DE69711531D1 - Verbessertes Verfahren zur Herstellung von Ureum und Vorrichtung dafür - Google Patents
Verbessertes Verfahren zur Herstellung von Ureum und Vorrichtung dafürInfo
- Publication number
- DE69711531D1 DE69711531D1 DE69711531T DE69711531T DE69711531D1 DE 69711531 D1 DE69711531 D1 DE 69711531D1 DE 69711531 T DE69711531 T DE 69711531T DE 69711531 T DE69711531 T DE 69711531T DE 69711531 D1 DE69711531 D1 DE 69711531D1
- Authority
- DE
- Germany
- Prior art keywords
- ureum
- producing
- improved process
- device therefor
- therefor
- 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
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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
- C01C1/245—Preparation from compounds containing nitrogen and sulfur
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
- B01D5/006—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with evaporation or distillation
- B01D5/0063—Reflux condensation
-
- 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
- B01J19/0053—Details of the reactor
- B01J19/006—Baffles
-
- 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
- B01J2219/00002—Chemical plants
- B01J2219/00004—Scale aspects
- B01J2219/00006—Large-scale industrial plants
-
- 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
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00105—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling
- B01J2219/00108—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling involving reactant vapours
-
- 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
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00105—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling
- B01J2219/0011—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling involving reactant liquids
-
- 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
- B01J2219/00761—Details of the reactor
- B01J2219/00763—Baffles
- B01J2219/00765—Baffles attached to the reactor wall
- B01J2219/00777—Baffles attached to the reactor wall horizontal
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26596996 | 1996-10-07 | ||
JP27947296 | 1996-10-22 | ||
JP23436497A JP3987607B2 (ja) | 1996-10-07 | 1997-08-29 | 改良された尿素合成方法および装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69711531D1 true DE69711531D1 (de) | 2002-05-08 |
DE69711531T2 DE69711531T2 (de) | 2003-01-16 |
Family
ID=27332124
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69711531T Expired - Lifetime DE69711531T2 (de) | 1996-10-07 | 1997-10-02 | Verbessertes Verfahren zur Herstellung von Ureum und Vorrichtung dafür |
DE69720294T Expired - Lifetime DE69720294T2 (de) | 1996-10-07 | 1997-10-02 | Harnstoffsyntheseverfahren und Harnstoffsyneseanlage |
DE69719388T Expired - Lifetime DE69719388T2 (de) | 1996-10-07 | 1997-10-02 | Vorrichtung zur Herstellung von Harnstoff |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69720294T Expired - Lifetime DE69720294T2 (de) | 1996-10-07 | 1997-10-02 | Harnstoffsyntheseverfahren und Harnstoffsyneseanlage |
DE69719388T Expired - Lifetime DE69719388T2 (de) | 1996-10-07 | 1997-10-02 | Vorrichtung zur Herstellung von Harnstoff |
Country Status (12)
Country | Link |
---|---|
US (2) | US5936122A (de) |
EP (3) | EP1035112B1 (de) |
JP (1) | JP3987607B2 (de) |
KR (1) | KR100240571B1 (de) |
CN (2) | CN1066437C (de) |
AR (1) | AR013843A1 (de) |
AU (1) | AU709689B2 (de) |
BR (1) | BR9704986A (de) |
CA (1) | CA2217425C (de) |
DE (3) | DE69711531T2 (de) |
ID (1) | ID20134A (de) |
SA (1) | SA97180486B1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4112056B2 (ja) * | 1997-12-18 | 2008-07-02 | 東洋エンジニアリング株式会社 | 改良された尿素の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. |
NL1014280C2 (nl) * | 2000-02-03 | 2001-08-06 | Dsm Nv | Werkwijze voor de bereiding van melamine uit ureum. |
JP4191879B2 (ja) * | 2000-07-04 | 2008-12-03 | 東洋エンジニアリング株式会社 | 尿素合成方法および装置 |
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 |
DE60201384T3 (de) | 2001-07-23 | 2012-01-26 | Toyo Engineering Corp. | Verfahren zur Harnstoffsynthese |
JP4627959B2 (ja) * | 2001-07-23 | 2011-02-09 | 東洋エンジニアリング株式会社 | 尿素合成方法 |
EP1876170B1 (de) * | 2005-04-27 | 2012-07-04 | Toyo Engineering Corporation | Gerät zur harnstoffsynthese |
WO2006118071A1 (ja) | 2005-04-27 | 2006-11-09 | Toyo Engineering Corporation | 尿素合成装置およびその改造方法 |
US7687041B2 (en) * | 2008-02-27 | 2010-03-30 | Kellogg Brown & Root Llc | Apparatus and methods for urea production |
EP2123634A1 (de) * | 2008-05-19 | 2009-11-25 | DSM IP Assets B.V. | Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxid |
GB2530447B (en) * | 2013-05-28 | 2020-02-26 | Toyo Engineering Corp | Urea synthesis method |
CA2997368C (en) * | 2015-09-08 | 2023-05-09 | Toyo Engineering Corporation | Urea manufacturing method and urea manufacturing apparatus |
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 |
JP2020075867A (ja) * | 2018-11-05 | 2020-05-21 | 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 |
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 |
CN113430023A (zh) * | 2021-07-05 | 2021-09-24 | 山东路盛源新能源科技有限公司 | 一种燃气增效器 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3406201A (en) * | 1965-06-18 | 1968-10-15 | Exxon Research Engineering Co | Urea synthesis |
NL168506C (nl) * | 1970-12-31 | 1982-04-16 | Stamicarbon | Werkwijze voor de bereiding van ureum. |
SE446978B (sv) * | 1977-05-05 | 1986-10-20 | Montedison Spa | Isobariskt dubbelatercirkulationsforfarande for syntetisering av urea under bildning av ammoniumkarbamat som mellanprodukt |
NL8400839A (nl) * | 1984-03-16 | 1985-10-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
NL8800284A (nl) * | 1988-02-08 | 1989-09-01 | Stamicarbon | Werkwijze voor de bereiding van ureum. |
IT1275451B (it) * | 1995-06-30 | 1997-08-07 | Snam Progetti | Procedimento per la sintesi dell'urea comprendente due separate zone di reazione |
-
1997
- 1997-08-29 JP JP23436497A patent/JP3987607B2/ja not_active Expired - Fee Related
- 1997-09-24 AU AU39193/97A patent/AU709689B2/en not_active Ceased
- 1997-09-26 US US08/939,126 patent/US5936122A/en not_active Expired - Lifetime
- 1997-10-02 KR KR1019970050920A patent/KR100240571B1/ko not_active IP Right Cessation
- 1997-10-02 DE DE69711531T patent/DE69711531T2/de not_active Expired - Lifetime
- 1997-10-02 DE DE69720294T patent/DE69720294T2/de not_active Expired - Lifetime
- 1997-10-02 EP EP00110451A patent/EP1035112B1/de not_active Revoked
- 1997-10-02 DE DE69719388T patent/DE69719388T2/de not_active Expired - Lifetime
- 1997-10-02 EP EP00110435A patent/EP1035111B1/de not_active Revoked
- 1997-10-02 EP EP97117144A patent/EP0834501B1/de not_active Expired - Lifetime
- 1997-10-06 CA CA002217425A patent/CA2217425C/en not_active Expired - Lifetime
- 1997-10-06 AR ARP970104600A patent/AR013843A1/es active IP Right Grant
- 1997-10-07 CN CN97122704A patent/CN1066437C/zh not_active Expired - Fee Related
- 1997-10-07 BR BR9704986A patent/BR9704986A/pt not_active IP Right Cessation
- 1997-10-07 ID IDP973387A patent/ID20134A/id unknown
- 1997-10-14 SA SA97180486A patent/SA97180486B1/ar unknown
-
1999
- 1999-05-10 US US09/307,807 patent/US6200540B1/en not_active Expired - Lifetime
-
2000
- 2000-08-02 CN CN00122613A patent/CN1131206C/zh not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
CN1290693A (zh) | 2001-04-11 |
CA2217425A1 (en) | 1998-04-07 |
ID20134A (id) | 1998-10-08 |
US6200540B1 (en) | 2001-03-13 |
EP0834501A2 (de) | 1998-04-08 |
BR9704986A (pt) | 1998-11-03 |
AU3919397A (en) | 1998-04-23 |
AU709689B2 (en) | 1999-09-02 |
EP1035111A1 (de) | 2000-09-13 |
US5936122A (en) | 1999-08-10 |
JP3987607B2 (ja) | 2007-10-10 |
CN1180071A (zh) | 1998-04-29 |
DE69720294D1 (de) | 2003-04-30 |
JPH10182587A (ja) | 1998-07-07 |
EP1035111B1 (de) | 2003-03-26 |
CA2217425C (en) | 2001-07-10 |
SA97180486B1 (ar) | 2006-10-04 |
CN1066437C (zh) | 2001-05-30 |
EP1035112A1 (de) | 2000-09-13 |
KR100240571B1 (ko) | 2000-01-15 |
EP1035112B1 (de) | 2003-02-26 |
KR19980032505A (ko) | 1998-07-25 |
DE69719388D1 (de) | 2003-04-03 |
EP0834501A3 (de) | 1999-03-10 |
DE69720294T2 (de) | 2003-09-25 |
DE69719388T2 (de) | 2003-07-17 |
AR013843A1 (es) | 2001-01-31 |
EP0834501B1 (de) | 2002-04-03 |
DE69711531T2 (de) | 2003-01-16 |
CN1131206C (zh) | 2003-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de | ||
8370 | Indication related to discontinuation of the patent is to be deleted | ||
8364 | No opposition during term of opposition |