NL8800284A - Werkwijze voor de bereiding van ureum. - Google Patents
Werkwijze voor de bereiding van ureum. Download PDFInfo
- Publication number
- NL8800284A NL8800284A NL8800284A NL8800284A NL8800284A NL 8800284 A NL8800284 A NL 8800284A NL 8800284 A NL8800284 A NL 8800284A NL 8800284 A NL8800284 A NL 8800284A NL 8800284 A NL8800284 A NL 8800284A
- Authority
- NL
- Netherlands
- Prior art keywords
- zone
- urea
- stripping
- carbamate
- reaction zone
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8800284A NL8800284A (nl) | 1988-02-08 | 1988-02-08 | Werkwijze voor de bereiding van ureum. |
EP89200220A EP0329215A1 (en) | 1988-02-08 | 1989-02-02 | Process for the preparation of urea |
BR898900537A BR8900537A (pt) | 1988-02-08 | 1989-02-03 | Processo para a preparacao de ureia e solucao de ureia ou ureia solida obtida por aplicacao do mesmo |
CN89100722A CN1035109A (zh) | 1988-02-08 | 1989-02-03 | 制备尿素的方法 |
AU29709/89A AU2970989A (en) | 1988-02-08 | 1989-02-07 | Process for the preparation of urea |
DD89325588A DD280101A5 (de) | 1988-02-08 | 1989-02-07 | Verfahren zur herstellung von harnstoff |
AR89313155A AR244661A1 (es) | 1988-02-08 | 1989-02-07 | Procedimiento para la preparacion de urea. |
TNTNSN89013A TNSN89013A1 (fr) | 1988-02-08 | 1989-02-07 | Procede de preparation d'uree o. dsm |
ZA89937A ZA89937B (en) | 1988-02-08 | 1989-02-07 | Process for the preparation of urea |
HU89577A HUT49566A (en) | 1988-02-08 | 1989-02-07 | Process for producing urea |
NO89890514A NO890514L (no) | 1988-02-08 | 1989-02-07 | Fremgangsmaate ved fremstilling av urea. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8800284 | 1988-02-08 | ||
NL8800284A NL8800284A (nl) | 1988-02-08 | 1988-02-08 | Werkwijze voor de bereiding van ureum. |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8800284A true NL8800284A (nl) | 1989-09-01 |
Family
ID=19851722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8800284A NL8800284A (nl) | 1988-02-08 | 1988-02-08 | Werkwijze voor de bereiding van ureum. |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0329215A1 (zh) |
CN (1) | CN1035109A (zh) |
AR (1) | AR244661A1 (zh) |
AU (1) | AU2970989A (zh) |
BR (1) | BR8900537A (zh) |
DD (1) | DD280101A5 (zh) |
HU (1) | HUT49566A (zh) |
NL (1) | NL8800284A (zh) |
NO (1) | NO890514L (zh) |
TN (1) | TNSN89013A1 (zh) |
ZA (1) | ZA89937B (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1271435B (it) * | 1993-03-10 | 1997-05-28 | Snam Progetti | Procedimento per la sintesi di urea da ammoniaca e anidride carbonica a conversione totale in anidride carbonica |
CN1036582C (zh) * | 1993-08-02 | 1997-12-03 | 中国五环化学工程总公司 | 节能、节资、安全型尿素生产工艺及装置 |
JP3987607B2 (ja) * | 1996-10-07 | 2007-10-10 | 東洋エンジニアリング株式会社 | 改良された尿素合成方法および装置 |
NL1011123C2 (nl) * | 1999-01-25 | 2000-07-27 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
WO2008068210A1 (en) * | 2006-12-08 | 2008-06-12 | Dsm Ip Assets B.V. | Process for the preparation of urea |
EP2123634A1 (en) | 2008-05-19 | 2009-11-25 | DSM IP Assets B.V. | Process for the production of urea from ammonia and carbon dioxide |
EP2123633A1 (en) * | 2008-05-19 | 2009-11-25 | DSM IP Assets B.V. | Process for the production of urea from ammonia and carbon dioxide |
EP2567953A1 (en) * | 2011-09-09 | 2013-03-13 | Urea Casale SA | A carbon dioxide stripping urea plant with a natural-circulation synthesis loop and a method for retrofitting such plant |
GB2557081B (en) * | 2015-09-08 | 2020-05-13 | Toyo Engineering Corp | Urea manufacturing method and urea manufacturing apparatus |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1163783B (it) * | 1983-07-14 | 1987-04-08 | Montedison Spa | Processo per la produzione di urea con bassi consumi di vapore |
NL8400839A (nl) * | 1984-03-16 | 1985-10-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
-
1988
- 1988-02-08 NL NL8800284A patent/NL8800284A/nl not_active Application Discontinuation
-
1989
- 1989-02-02 EP EP89200220A patent/EP0329215A1/en not_active Withdrawn
- 1989-02-03 BR BR898900537A patent/BR8900537A/pt unknown
- 1989-02-03 CN CN89100722A patent/CN1035109A/zh active Pending
- 1989-02-07 DD DD89325588A patent/DD280101A5/de unknown
- 1989-02-07 AU AU29709/89A patent/AU2970989A/en not_active Abandoned
- 1989-02-07 AR AR89313155A patent/AR244661A1/es active
- 1989-02-07 ZA ZA89937A patent/ZA89937B/xx unknown
- 1989-02-07 HU HU89577A patent/HUT49566A/hu unknown
- 1989-02-07 NO NO89890514A patent/NO890514L/no unknown
- 1989-02-07 TN TNTNSN89013A patent/TNSN89013A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
EP0329215A1 (en) | 1989-08-23 |
NO890514L (no) | 1989-08-09 |
BR8900537A (pt) | 1989-10-03 |
CN1035109A (zh) | 1989-08-30 |
HUT49566A (en) | 1989-10-30 |
AU2970989A (en) | 1989-08-10 |
ZA89937B (en) | 1989-11-29 |
DD280101A5 (de) | 1990-06-27 |
NO890514D0 (no) | 1989-02-07 |
TNSN89013A1 (fr) | 1991-02-04 |
AR244661A1 (es) | 1993-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0155735B1 (en) | Process for the preparation of urea | |
CN108026034B (zh) | 尿素制造方法以及尿素制造装置 | |
NL8800284A (nl) | Werkwijze voor de bereiding van ureum. | |
NL7903623A (nl) | Werkwijze voor het zuiveren van ureumhoudend afvalwater en werkwijze voor het bereiden van melamine. | |
NL8201652A (nl) | Werkwijze voor de bereiding van ureum. | |
NL1008573C2 (nl) | Inrichting voor het uitvoeren van gas/vloeistof contact. | |
US6680407B2 (en) | Installation and process for the preparation of urea | |
US8829240B2 (en) | Process for the production of urea from ammonia and carbon dioxide | |
CA2779841A1 (en) | A urea stripping process for the production of urea | |
NL1004977C2 (nl) | Methode om de capaciteit van een bestaand ureum proces te verhogen. | |
IL44851A (en) | Process for preparing urea from ammonia and carbon dioxid | |
NL8303888A (nl) | Werkwijze voor de bereiding van ureum. | |
NL1019081C2 (nl) | Werkwijze voor de bereiding van ureum. | |
EP1252148B1 (en) | Process for preparing melamine from urea | |
NL1012575C2 (nl) | Werkwijze ter bereiding van ureum. | |
US4001320A (en) | Method for controlling the ammonia and CO2 ratios in a urea manufacturing process | |
EP3938344B1 (en) | Process for urea production | |
CA1186129A (en) | Process for the production of cyanogen chloride from hydrocyanic acid and chlorine | |
AU2001234239A1 (en) | Process for preparing melamine from urea | |
RU2788626C1 (ru) | Способ и устройство для производства мочевины | |
EP0018420A1 (en) | Method of synthesizing urea | |
NL8101174A (nl) | Werkwijze voor de bereiding van ureum. | |
US3499738A (en) | Method and apparatus for producing cyanogen chloride using a modified oldershaw reaction column | |
NL8303424A (nl) | Werkwijze voor de bereiding van ureum. | |
EP0086804A1 (en) | Process for the preparation of urea |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |