CA1072980A - Procede pour la reparation et la recuperation de reactifs non utilises pendant la synthese de l'uree - Google Patents

Procede pour la reparation et la recuperation de reactifs non utilises pendant la synthese de l'uree

Info

Publication number
CA1072980A
CA1072980A CA272,865A CA272865A CA1072980A CA 1072980 A CA1072980 A CA 1072980A CA 272865 A CA272865 A CA 272865A CA 1072980 A CA1072980 A CA 1072980A
Authority
CA
Canada
Prior art keywords
zone
urea synthesis
effluent
rectification
urea
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
CA272,865A
Other languages
English (en)
Inventor
Shigeru Inoue
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals 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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Application granted granted Critical
Publication of CA1072980A publication Critical patent/CA1072980A/fr
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Lubricants (AREA)
CA272,865A 1976-03-02 1977-03-01 Procede pour la reparation et la recuperation de reactifs non utilises pendant la synthese de l'uree Expired CA1072980A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2176076A JPS52105125A (en) 1976-03-02 1976-03-02 Separation and recovery of unreacted material on urea synthesis

Publications (1)

Publication Number Publication Date
CA1072980A true CA1072980A (fr) 1980-03-04

Family

ID=12064013

Family Applications (1)

Application Number Title Priority Date Filing Date
CA272,865A Expired CA1072980A (fr) 1976-03-02 1977-03-01 Procede pour la reparation et la recuperation de reactifs non utilises pendant la synthese de l'uree

Country Status (16)

Country Link
JP (1) JPS52105125A (fr)
AU (1) AU506697B2 (fr)
BR (1) BR7701245A (fr)
CA (1) CA1072980A (fr)
DE (1) DE2708617C2 (fr)
EG (1) EG12471A (fr)
FR (1) FR2342961A1 (fr)
GB (1) GB1508119A (fr)
IN (1) IN145548B (fr)
IT (1) IT1071312B (fr)
MX (1) MX144971A (fr)
NL (1) NL7701883A (fr)
NO (1) NO150276C (fr)
PH (1) PH13083A (fr)
PT (1) PT66245B (fr)
SU (1) SU810078A3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5750954A (en) * 1980-09-12 1982-03-25 Mitsui Toatsu Chem Inc Synthesis of urea
GB2089786B (en) * 1980-12-23 1985-02-20 Mitsui Toatsu Chemicals Process for synthesizing urea
JPS5867661A (ja) * 1981-10-16 1983-04-22 Mitsui Toatsu Chem Inc 尿素合成法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1540732A (fr) * 1966-10-14 1968-09-27 Toyo Koatsu Ind Inc Procédé de synthèse de l'urée
GB1217219A (en) * 1967-08-10 1970-12-31 Mitsui Toatsu Chemicals Process for recovering excess ammonia in urea synthesis
JPS4919259B1 (fr) * 1969-08-30 1974-05-16
US3824283A (en) * 1970-11-02 1974-07-16 Chemical Construction Corp Urea synthesis process

Also Published As

Publication number Publication date
PT66245B (en) 1978-07-17
FR2342961B1 (fr) 1980-10-31
NL7701883A (nl) 1977-09-06
AU506697B2 (en) 1980-01-17
GB1508119A (en) 1978-04-19
NO150276C (no) 1984-09-19
NO770672L (no) 1977-09-05
SU810078A3 (ru) 1981-02-28
IT1071312B (it) 1985-04-02
AU2250277A (en) 1978-08-31
MX144971A (es) 1981-12-09
EG12471A (en) 1979-09-30
PT66245A (en) 1977-03-01
NO150276B (no) 1984-06-12
DE2708617A1 (de) 1977-09-08
FR2342961A1 (fr) 1977-09-30
BR7701245A (pt) 1977-12-20
PH13083A (en) 1979-11-23
IN145548B (fr) 1978-11-04
DE2708617C2 (de) 1984-11-29
JPS5532703B2 (fr) 1980-08-26
JPS52105125A (en) 1977-09-03

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Legal Events

Date Code Title Description
MKEX Expiry