CH326525A - Process for the recovery of excess ammonia in the synthesis of urea - Google Patents

Process for the recovery of excess ammonia in the synthesis of urea

Info

Publication number
CH326525A
CH326525A CH326525DA CH326525A CH 326525 A CH326525 A CH 326525A CH 326525D A CH326525D A CH 326525DA CH 326525 A CH326525 A CH 326525A
Authority
CH
Switzerland
Prior art keywords
urea
synthesis
recovery
excess ammonia
ammonia
Prior art date
Application number
Other languages
French (fr)
Inventor
Okada Takuo
Otsuka Eiji
Tanimoto Kohei
Original Assignee
Toyo Koatsu Ind Inc
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 Toyo Koatsu Ind Inc filed Critical Toyo Koatsu Ind Inc
Publication of CH326525A publication Critical patent/CH326525A/en

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
    • C07C273/04—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
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/12—Separation of ammonia from gases and vapours
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/26—Carbonates or bicarbonates of ammonium
    • 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
CH326525D 1950-07-26 1954-10-11 Process for the recovery of excess ammonia in the synthesis of urea CH326525A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP326525X 1950-07-26

Publications (1)

Publication Number Publication Date
CH326525A true CH326525A (en) 1957-12-31

Family

ID=12364778

Family Applications (1)

Application Number Title Priority Date Filing Date
CH326525D CH326525A (en) 1950-07-26 1954-10-11 Process for the recovery of excess ammonia in the synthesis of urea

Country Status (2)

Country Link
CH (1) CH326525A (en)
DE (1) DE1142356B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2008293709A1 (en) * 2007-08-24 2009-03-05 Powerspan Corp Method and apparatus for producing ammonium carbonate from urea

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE361801A (en) * 1928-06-27 1900-01-01
DE514893C (en) * 1929-11-06 1930-12-18 I G Farbenindustrie Akt Ges Process for working up mixtures containing carbon dioxide and ammonia
US2087325A (en) * 1933-09-13 1937-07-20 Solvay Process Co Process for the production of urea and ammonium salts
FR846559A (en) * 1938-01-06 1939-09-20 Alais Process for the dehydration of mixtures of carbonic acid and ammonia

Also Published As

Publication number Publication date
DE1142356B (en) 1963-01-17

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