CN1168706C - 制备尿素的方法 - Google Patents
制备尿素的方法 Download PDFInfo
- Publication number
- CN1168706C CN1168706C CNB998100080A CN99810008A CN1168706C CN 1168706 C CN1168706 C CN 1168706C CN B998100080 A CNB998100080 A CN B998100080A CN 99810008 A CN99810008 A CN 99810008A CN 1168706 C CN1168706 C CN 1168706C
- Authority
- CN
- China
- Prior art keywords
- urea
- pressure
- condenser
- carbon dioxide
- ammonia
- 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.)
- Expired - Lifetime
Links
Images
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)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1009516A NL1009516C2 (nl) | 1998-06-29 | 1998-06-29 | Werkwijze voor de bereiding van ureum. |
NL1009516 | 1998-06-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1313848A CN1313848A (zh) | 2001-09-19 |
CN1168706C true CN1168706C (zh) | 2004-09-29 |
Family
ID=19767392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998100080A Expired - Lifetime CN1168706C (zh) | 1998-06-29 | 1999-06-28 | 制备尿素的方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20010041813A1 (zh) |
CN (1) | CN1168706C (zh) |
AU (1) | AU4659199A (zh) |
BG (1) | BG105099A (zh) |
CA (1) | CA2336042A1 (zh) |
ID (1) | ID27412A (zh) |
NL (1) | NL1009516C2 (zh) |
WO (1) | WO2000000466A1 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1289942B1 (en) * | 2000-06-15 | 2008-05-07 | Urea Casale S.A. | Process and plant for the production of urea |
EP1449827A1 (en) * | 2003-02-21 | 2004-08-25 | Urea Casale S.A. | Process and plant for the production of urea |
JP2005037358A (ja) * | 2003-06-27 | 2005-02-10 | Takata Corp | シート重量計測装置 |
EP1714959B1 (en) | 2005-04-19 | 2015-11-18 | Casale Sa | Process for urea production and related plant |
US7579502B2 (en) | 2005-04-27 | 2009-08-25 | Toyo Engineering Corporation | Apparatus for synthesizing urea |
EP1876171B1 (en) | 2005-04-27 | 2011-12-07 | Toyo Engineering Corporation | Apparatus for urea synthesis and method of improving the same |
EP2502881A1 (en) | 2011-03-24 | 2012-09-26 | Urea Casale S.A. | Process and plant for ammonia-urea production |
CN104341321B (zh) * | 2013-07-25 | 2016-04-13 | 新煤化工设计院(上海)有限公司 | 一种车用尿素的制备方法 |
CN103570588A (zh) * | 2013-08-30 | 2014-02-12 | 北京丰汉工程技术有限公司 | 一种尿素合成装置及合成方法 |
JP2023108791A (ja) * | 2022-01-26 | 2023-08-07 | 東洋エンジニアリング株式会社 | 尿素合成方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8400839A (nl) * | 1984-03-16 | 1985-10-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
-
1998
- 1998-06-29 NL NL1009516A patent/NL1009516C2/nl not_active IP Right Cessation
-
1999
- 1999-06-28 CN CNB998100080A patent/CN1168706C/zh not_active Expired - Lifetime
- 1999-06-28 WO PCT/NL1999/000396 patent/WO2000000466A1/en active Application Filing
- 1999-06-28 CA CA002336042A patent/CA2336042A1/en not_active Abandoned
- 1999-06-28 AU AU46591/99A patent/AU4659199A/en not_active Abandoned
- 1999-06-28 ID IDW20002743A patent/ID27412A/id unknown
-
2000
- 2000-12-28 BG BG105099A patent/BG105099A/xx unknown
- 2000-12-29 US US09/750,340 patent/US20010041813A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
BG105099A (en) | 2001-07-31 |
WO2000000466A1 (en) | 2000-01-06 |
NL1009516C2 (nl) | 2000-01-04 |
CN1313848A (zh) | 2001-09-19 |
US20010041813A1 (en) | 2001-11-15 |
ID27412A (id) | 2001-04-05 |
AU4659199A (en) | 2000-01-17 |
CA2336042A1 (en) | 2000-01-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: STAMICARBON CO., LTD. Free format text: FORMER OWNER: DSM IP PROPERTY CO., LTD. Effective date: 20101117 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: HEERLEN, HOLLAND TO: SITTARD, HOLLAND |
|
TR01 | Transfer of patent right |
Effective date of registration: 20101117 Address after: Holland Sittard Patentee after: DSM IP Assets BV Address before: Holland Heerlen Patentee before: DSM IP Property Limited |
|
CX01 | Expiry of patent term |
Granted publication date: 20040929 |
|
CX01 | Expiry of patent term |