ZA825788B - Process for the preparation of urea - Google Patents

Process for the preparation of urea

Info

Publication number
ZA825788B
ZA825788B ZA825788A ZA825788A ZA825788B ZA 825788 B ZA825788 B ZA 825788B ZA 825788 A ZA825788 A ZA 825788A ZA 825788 A ZA825788 A ZA 825788A ZA 825788 B ZA825788 B ZA 825788B
Authority
ZA
South Africa
Prior art keywords
urea
preparation
Prior art date
Application number
ZA825788A
Other languages
English (en)
Inventor
Petrus Johannes Marie V Nassau
Andreas Johannes Biermans
Kees Jonckers
De Cooker Mario Gustaaf Tilly
Original Assignee
Unie Van Kunstmestfab 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 Kunstmestfab Bv filed Critical Unie Van Kunstmestfab Bv
Publication of ZA825788B publication Critical patent/ZA825788B/xx

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
    • C07C273/08—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 ammoniacal liquor
    • 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)
ZA825788A 1981-09-01 1982-08-10 Process for the preparation of urea ZA825788B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8104040A NL8104040A (nl) 1981-09-01 1981-09-01 Werkwijze voor de bereiding van ureum.

Publications (1)

Publication Number Publication Date
ZA825788B true ZA825788B (en) 1983-06-29

Family

ID=19837996

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA825788A ZA825788B (en) 1981-09-01 1982-08-10 Process for the preparation of urea

Country Status (20)

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

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 (xx) * 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 (xx) * 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 (en) * 2000-06-15 2008-05-07 Urea Casale S.A. Process and plant for the production of urea
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 (en) * 2017-05-05 2018-11-07 Casale Sa Process and plant for the synthesis of urea

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL230353A (xx) * 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 (xx) * 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 (en) 1986-07-09
OA07202A (fr) 1984-04-30
US4540813A (en) 1985-09-10
BR8207839A (pt) 1983-09-06
EP0086805A1 (en) 1983-08-31
JPS58501373A (ja) 1983-08-18
DD203715A5 (de) 1983-11-02
IN157894B (xx) 1986-07-19
GR76908B (xx) 1984-09-04
HUT34001A (en) 1985-01-28
DE3271938D1 (en) 1986-08-14
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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