IT1107736B - Processo per la sintesi dell'urea - Google Patents

Processo per la sintesi dell'urea

Info

Publication number
IT1107736B
IT1107736B IT2321377A IT2321377A IT1107736B IT 1107736 B IT1107736 B IT 1107736B IT 2321377 A IT2321377 A IT 2321377A IT 2321377 A IT2321377 A IT 2321377A IT 1107736 B IT1107736 B IT 1107736B
Authority
IT
Italy
Prior art keywords
synthesis
thermal treatment
recycle
urea
prod
Prior art date
Application number
IT2321377A
Other languages
English (en)
Inventor
Giorgio Pagani
Original Assignee
Montedison 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
Priority to IT2321377A priority Critical patent/IT1107736B/it
Application filed by Montedison Spa filed Critical Montedison Spa
Priority to NO781486A priority patent/NO150512C/no
Priority to BG039565A priority patent/BG35038A3/xx
Priority to NLAANVRAGE7804520,A priority patent/NL174548C/xx
Priority to SE7804839A priority patent/SE446978B/sv
Priority to AR271955A priority patent/AR215178A1/es
Priority to PH14765A priority patent/PH14765A/en
Priority to RO7893930A priority patent/RO78855A/ro
Priority to JP5016378A priority patent/JPS53149930A/ja
Priority to AU35610/78A priority patent/AU516272B2/en
Priority to US05/901,816 priority patent/US4208347A/en
Priority to IL54613A priority patent/IL54613A/xx
Priority to PT67972A priority patent/PT67972B/pt
Priority to DD78205114A priority patent/DD135196A5/xx
Priority to DE2819218A priority patent/DE2819218C2/de
Priority to IN476/CAL/78A priority patent/IN148481B/en
Priority to AT0315578A priority patent/AT363953B/de
Priority to BR7802746A priority patent/BR7802746A/pt
Priority to HU78MO1012A priority patent/HU180880B/hu
Priority to ZA00782547A priority patent/ZA782547B/xx
Priority to FR7813113A priority patent/FR2389601B1/fr
Priority to GR56134A priority patent/GR71875B/el
Priority to CA302,604A priority patent/CA1111446A/en
Priority to ES469448A priority patent/ES469448A1/es
Priority to GB17792/78A priority patent/GB1581505A/en
Priority to CS783962A priority patent/CS220318B2/cs
Priority to YU1073/78A priority patent/YU40038B/xx
Priority to MX173336A priority patent/MX151430A/es
Priority to SU2609351A priority patent/SU1253427A3/ru
Priority to CH490978A priority patent/CH634553A5/de
Priority to PL20661778A priority patent/PL120415B1/pl
Priority to BE187414A priority patent/BE866730A/xx
Priority to AT501680A priority patent/AT364374B/de
Application granted granted Critical
Publication of IT1107736B publication Critical patent/IT1107736B/it

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT2321377A 1977-05-05 1977-05-05 Processo per la sintesi dell'urea IT1107736B (it)

Priority Applications (33)

Application Number Priority Date Filing Date Title
IT2321377A IT1107736B (it) 1977-05-05 1977-05-05 Processo per la sintesi dell'urea
BG039565A BG35038A3 (en) 1977-05-05 1978-04-27 Method and installation for synthesis of urea
NLAANVRAGE7804520,A NL174548C (nl) 1977-05-05 1978-04-27 Werkwijze voor het bereiden van ureum door reaktie van ammoniak en kooldioxyde.
SE7804839A SE446978B (sv) 1977-05-05 1978-04-27 Isobariskt dubbelatercirkulationsforfarande for syntetisering av urea under bildning av ammoniumkarbamat som mellanprodukt
NO781486A NO150512C (no) 1977-05-05 1978-04-27 Fremgangsmaate ved fremstilling av urea.
AR271955A AR215178A1 (es) 1977-05-05 1978-04-28 Procedimiento de doble reciclo isobarico perfeccionado,para la sintesis de urea,y aparato para llevarlo a la practica
PH14765A PH14765A (en) 1977-05-05 1978-04-28 Improved process for the synthesis of urea
RO7893930A RO78855A (ro) 1977-05-05 1978-04-28 Procedeu de preparare a ureii din amoniac si bioxid de carbon
JP5016378A JPS53149930A (en) 1977-05-05 1978-04-28 Improved method of synthesizing urea
US05/901,816 US4208347A (en) 1977-05-05 1978-05-01 Process for the synthesis of urea
IL54613A IL54613A (en) 1977-05-05 1978-05-01 Process and apparatus for the synthesis of urea
AU35610/78A AU516272B2 (en) 1977-05-05 1978-05-01 Isobaric process forthe synthesis of urea
AT0315578A AT363953B (de) 1977-05-05 1978-05-02 Verfahren zur herstellung von harnstoff
DD78205114A DD135196A5 (de) 1977-05-05 1978-05-02 Verfahren und vorrichtung zur herstellung von harnstoff
DE2819218A DE2819218C2 (de) 1977-05-05 1978-05-02 Verfahren zur Herstellung von Harnstoff
IN476/CAL/78A IN148481B (it) 1977-05-05 1978-05-02
PT67972A PT67972B (en) 1977-05-05 1978-05-02 Improved process for the synthesis of urea
BR7802746A BR7802746A (pt) 1977-05-05 1978-05-02 Processo de dupla reciclagem isobrara para sintese de ureia e respectivo equipamento
ZA00782547A ZA782547B (en) 1977-05-05 1978-05-03 Improved process for the synthesis of urea
FR7813113A FR2389601B1 (it) 1977-05-05 1978-05-03
HU78MO1012A HU180880B (en) 1977-05-05 1978-05-03 Process for preparing carbamide
SU2609351A SU1253427A3 (ru) 1977-05-05 1978-05-04 Способ получени мочевины
GR56134A GR71875B (it) 1977-05-05 1978-05-04
GB17792/78A GB1581505A (en) 1977-05-05 1978-05-04 Process for the synthesis of urea
CS783962A CS220318B2 (en) 1977-05-05 1978-05-04 Method of producing urea
YU1073/78A YU40038B (en) 1977-05-05 1978-05-04 Process for the thermic treatment of a product generated in the synthesis of urea
MX173336A MX151430A (es) 1977-05-05 1978-05-04 Procedimiento mejorado de doble reciclo isobarico para la sintesis de urea
CA302,604A CA1111446A (en) 1977-05-05 1978-05-04 Process for the synthesis of urea
ES469448A ES469448A1 (es) 1977-05-05 1978-05-04 Ÿprocedimiento de doble reciclo isobarico perfeccionado, consu dispositivo de realizacion, para la sintesis de ureaŸ
CH490978A CH634553A5 (de) 1977-05-05 1978-05-05 Verfahren zur herstellung von harnstoff.
PL20661778A PL120415B1 (en) 1977-05-05 1978-05-05 Method of manufacture of urea
BE187414A BE866730A (fr) 1977-05-05 1978-05-05 Procede et installation perfectionnes de synthese de l'uree
AT501680A AT364374B (de) 1977-05-05 1980-10-09 Verfahren zur herstellung von harnstoff

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2321377A IT1107736B (it) 1977-05-05 1977-05-05 Processo per la sintesi dell'urea

Publications (1)

Publication Number Publication Date
IT1107736B true IT1107736B (it) 1985-11-25

Family

ID=11204937

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2321377A IT1107736B (it) 1977-05-05 1977-05-05 Processo per la sintesi dell'urea

Country Status (3)

Country Link
AU (1) AU516272B2 (it)
IT (1) IT1107736B (it)
ZA (1) ZA782547B (it)

Also Published As

Publication number Publication date
AU3561078A (en) 1979-11-08
ZA782547B (en) 1979-04-25
AU516272B2 (en) 1981-05-28

Similar Documents

Publication Publication Date Title
ES469448A1 (es) Ÿprocedimiento de doble reciclo isobarico perfeccionado, consu dispositivo de realizacion, para la sintesis de ureaŸ
SU833158A3 (ru) Способ синтеза мочевины и аммиака
GB1560174A (en) Production of urea
DE69200785D1 (de) Verfahren zur Herstellung von Harnstoff mit hoher Energieausbeute.
ATE134994T1 (de) Verfahren zur herstellung von harnstoff mit unterschiedlichen leistungen sowie die implementierung in existierenden anlagen
GB1106024A (en) Urea synthesis
GB853220A (en) Process and apparatus for the preparation of urea from ammonia and carbon dioxide
GB1143332A (en) Synthesis of chemical compounds. particularly ammonia from gaseous reactants
GB1247951A (en) Process for preparing melamine from urea
ES8404676A1 (es) Procedimiento para preparar urea.
IT1109458B (it) Processo per la sintesi dell'urea
IT1107738B (it) Procedimento per la sintesi dell'urea e impianto per il medesimo
IT1107739B (it) Procedimento per la sintesi dell'urea e impianto per il medesimo
IT1107736B (it) Processo per la sintesi dell'urea
ATA501680A (de) Verfahren zur herstellung von harnstoff
ES8306103A1 (es) "un procedimiento mejorado para la preparacion de urea".
ES426480A1 (es) Un procedimiento para preparar urea.
GB1261170A (en) Urea synthesis process
GB1341497A (en) Process for the production of urea
ES443998A1 (es) Procedimiento para el tratamiento de vapor de agua generado al concentrar una solucion acuosa de urea.
GB1131906A (en) Method of synthesizing urea
GB981641A (en) Production of urea
GB844110A (en) An improved process and apparatus for the manufacture of urea
GB1031528A (en) Method for producing urea starting from carbon dioxide and ammonia
GB1268430A (en) Process for the production of urea

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940517