CN1617853A - 尿素的制备方法 - Google Patents
尿素的制备方法 Download PDFInfo
- Publication number
- CN1617853A CN1617853A CN 02827637 CN02827637A CN1617853A CN 1617853 A CN1617853 A CN 1617853A CN 02827637 CN02827637 CN 02827637 CN 02827637 A CN02827637 A CN 02827637A CN 1617853 A CN1617853 A CN 1617853A
- Authority
- CN
- China
- Prior art keywords
- urea
- condenser
- pressure
- steam
- medium
- 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.)
- Granted
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00121—Controlling the temperature by direct heating or cooling
- B01J2219/0013—Controlling the temperature by direct heating or cooling by condensation of reactants
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1019848A NL1019848C2 (nl) | 2002-01-28 | 2002-01-28 | Werkwijze voor de bereiding van ureum. |
NL1019848 | 2002-01-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1617853A true CN1617853A (zh) | 2005-05-18 |
CN1260209C CN1260209C (zh) | 2006-06-21 |
Family
ID=27656498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02827637 Expired - Lifetime CN1260209C (zh) | 2002-01-28 | 2002-12-30 | 尿素的制备方法 |
Country Status (8)
Country | Link |
---|---|
CN (1) | CN1260209C (zh) |
AR (1) | AR038220A1 (zh) |
AU (1) | AU2002360227B2 (zh) |
CA (1) | CA2473224C (zh) |
MY (1) | MY140851A (zh) |
NL (1) | NL1019848C2 (zh) |
RU (1) | RU2301798C2 (zh) |
WO (1) | WO2003064379A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN104321305A (zh) * | 2012-05-03 | 2015-01-28 | 斯塔米卡邦有限公司 | 由氨和二氧化碳制备尿素的方法和装置 |
CN113574049A (zh) * | 2019-03-14 | 2021-10-29 | 东洋工程株式会社 | 尿素制备的方法和装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1918273A1 (en) † | 2006-11-04 | 2008-05-07 | Urea Casale S.A. | Process for urea production and related plant |
GB201208312D0 (en) * | 2012-05-11 | 2012-06-27 | Afc Energy Plc | Fuel cell system |
JP7088770B2 (ja) | 2018-07-26 | 2022-06-21 | 東洋エンジニアリング株式会社 | 尿素製造方法および装置 |
JP7157684B2 (ja) | 2019-03-14 | 2022-10-20 | 東洋エンジニアリング株式会社 | 尿素製造方法および装置 |
EP3736415A1 (en) * | 2019-05-10 | 2020-11-11 | Yara International ASA | Steam network assembly for a plant comprising an ammonia-producing unit and a urea-producing unit |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1068268B (it) * | 1976-09-09 | 1985-03-21 | Snam Progetti | Procedimento per la produzione di urea e purificazione delle acque |
NL1003923C2 (nl) * | 1996-08-30 | 1998-03-04 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
-
2002
- 2002-01-28 NL NL1019848A patent/NL1019848C2/nl not_active IP Right Cessation
- 2002-12-30 AU AU2002360227A patent/AU2002360227B2/en not_active Ceased
- 2002-12-30 RU RU2004126243/04A patent/RU2301798C2/ru not_active IP Right Cessation
- 2002-12-30 CN CN 02827637 patent/CN1260209C/zh not_active Expired - Lifetime
- 2002-12-30 WO PCT/NL2002/000874 patent/WO2003064379A1/en not_active Application Discontinuation
- 2002-12-30 CA CA2473224A patent/CA2473224C/en not_active Expired - Fee Related
-
2003
- 2003-01-10 MY MYPI20030081 patent/MY140851A/en unknown
- 2003-01-24 AR ARP030100209 patent/AR038220A1/es not_active Application Discontinuation
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104321305A (zh) * | 2012-05-03 | 2015-01-28 | 斯塔米卡邦有限公司 | 由氨和二氧化碳制备尿素的方法和装置 |
CN104321305B (zh) * | 2012-05-03 | 2017-03-01 | 斯塔米卡邦有限公司 | 由氨和二氧化碳制备尿素的方法和装置 |
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 |
CN113574049A (zh) * | 2019-03-14 | 2021-10-29 | 东洋工程株式会社 | 尿素制备的方法和装置 |
CN113574049B (zh) * | 2019-03-14 | 2023-04-21 | 东洋工程株式会社 | 尿素制备的方法和装置 |
US12247002B2 (en) | 2019-03-14 | 2025-03-11 | Toyo Engineering Corporation | Process and apparatus for urea production |
Also Published As
Publication number | Publication date |
---|---|
CA2473224A1 (en) | 2003-08-07 |
RU2301798C2 (ru) | 2007-06-27 |
NL1019848C2 (nl) | 2003-07-30 |
MY140851A (en) | 2010-01-29 |
AR038220A1 (es) | 2005-01-05 |
CA2473224C (en) | 2012-09-25 |
CN1260209C (zh) | 2006-06-21 |
RU2004126243A (ru) | 2006-01-27 |
WO2003064379A1 (en) | 2003-08-07 |
AU2002360227B2 (en) | 2009-02-26 |
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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: 20110105 |
|
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: 20110105 Address after: Holland Stadium Patentee after: STAMICARBON B.V. Address before: Holland Heerlen Patentee before: DSM IP Property Co.,Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20060621 |