CS227344B2 - Method of producing urea - Google Patents

Method of producing urea Download PDF

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Publication number
CS227344B2
CS227344B2 CS821668A CS166882A CS227344B2 CS 227344 B2 CS227344 B2 CS 227344B2 CS 821668 A CS821668 A CS 821668A CS 166882 A CS166882 A CS 166882A CS 227344 B2 CS227344 B2 CS 227344B2
Authority
CS
Czechoslovakia
Prior art keywords
pressure
urea
carbon dioxide
ammonia
stream
Prior art date
Application number
CS821668A
Other languages
Czech (cs)
English (en)
Inventor
Henk Ch Burks
Adolphe M Douwes
Kees Jonckers
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 CS227344B2 publication Critical patent/CS227344B2/cs

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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
    • 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
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C275/02—Salts; Complexes; Addition compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Catalysts (AREA)
  • Electroluminescent Light Sources (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Steroid Compounds (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Saccharide Compounds (AREA)
CS821668A 1981-03-11 1982-03-11 Method of producing urea CS227344B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8101174A NL8101174A (nl) 1981-03-11 1981-03-11 Werkwijze voor de bereiding van ureum.

Publications (1)

Publication Number Publication Date
CS227344B2 true CS227344B2 (en) 1984-04-16

Family

ID=19837140

Family Applications (1)

Application Number Title Priority Date Filing Date
CS821668A CS227344B2 (en) 1981-03-11 1982-03-11 Method of producing urea

Country Status (22)

Country Link
EP (1) EP0060511B1 (de)
JP (1) JPS57159756A (de)
KR (1) KR830009010A (de)
AT (1) ATE7905T1 (de)
AU (1) AU8125082A (de)
BR (1) BR8201298A (de)
CS (1) CS227344B2 (de)
DD (1) DD202535A5 (de)
DE (1) DE3260234D1 (de)
ES (1) ES8303302A1 (de)
FI (1) FI820829L (de)
IL (1) IL65220A0 (de)
MA (1) MA19404A1 (de)
NL (1) NL8101174A (de)
NO (1) NO820778L (de)
OA (1) OA07039A (de)
PL (1) PL235399A1 (de)
PT (1) PT74566B (de)
RO (1) RO84765B (de)
YU (1) YU48182A (de)
ZA (1) ZA821595B (de)
ZW (1) ZW4482A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1491526A1 (de) * 2003-06-27 2004-12-29 Urea Casale S.A. Verfahren und Anlage für die Herstellung von Harnstoff
EP3736415A1 (de) * 2019-05-10 2020-11-11 Yara International ASA Dampfnetzwerkanordnung für eine anlage mit einer ammoniakerzeugungseinheit und einer harnstofferzeugungseinheit
CN113416154B (zh) * 2021-07-30 2023-01-17 新疆心连心能源化工有限公司 尿素合成未反应物循环回收方法及装置

Family Cites Families (8)

* 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
YU34282B (en) * 1967-12-14 1979-04-30 Snam Progetti Process for the decomposition and recyclation of unreacted ammonium carbamate into the reactor for the synthesis of carbamide
AT284138B (de) * 1968-02-06 1970-09-10 Snam Progetti Verfahren zur Herstellung von Harnstoff
NL165712C (nl) * 1970-05-30 1981-05-15 Stamicarbon Werkwijze en inrichting voor het bij synthesedruk terug- winnen van ammoniak en kooldioxyde uit het spuigas van een ureumsynthese.
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
NL7612162A (nl) * 1976-11-03 1978-05-08 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van een ureum- oplossing uit nh3 en co2.

Also Published As

Publication number Publication date
RO84765B (ro) 1984-09-30
ES510282A0 (es) 1983-02-01
OA07039A (fr) 1983-12-31
BR8201298A (pt) 1983-01-25
PL235399A1 (de) 1982-10-11
IL65220A0 (en) 1982-05-31
KR830009010A (ko) 1983-12-17
ZA821595B (en) 1983-01-26
FI820829A7 (fi) 1982-09-12
PT74566A (en) 1982-04-01
DE3260234D1 (en) 1984-07-19
NO820778L (no) 1982-09-13
RO84765A (ro) 1984-08-17
ES8303302A1 (es) 1983-02-01
EP0060511A1 (de) 1982-09-22
DD202535A5 (de) 1983-09-21
EP0060511B1 (de) 1984-06-13
NL8101174A (nl) 1982-10-01
YU48182A (en) 1985-03-20
ZW4482A1 (en) 1982-07-14
MA19404A1 (fr) 1982-10-01
AU8125082A (en) 1982-09-16
FI820829L (fi) 1982-09-12
PT74566B (en) 1983-11-07
JPS57159756A (en) 1982-10-01
ATE7905T1 (de) 1984-06-15

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