IT1107736B - Processo per la sintesi dell'urea - Google Patents
Processo per la sintesi dell'ureaInfo
- 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
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)
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 | procedimiento de doble reciclo isobarico perfeccionado, consu dispositivo de realizacion, para la sintesis de urea |
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) |
-
1977
- 1977-05-05 IT IT2321377A patent/IT1107736B/it active
-
1978
- 1978-05-01 AU AU35610/78A patent/AU516272B2/en not_active Expired
- 1978-05-03 ZA ZA00782547A patent/ZA782547B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
AU3561078A (en) | 1979-11-08 |
ZA782547B (en) | 1979-04-25 |
AU516272B2 (en) | 1981-05-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19940517 |