DE3271938D1 - Process for the preparation of urea - Google Patents

Process for the preparation of urea

Info

Publication number
DE3271938D1
DE3271938D1 DE8282902530T DE3271938T DE3271938D1 DE 3271938 D1 DE3271938 D1 DE 3271938D1 DE 8282902530 T DE8282902530 T DE 8282902530T DE 3271938 T DE3271938 T DE 3271938T DE 3271938 D1 DE3271938 D1 DE 3271938D1
Authority
DE
Germany
Prior art keywords
urea
preparation
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
Application number
DE8282902530T
Other languages
English (en)
Inventor
Nassau Petrus Johannes Mar Van
Andreas Johannes Biermans
Kees Jonckers
Cooker Mario Gustaaf Roger De
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.)
Unie Van Kunstmestfabrieken BV
Original Assignee
Unie Van Kunstmestfabrieken BV
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
Application filed by Unie Van Kunstmestfabrieken BV filed Critical Unie Van Kunstmestfabrieken BV
Application granted granted Critical
Publication of DE3271938D1 publication Critical patent/DE3271938D1/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation 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
    • C07C273/08Preparation 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 ammoniacal liquor
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation 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
    • C07C273/04Preparation 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)
DE8282902530T 1981-09-01 1982-08-31 Process for the preparation of urea Expired DE3271938D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8104040A NL8104040A (nl) 1981-09-01 1981-09-01 Werkwijze voor de bereiding van ureum.
PCT/EP1982/000188 WO1983000862A1 (en) 1981-09-01 1982-08-31 Process for the preparation of urea

Publications (1)

Publication Number Publication Date
DE3271938D1 true DE3271938D1 (en) 1986-08-14

Family

ID=19837996

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282902530T Expired DE3271938D1 (en) 1981-09-01 1982-08-31 Process for the preparation of urea

Country Status (20)

Country Link
US (1) US4540813A (de)
EP (1) EP0086805B1 (de)
JP (1) JPS58501373A (de)
KR (1) KR840001131A (de)
BR (1) BR8207839A (de)
DD (1) DD203715A5 (de)
DE (1) DE3271938D1 (de)
EG (1) EG15838A (de)
ES (1) ES515377A0 (de)
GB (1) GB2107705B (de)
GR (1) GR76908B (de)
HU (1) HUT34001A (de)
IN (1) IN157894B (de)
IT (1) IT1149071B (de)
NL (1) NL8104040A (de)
NO (1) NO831531L (de)
OA (1) OA07202A (de)
PL (1) PL238092A1 (de)
WO (1) WO1983000862A1 (de)
ZA (1) ZA825788B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8303424A (nl) * 1983-10-06 1985-05-01 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL8303425A (nl) * 1983-10-06 1985-05-01 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
JPS61109760A (ja) * 1984-11-02 1986-05-28 Toyo Eng Corp 尿素製造法
JPH082859B2 (ja) * 1987-02-24 1996-01-17 東洋エンジニアリング株式会社 尿素製造方法
IN169678B (de) * 1987-08-13 1991-11-30 Austral Pacific Fertilizers
IT1232669B (it) * 1989-09-15 1992-03-02 Snam Progetti Procedimento per la produzione di urea con elevato rendimento energetico.
CH679485A5 (de) * 1989-12-29 1992-02-28 Ammonia Casale Sa
NL1004977C2 (nl) * 1997-01-13 1998-07-15 Dsm Nv Methode om de capaciteit van een bestaand ureum proces te verhogen.
EP1289942B1 (de) * 2000-06-15 2008-05-07 Urea Casale S.A. Verfahren und vorrichtung zur herstellung von harnstoff
NL1022526C2 (nl) * 2003-01-30 2004-08-04 Dsm Nv Werkwijze voor het afscheiden van NH3, en optioneel tevens CO2 en H2O, uit een mengsel bevattende NH3, CO2 en H2O.
EP3398935A1 (de) * 2017-05-05 2018-11-07 Casale Sa Verfahren und anlage zur synthese von harnstoff

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL230353A (de) * 1958-08-08 1900-01-01
US3406201A (en) * 1965-06-18 1968-10-15 Exxon Research Engineering Co Urea synthesis
GB1147734A (en) * 1966-03-29 1969-04-02 Sumitomo Chemical Co Method for the preparation of urea
CH468356A (de) * 1966-04-05 1969-02-15 Inventa Ag Verfahren zur Aufarbeitung des bei der Synthese von Harnstoff aus Ammoniak und Kohlendioxyd in einem Synthesereaktor bei erhöhtem Druck und erhöhter Temperatur erhaltenen Synthesegemisches
US3759992A (en) * 1970-06-29 1973-09-18 I Mavrovic Urea synthesis
NL168506C (nl) * 1970-12-31 1982-04-16 Stamicarbon Werkwijze voor de bereiding van ureum.
BE787832A (fr) * 1971-09-02 1973-02-22 Stamicarbon Procede pour la preparation d'uree
NL7307036A (de) * 1973-05-21 1974-11-25
US4173615A (en) * 1974-07-08 1979-11-06 Mitsui Toatsu Chemicals, Incorporated Chemical apparatus for corrosive materials
NL7612162A (nl) * 1976-11-03 1978-05-08 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van een ureum- oplossing uit nh3 en co2.
JPS5811432B2 (ja) * 1979-10-08 1983-03-02 三井東圧化学株式会社 尿素合成法
JPS5750954A (en) * 1980-09-12 1982-03-25 Mitsui Toatsu Chem Inc Synthesis of urea

Also Published As

Publication number Publication date
ES8306103A1 (es) 1983-05-01
ES515377A0 (es) 1983-05-01
EP0086805B1 (de) 1986-07-09
OA07202A (fr) 1984-04-30
ZA825788B (en) 1983-06-29
US4540813A (en) 1985-09-10
BR8207839A (pt) 1983-09-06
EP0086805A1 (de) 1983-08-31
JPS58501373A (ja) 1983-08-18
DD203715A5 (de) 1983-11-02
IN157894B (de) 1986-07-19
GR76908B (de) 1984-09-04
HUT34001A (en) 1985-01-28
KR840001131A (ko) 1984-03-28
EG15838A (en) 1987-07-30
IT8249047A0 (it) 1982-08-30
NL8104040A (nl) 1983-04-05
PL238092A1 (en) 1983-03-28
WO1983000862A1 (en) 1983-03-17
GB2107705B (en) 1985-09-04
NO831531L (no) 1983-04-29
IT1149071B (it) 1986-12-03
GB2107705A (en) 1983-05-05

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Legal Events

Date Code Title Description
8380 Miscellaneous part iii

Free format text: DER PATENTINHABER LAUTET RICHTIG: STAMICARBON B.V., GELEEN, NL

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee