IE32161B1 - Improvements in and relating to the pyrolysis of urea - Google Patents

Improvements in and relating to the pyrolysis of urea

Info

Publication number
IE32161B1
IE32161B1 IE76468A IE76468A IE32161B1 IE 32161 B1 IE32161 B1 IE 32161B1 IE 76468 A IE76468 A IE 76468A IE 76468 A IE76468 A IE 76468A IE 32161 B1 IE32161 B1 IE 32161B1
Authority
IE
Ireland
Prior art keywords
urea
reactors
ammonia
reactor
mixture
Prior art date
Application number
IE76468A
Other languages
English (en)
Other versions
IE32161L (en
Original Assignee
Ici Ltd
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 Ici Ltd filed Critical Ici Ltd
Publication of IE32161L publication Critical patent/IE32161L/xx
Publication of IE32161B1 publication Critical patent/IE32161B1/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
    • C07C273/18—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 substituted ureas
    • C07C273/1872—Preparation of compounds comprising a -N-C(O)-N-C(O)-N- moiety
    • C07C273/1881—Preparation of compounds comprising a -N-C(O)-N-C(O)-N- moiety from urea

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IE76468A 1967-07-03 1968-06-26 Improvements in and relating to the pyrolysis of urea IE32161B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3057667A GB1155907A (en) 1967-07-03 1967-07-03 Improvements in and relating to The Pyrolysis Of Urea
GB3057668 1968-05-29

Publications (2)

Publication Number Publication Date
IE32161L IE32161L (en) 1969-01-03
IE32161B1 true IE32161B1 (en) 1973-05-02

Family

ID=26260508

Family Applications (1)

Application Number Title Priority Date Filing Date
IE76468A IE32161B1 (en) 1967-07-03 1968-06-26 Improvements in and relating to the pyrolysis of urea

Country Status (6)

Country Link
BE (1) BE717492A (fr)
DE (1) DE1768805A1 (fr)
FR (1) FR1572787A (fr)
GB (1) GB1155907A (fr)
IE (1) IE32161B1 (fr)
NL (1) NL6809276A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4540820A (en) * 1981-05-20 1985-09-10 Moorman Manufacturing Company Production of animal feed grade biuret
DE3131687A1 (de) * 1981-08-11 1983-03-03 Focke & Co, 2810 Verden "verpackungs-vorrichtung zum herstellen von zuschnitten und zufuehren derselben in einer verpackungsstation"
US5248755A (en) * 1989-07-28 1993-09-28 Chemie Linz Gesellschaft M.B.H. Process for the preparation of asymmetrically substituted ureas, carbamates or thiocarbamates
EP0410168B1 (fr) * 1989-07-28 1994-12-14 Chemie Linz GmbH Procédé de préparation d'urées substituées asymétriquement
DE3928566A1 (de) * 1989-08-29 1991-03-07 Chemie Linz Deutschland Verfahren zur herstellung unsymmetrisch substituierter harnstoffe
DE3928595A1 (de) * 1989-08-29 1991-03-07 Chemie Linz Deutschland Verfahren zur herstellung unsymmetrisch substituierter harnstoffe
DE4116485A1 (de) * 1991-05-21 1991-10-02 Siegfried Doeringer Halter zum sicheren und schnellen ablegen von topfdeckeln mit beliebiger form und groesse
CN110975531A (zh) * 2019-12-31 2020-04-10 河北六合化工有限公司 氰尿酸生产中氨气处理方法

Also Published As

Publication number Publication date
DE1768805A1 (de) 1972-01-05
BE717492A (fr) 1969-01-02
NL6809276A (fr) 1969-01-07
FR1572787A (fr) 1969-06-27
IE32161L (en) 1969-01-03
GB1155907A (en) 1969-06-25

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