FR691069A - Procédé pour la production d'urée - Google Patents

Procédé pour la production d'urée

Info

Publication number
FR691069A
FR691069A FR691069DA FR691069A FR 691069 A FR691069 A FR 691069A FR 691069D A FR691069D A FR 691069DA FR 691069 A FR691069 A FR 691069A
Authority
FR
France
Prior art keywords
urea
production
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
Other languages
English (en)
Inventor
Dr Wilhelm Meiser
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR691069A publication Critical patent/FR691069A/fr
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
    • C07C273/04Preparation 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
    • 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
    • C07C273/14Separation; Purification; Stabilisation; Use of additives
    • C07C273/16Separation; Purification
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR691069D 1929-03-20 1930-03-04 Procédé pour la production d'urée Expired FR691069A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI37509D DE511465C (de) 1929-03-20 1929-03-20 Verfahren zur Aufarbeiten von Ammoniak und Kohlensaeure enthaltenden Harnstoffschmelzen

Publications (1)

Publication Number Publication Date
FR691069A true FR691069A (fr) 1930-10-01

Family

ID=7189535

Family Applications (1)

Application Number Title Priority Date Filing Date
FR691069D Expired FR691069A (fr) 1929-03-20 1930-03-04 Procédé pour la production d'urée

Country Status (3)

Country Link
BE (1) BE368350A (fr)
DE (1) DE511465C (fr)
FR (1) FR691069A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1153358B (de) * 1957-06-18 1963-08-29 Stamicarbon Verfahren zur Herstellung von Biuret
EP0569629A1 (fr) * 1992-05-11 1993-11-18 Union Oil Company of California, dba UNOCAL Procédé de fabrication de solutions d'urée acide
DE102006022896A1 (de) * 2006-05-15 2007-11-22 Röhm Gmbh Verfahren zur Herstellung von Alpha-Hydroxycarbonsäuren

Also Published As

Publication number Publication date
DE511465C (de) 1930-11-01
BE368350A (fr) 1930-04-30

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