NL1007713C2 - Werkwijze voor de bereiding van ureum. - Google Patents
Werkwijze voor de bereiding van ureum. Download PDFInfo
- Publication number
- NL1007713C2 NL1007713C2 NL1007713A NL1007713A NL1007713C2 NL 1007713 C2 NL1007713 C2 NL 1007713C2 NL 1007713 A NL1007713 A NL 1007713A NL 1007713 A NL1007713 A NL 1007713A NL 1007713 C2 NL1007713 C2 NL 1007713C2
- Authority
- NL
- Netherlands
- Prior art keywords
- carbamate
- urea
- pressure
- stripper
- stream
- 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)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1007713A NL1007713C2 (nl) | 1997-12-05 | 1997-12-05 | Werkwijze voor de bereiding van ureum. |
CA002312763A CA2312763C (fr) | 1997-12-05 | 1998-11-30 | Procede de preparation d'uree |
PCT/NL1998/000677 WO1999029663A1 (fr) | 1997-12-05 | 1998-11-30 | Procede de preparation d'uree |
CNB988134055A CN1158251C (zh) | 1997-12-05 | 1998-11-30 | 尿素的制备方法 |
AU13541/99A AU1354199A (en) | 1997-12-05 | 1998-11-30 | Process for the preparation of urea |
US09/586,606 US6730811B1 (en) | 1997-12-05 | 2000-06-02 | Process for the preparation of urea |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1007713A NL1007713C2 (nl) | 1997-12-05 | 1997-12-05 | Werkwijze voor de bereiding van ureum. |
NL1007713 | 1997-12-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL1007713C2 true NL1007713C2 (nl) | 1999-06-08 |
Family
ID=19766124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL1007713A NL1007713C2 (nl) | 1997-12-05 | 1997-12-05 | Werkwijze voor de bereiding van ureum. |
Country Status (6)
Country | Link |
---|---|
US (1) | US6730811B1 (fr) |
CN (1) | CN1158251C (fr) |
AU (1) | AU1354199A (fr) |
CA (1) | CA2312763C (fr) |
NL (1) | NL1007713C2 (fr) |
WO (1) | WO1999029663A1 (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
NL1013394C2 (nl) * | 1999-10-26 | 2001-05-01 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
US7687041B2 (en) * | 2008-02-27 | 2010-03-30 | Kellogg Brown & Root Llc | Apparatus and methods for urea production |
JP6541570B2 (ja) * | 2012-05-03 | 2019-07-10 | スタミカーボン・ベー・フェー | アンモニア及び二酸化炭素から尿素を製造するための方法、並びに装置 |
LT3224223T (lt) * | 2014-11-27 | 2019-07-25 | Stamicarbon B.V. | Karbamido ir amonio nitrato (uan) gamybos būdas ir įrenginys |
EA201791374A1 (ru) * | 2014-12-18 | 2017-10-31 | Стамикарбон Б.В. | Способ производства карбамида |
UA123548C2 (uk) | 2016-05-03 | 2021-04-21 | Стамікарбон Б.В. | Виробництво карбаміду з контрольованим біуретом |
AU2018366077B2 (en) * | 2017-11-10 | 2021-07-08 | Stamicarbon B.V. | Urea production process and plant |
JP7277672B2 (ja) | 2019-12-30 | 2023-05-19 | スタミカーボン・ベー・フェー | 尿素仕上げからのアンモニア除去 |
CN111995592B (zh) * | 2020-09-30 | 2024-02-06 | 四川金象赛瑞化工股份有限公司 | 一种尿素与三聚氰胺联产的方法和装置 |
US11795140B2 (en) | 2021-06-11 | 2023-10-24 | Stamicarbon B.V. | Urea production with triple MP streams |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4613696A (en) * | 1984-05-19 | 1986-09-23 | Umberto Zardi | Process for urea production |
EP0611753A1 (fr) * | 1993-01-07 | 1994-08-24 | Urea Casale S.A. | Procédé amélioré de production d'urée incluant une étape de strippage de dioxide de carbone |
EP0727414A1 (fr) * | 1995-02-16 | 1996-08-21 | SNAMPROGETTI S.p.A. | Procédé de préparation d'urée à rendement élevé |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4684194A (en) | 1984-07-16 | 1987-08-04 | Trw Inc. | Zero insertion force connector |
-
1997
- 1997-12-05 NL NL1007713A patent/NL1007713C2/nl not_active IP Right Cessation
-
1998
- 1998-11-30 CN CNB988134055A patent/CN1158251C/zh not_active Expired - Fee Related
- 1998-11-30 CA CA002312763A patent/CA2312763C/fr not_active Expired - Fee Related
- 1998-11-30 WO PCT/NL1998/000677 patent/WO1999029663A1/fr active Application Filing
- 1998-11-30 AU AU13541/99A patent/AU1354199A/en not_active Abandoned
-
2000
- 2000-06-02 US US09/586,606 patent/US6730811B1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4613696A (en) * | 1984-05-19 | 1986-09-23 | Umberto Zardi | Process for urea production |
EP0611753A1 (fr) * | 1993-01-07 | 1994-08-24 | Urea Casale S.A. | Procédé amélioré de production d'urée incluant une étape de strippage de dioxide de carbone |
EP0727414A1 (fr) * | 1995-02-16 | 1996-08-21 | SNAMPROGETTI S.p.A. | Procédé de préparation d'urée à rendement élevé |
Also Published As
Publication number | Publication date |
---|---|
CA2312763C (fr) | 2008-02-12 |
CA2312763A1 (fr) | 1999-06-17 |
CN1158251C (zh) | 2004-07-21 |
CN1284061A (zh) | 2001-02-14 |
WO1999029663A1 (fr) | 1999-06-17 |
WO1999029663A9 (fr) | 1999-10-28 |
US6730811B1 (en) | 2004-05-04 |
AU1354199A (en) | 1999-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PD2B | A search report has been drawn up | ||
SD | Assignments of patents |
Owner name: DSM IP ASSETS B.V. Effective date: 20050915 |
|
TD | Modifications of names of proprietors of patents |
Owner name: KONINKLIJKE DSM N.V. Effective date: 20050915 |
|
SD | Assignments of patents |
Effective date: 20100831 |
|
MM | Lapsed because of non-payment of the annual fee |
Effective date: 20160101 |