ZA712018B - Process for the production of urea - Google Patents
Process for the production of ureaInfo
- Publication number
- ZA712018B ZA712018B ZA712018A ZA712018A ZA712018B ZA 712018 B ZA712018 B ZA 712018B ZA 712018 A ZA712018 A ZA 712018A ZA 712018 A ZA712018 A ZA 712018A ZA 712018 B ZA712018 B ZA 712018B
- Authority
- ZA
- South Africa
- Prior art keywords
- urea
- production
- 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)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2280470 | 1970-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA712018B true ZA712018B (en) | 1971-12-29 |
Family
ID=11200606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA712018A ZA712018B (en) | 1970-04-02 | 1971-03-29 | Process for the production of urea |
Country Status (24)
| Country | Link |
|---|---|
| JP (1) | JPS5529066B1 (xx) |
| AT (1) | AT317910B (xx) |
| BE (1) | BE765031A (xx) |
| BR (1) | BR7101989D0 (xx) |
| CH (1) | CH551386A (xx) |
| CS (1) | CS182213B2 (xx) |
| DE (1) | DE2116267C3 (xx) |
| DK (1) | DK139815B (xx) |
| EG (1) | EG10651A (xx) |
| ES (1) | ES390189A1 (xx) |
| FR (1) | FR2092554A5 (xx) |
| GB (1) | GB1341497A (xx) |
| HU (1) | HU164316B (xx) |
| IE (1) | IE35308B1 (xx) |
| IL (1) | IL36465A (xx) |
| LU (1) | LU62905A1 (xx) |
| NL (1) | NL171703C (xx) |
| NO (1) | NO140055C (xx) |
| RO (1) | RO63099A (xx) |
| SE (1) | SE403370B (xx) |
| TR (1) | TR16951A (xx) |
| YU (1) | YU35755B (xx) |
| ZA (1) | ZA712018B (xx) |
| ZM (1) | ZM4671A1 (xx) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE787832A (fr) * | 1971-09-02 | 1973-02-22 | Stamicarbon | Procede pour la preparation d'uree |
| JPS5811432B2 (ja) * | 1979-10-08 | 1983-03-02 | 三井東圧化学株式会社 | 尿素合成法 |
| JPS57128669A (en) * | 1981-02-03 | 1982-08-10 | Toyo Eng Corp | Improvement of urea preparation process |
| DE3364579D1 (en) * | 1982-06-03 | 1986-08-28 | Montedison Spa | Method for avoiding the corrosion of strippers in urea manufacturing plants |
| IT1209532B (it) * | 1984-04-20 | 1989-08-30 | Snam Progetti | Processo per la sintesi di urea e materiale utilizzato nello stesso. |
| CH679485A5 (xx) * | 1989-12-29 | 1992-02-28 | Ammonia Casale Sa | |
| ITMI20071029A1 (it) | 2007-05-22 | 2008-11-23 | Snam Progetti | Procedimento migliorato per la sintesi di urea |
| ITMI20120013A1 (it) | 2012-01-09 | 2013-07-10 | Saipem Spa | Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper |
| CN105246874B (zh) | 2013-05-28 | 2018-06-12 | 东洋工程株式会社 | 尿素合成方法 |
-
1971
- 1971-03-22 IL IL36465A patent/IL36465A/xx unknown
- 1971-03-22 EG EG123/71A patent/EG10651A/xx active
- 1971-03-29 IE IE396/71A patent/IE35308B1/xx unknown
- 1971-03-29 ZA ZA712018A patent/ZA712018B/xx unknown
- 1971-03-30 CS CS7100002290A patent/CS182213B2/cs unknown
- 1971-03-30 TR TR16951A patent/TR16951A/xx unknown
- 1971-03-31 ES ES390189A patent/ES390189A1/es not_active Expired
- 1971-03-31 BE BE765031A patent/BE765031A/xx not_active IP Right Cessation
- 1971-03-31 HU HUSA2184A patent/HU164316B/hu unknown
- 1971-03-31 FR FR7111263A patent/FR2092554A5/fr not_active Expired
- 1971-04-01 DK DK156971AA patent/DK139815B/da not_active IP Right Cessation
- 1971-04-01 JP JP1927171A patent/JPS5529066B1/ja active Pending
- 1971-04-01 LU LU62905D patent/LU62905A1/xx unknown
- 1971-04-01 NO NO1244/71A patent/NO140055C/no unknown
- 1971-04-01 YU YU813/71A patent/YU35755B/xx unknown
- 1971-04-02 ZM ZM46/71A patent/ZM4671A1/xx unknown
- 1971-04-02 SE SE7104354A patent/SE403370B/xx unknown
- 1971-04-02 NL NLAANVRAGE7104428,A patent/NL171703C/xx not_active IP Right Cessation
- 1971-04-02 BR BR1989/71A patent/BR7101989D0/pt unknown
- 1971-04-02 RO RO7100066459A patent/RO63099A/ro unknown
- 1971-04-02 DE DE2116267A patent/DE2116267C3/de not_active Expired
- 1971-04-02 CH CH487271A patent/CH551386A/fr not_active IP Right Cessation
- 1971-04-02 AT AT284671A patent/AT317910B/de not_active IP Right Cessation
- 1971-04-19 GB GB2597771*A patent/GB1341497A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2116267C3 (de) | 1980-04-24 |
| ES390189A1 (es) | 1973-07-01 |
| SE403370B (sv) | 1978-08-14 |
| EG10651A (en) | 1977-10-31 |
| DK139815C (xx) | 1979-10-01 |
| BR7101989D0 (pt) | 1973-02-22 |
| YU35755B (en) | 1981-06-30 |
| DK139815B (da) | 1979-04-23 |
| DE2116267A1 (de) | 1971-10-14 |
| IL36465A0 (en) | 1971-05-26 |
| FR2092554A5 (xx) | 1972-01-21 |
| BE765031A (fr) | 1971-08-16 |
| HU164316B (xx) | 1974-01-28 |
| NL171703B (nl) | 1982-12-01 |
| IE35308B1 (en) | 1976-01-07 |
| NL171703C (nl) | 1985-02-18 |
| YU81371A (en) | 1980-10-31 |
| IL36465A (en) | 1974-07-31 |
| NO140055C (no) | 1980-10-29 |
| IE35308L (en) | 1971-10-02 |
| RO63099A (fr) | 1978-09-15 |
| ZM4671A1 (en) | 1971-12-22 |
| GB1341497A (en) | 1973-12-19 |
| AT317910B (de) | 1974-09-25 |
| CS182213B2 (en) | 1978-04-28 |
| LU62905A1 (xx) | 1971-08-26 |
| CH551386A (fr) | 1974-07-15 |
| NO140055B (no) | 1979-03-19 |
| TR16951A (tr) | 1974-01-09 |
| JPS5529066B1 (xx) | 1980-07-31 |
| NL7104428A (xx) | 1971-10-05 |
| DE2116267B2 (de) | 1974-05-16 |
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