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DE69720294D1 - Verfahren zur Herstellung von Harnstoff und Vorrichtung dafür - Google Patents

Verfahren zur Herstellung von Harnstoff und Vorrichtung dafür

Info

Publication number
DE69720294D1
DE69720294D1 DE69720294T DE69720294T DE69720294D1 DE 69720294 D1 DE69720294 D1 DE 69720294D1 DE 69720294 T DE69720294 T DE 69720294T DE 69720294 T DE69720294 T DE 69720294T DE 69720294 D1 DE69720294 D1 DE 69720294D1
Authority
DE
Germany
Prior art keywords
urea
production
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
Application number
DE69720294T
Other languages
English (en)
Other versions
DE69720294T2 (de
Inventor
Yasuhiko Kojima
Hidetsugu Fujii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyo Engineering Corp
Original Assignee
Toyo Engineering Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27332124&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69720294(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Toyo Engineering Corp filed Critical Toyo Engineering Corp
Application granted granted Critical
Publication of DE69720294D1 publication Critical patent/DE69720294D1/de
Publication of DE69720294T2 publication Critical patent/DE69720294T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69720294T 1996-10-07 1997-10-02 Harnstoffsyntheseverfahren und Harnstoffsyneseanlage Expired - Lifetime DE69720294T2 (de)

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
DE69720294D1 true DE69720294D1 (de) 2003-04-30
DE69720294T2 DE69720294T2 (de) 2003-09-25

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
DE69719388T Expired - Lifetime DE69719388T2 (de) 1996-10-07 1997-10-02 Vorrichtung zur Herstellung von Harnstoff
DE69720294T Expired - Lifetime DE69720294T2 (de) 1996-10-07 1997-10-02 Harnstoffsyntheseverfahren und Harnstoffsyneseanlage

Family Applications Before (2)

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
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 (18)

* Cited by examiner, † Cited by third party
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
CH698261B1 (de) * 2005-04-27 2009-06-30 Toyo Engineering Corp Vorrichtung zur Synthese von Harnstoff.
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
WO2014192823A1 (ja) * 2013-05-28 2014-12-04 東洋エンジニアリング株式会社 尿素合成方法
WO2017043391A1 (ja) 2015-09-08 2017-03-16 東洋エンジニアリング株式会社 尿素製造方法及び尿素製造装置
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
JP7252365B2 (ja) 2019-03-14 2023-04-04 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
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
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 (6)

* Cited by examiner, † Cited by third party
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.
NL174548C (nl) * 1977-05-05 1988-05-16 Montedison Spa Werkwijze voor het bereiden van ureum door reaktie van ammoniak en kooldioxyde.
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

Also Published As

Publication number Publication date
DE69719388D1 (de) 2003-04-03
DE69711531T2 (de) 2003-01-16
EP1035112B1 (de) 2003-02-26
EP1035112A1 (de) 2000-09-13
US5936122A (en) 1999-08-10
CN1180071A (zh) 1998-04-29
US6200540B1 (en) 2001-03-13
EP1035111A1 (de) 2000-09-13
CA2217425C (en) 2001-07-10
CA2217425A1 (en) 1998-04-07
EP0834501A2 (de) 1998-04-08
CN1290693A (zh) 2001-04-11
CN1131206C (zh) 2003-12-17
BR9704986A (pt) 1998-11-03
SA97180486B1 (ar) 2006-10-04
KR100240571B1 (ko) 2000-01-15
JPH10182587A (ja) 1998-07-07
DE69720294T2 (de) 2003-09-25
ID20134A (id) 1998-10-08
KR19980032505A (ko) 1998-07-25
EP0834501B1 (de) 2002-04-03
AU3919397A (en) 1998-04-23
CN1066437C (zh) 2001-05-30
DE69719388T2 (de) 2003-07-17
EP1035111B1 (de) 2003-03-26
JP3987607B2 (ja) 2007-10-10
AR013843A1 (es) 2001-01-31
AU709689B2 (en) 1999-09-02
DE69711531D1 (de) 2002-05-08
EP0834501A3 (de) 1999-03-10

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Legal Events

Date Code Title Description
8363 Opposition against the patent