fr) |
SU (1) | SU1494864A3 (fr) |
TR (1) | TR22836A (fr) |
YU (1) | YU139886A (fr) |
ZA (1) | ZA865986B (fr) |
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 |
JP5690720B2 (ja) | 2009-05-01 | 2015-03-25 | 出光興産株式会社 | αβ不飽和カルボン酸−N,N二置換アミド及び3−アルコキシカルボン酸−N,N二置換アミドの製造方法 |
WO2014122894A1 (fr) * | 2013-02-08 | 2014-08-14 | Toyo Engineering Corporation | Procédé de récupération de dioxyde de carbone à partir de gaz d'échappement de combustion |
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 |
WO2021246485A1 (fr) * | 2020-06-05 | 2021-12-09 | 国立研究開発法人産業技術総合研究所 | Procédé de fabrication de sel d'acide carbamique, procédé de fabrication d'ester d'acide carbamique, et procédé de fabrication de dérivé d'urée |
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/fr not_active Withdrawn
- 1986-08-08 HU HU863514A patent/HUT45969A/hu unknown
- 1986-08-08 GR GR862096A patent/GR862096B/el unknown
- 1986-08-08 ZA ZA865986A patent/ZA865986B/xx unknown
- 1986-08-08 ES ES8600967A patent/ES2000605A6/es not_active Expired
- 1986-08-08 SU SU864027930A patent/SU1494864A3/ru active
- 1986-08-08 NO NO863212A patent/NO163098C/no unknown
- 1986-08-08 BR BR8603803A patent/BR8603803A/pt unknown
- 1986-08-09 CN CN198686105057A patent/CN86105057A/zh active Pending
- 1986-08-11 TR TR35056A patent/TR22836A/xx unknown
- 1986-08-11 AU AU61040/86A patent/AU592107B2/en not_active Expired - Fee Related
- 1986-08-11 BG BG8676138A patent/BG45386A3/xx unknown
- 1986-08-11 IL IL79679A patent/IL79679A0/xx unknown
- 1986-08-11 US US06/895,429 patent/US4801746A/en not_active Expired - Fee Related
- 1986-08-12 JP JP61187948A patent/JPS6239560A/ja active Pending
- 1986-08-12 OA OA58928A patent/OA08384A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
NO163098C (no) | 1990-04-04 |
US4801746A (en) | 1989-01-31 |
SU1494864A3 (ru) | 1989-07-15 |
HUT45969A (en) | 1988-09-28 |
EP0213669A1 (fr) | 1987-03-11 |
NL8502228A (nl) | 1987-03-02 |
IL79679A0 (en) | 1986-11-30 |
NO863212L (no) | 1987-02-13 |
TR22836A (tr) | 1988-08-18 |
GR862096B (en) | 1986-12-30 |
KR870002058A (ko) | 1987-03-28 |
AU6104086A (en) | 1987-02-26 |
YU139886A (en) | 1988-06-30 |
NO863212D0 (no) | 1986-08-08 |
CN86105057A (zh) | 1987-04-01 |
NO163098B (no) | 1989-12-27 |
JPS6239560A (ja) | 1987-02-20 |
ZA865986B (en) | 1987-06-24 |
AU592107B2 (en) | 1990-01-04 |
BG45386A3 (fr) | 1989-05-15 |
ES2000605A6 (es) | 1988-03-01 |
BR8603803A (pt) | 1987-03-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
OA06914A (fr) | Procédé de préparation d'iminodiacides substitués. | |
BR8602293A (pt) | Processo catalitico de preparacao 1,4-cispolibutadieno | |
FI891338A0 (fi) | Parannus menetelmään 2',3'-dideoksi-2',3'-didehydronukleosidien valmistamiseksi | |
OA08384A (fr) | Procédé de préparation de l'urée. | |
OA08383A (fr) | Procédé de préparation d'urée. | |
EP0212161A3 (en) | Process for preparing 1,5-diazido-3-nitrazapentane | |
CS326886A2 (en) | Process for preparing 1,3,5-triazintriones | |
OA07984A (fr) | Procédé stéréocontrolé de préparation d'acetoxyazetidione. | |
MA21100A1 (fr) | Procede de preparation d'uree . | |
OA07202A (fr) | Procédé pour la préparation de l'urée | |
FR2565590B1 (fr) | Procede de preparation d'aminohydroxycephamcarboxylates | |
EG18504A (en) | Process for concentrating urea | |
EG17682A (en) | Process for preparing 4,4-dialkyl-2-azetidinones | |
EP0215949A4 (fr) | Procede de preparation de prostaglandines e 16-substituees. | |
HUT40796A (en) | Process for preparing 1,3-dioxane-ethers | |
YU218886A (en) | Process for obtaining optical active 2-chloro-12-(3-dimethylamino-2-methyl-propyl)-12h-dibenzo/d,g/1,3,6/dioxazocine | |
FR2605318B1 (fr) | Procede de preparation d'azetidinones. | |
MA20491A1 (fr) | Procede de preparation d'aminomethylene-2 indanedione-1,3 substituees sur l'azote | |
GR860230B (en) | Process for preparing 6-chloro -3-methyl-1h- 2,3,4,5-tetrahydro-3-benzazepine-n-oxide | |
OA07201A (fr) | Procédé pour la préparation de l'urée . | |
FR2565970B1 (fr) | Procede de preparation d'aminobenzylamines | |
ZA876225B (en) | Process for the preparation of n,n'-tetrathiodimorpholine | |
RO93222A2 (fr) | Procede pour l'obtention de l'acide 1,4-dihydroxy-2-naphtoique | |
RO94314A2 (fr) | Procede de preparation de l'isophytole | |
FR2603582B1 (fr) | Procede de preparation d'arylacetonitriles |