GB987500A - Process for the production of urea - Google Patents

Process for the production of urea

Info

Publication number
GB987500A
GB987500A GB8793/62A GB879362A GB987500A GB 987500 A GB987500 A GB 987500A GB 8793/62 A GB8793/62 A GB 8793/62A GB 879362 A GB879362 A GB 879362A GB 987500 A GB987500 A GB 987500A
Authority
GB
United Kingdom
Prior art keywords
urea
carbamate
recycled
carbon dioxide
separated
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
GB8793/62A
Other languages
English (en)
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.)
Montedison SpA
Original Assignee
Montedison SpA
Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA
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 Montedison SpA, Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA filed Critical Montedison SpA
Publication of GB987500A publication Critical patent/GB987500A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB8793/62A 1961-03-29 1962-03-07 Process for the production of urea Expired GB987500A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT560961 1961-03-29

Publications (1)

Publication Number Publication Date
GB987500A true GB987500A (en) 1965-03-31

Family

ID=11120339

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8793/62A Expired GB987500A (en) 1961-03-29 1962-03-07 Process for the production of urea

Country Status (7)

Country Link
BE (1) BE615692A (fr)
CH (1) CH433244A (fr)
DE (1) DE1468207B2 (fr)
ES (1) ES275925A1 (fr)
GB (1) GB987500A (fr)
NL (1) NL276149A (fr)
SE (1) SE333727B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7893298B2 (en) * 2005-05-13 2011-02-22 Stamicarbon B.V. Method for concentrating an aqueous ammonium carbamate stream

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1716111B2 (fr) * 2004-02-20 2022-06-08 Casale Sa Procede integre de production d'uree et de melamine
EP1918274A1 (fr) * 2006-11-04 2008-05-07 Urea Casale S.A. Procédé de préparation integrée de l'urée et de la mélamine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7893298B2 (en) * 2005-05-13 2011-02-22 Stamicarbon B.V. Method for concentrating an aqueous ammonium carbamate stream

Also Published As

Publication number Publication date
DE1468207A1 (de) 1968-11-28
NL276149A (fr) 1900-01-01
BE615692A (fr) 1900-01-01
SE333727B (fr) 1971-03-29
ES275925A1 (es) 1962-09-16
CH433244A (de) 1967-04-15
DE1468207B2 (de) 1973-06-28

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