IT1070815B - Procedimento per separare e recuperare materiali non reagiti nella sintesi dell urea - Google Patents
Procedimento per separare e recuperare materiali non reagiti nella sintesi dell ureaInfo
- Publication number
- IT1070815B IT1070815B IT27497/76A IT2749776A IT1070815B IT 1070815 B IT1070815 B IT 1070815B IT 27497/76 A IT27497/76 A IT 27497/76A IT 2749776 A IT2749776 A IT 2749776A IT 1070815 B IT1070815 B IT 1070815B
- Authority
- IT
- Italy
- Prior art keywords
- urea
- reacted
- procedure
- separate
- recover materials
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50113709A JPS585190B2 (ja) | 1975-09-22 | 1975-09-22 | 尿素合成における未反応物の分離回収方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1070815B true IT1070815B (it) | 1985-04-02 |
Family
ID=14619163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT27497/76A IT1070815B (it) | 1975-09-22 | 1976-09-22 | Procedimento per separare e recuperare materiali non reagiti nella sintesi dell urea |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4081469A (it) |
| JP (1) | JPS585190B2 (it) |
| BR (1) | BR7606033A (it) |
| CA (1) | CA1059145A (it) |
| DE (1) | DE2642429A1 (it) |
| FR (1) | FR2324622A1 (it) |
| GB (1) | GB1501038A (it) |
| IT (1) | IT1070815B (it) |
| NL (1) | NL7610490A (it) |
| NO (1) | NO150556C (it) |
| PH (1) | PH13079A (it) |
| PT (1) | PT65594B (it) |
| SU (1) | SU971093A3 (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5573651A (en) * | 1978-11-30 | 1980-06-03 | Toyo Eng Corp | Preparation of urea |
| JPS5746954A (en) * | 1980-09-05 | 1982-03-17 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
| JPH0241751Y2 (it) * | 1984-11-16 | 1990-11-07 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2848493A (en) * | 1955-06-27 | 1958-08-19 | Allied Chem | Process for synthesis of urea |
| US3049563A (en) * | 1957-04-05 | 1962-08-14 | Sxpaf | |
| US3573173A (en) * | 1968-07-24 | 1971-03-30 | Mitsui Toatsu Chemicals | Process for recovering excess ammonia in urea synthesis by direct contact condensation with liquid ammonia |
| US3876696A (en) * | 1968-09-03 | 1975-04-08 | Snam Progetti | Process for the production of urea having a low carbamate content |
| US3984469A (en) * | 1969-10-16 | 1976-10-05 | Snam Progetti S.P.A. | Process for the production of urea |
| BE790015A (fr) * | 1971-10-19 | 1973-04-12 | Mavrovic Ivo | Synthese de l'uree avec conversion et recuperation de chaleur ameliorees |
| JPS5535378B2 (it) * | 1973-02-14 | 1980-09-12 |
-
1975
- 1975-09-22 JP JP50113709A patent/JPS585190B2/ja not_active Expired
-
1976
- 1976-08-30 US US05/718,562 patent/US4081469A/en not_active Expired - Lifetime
- 1976-09-13 BR BR7606033A patent/BR7606033A/pt unknown
- 1976-09-15 PT PT65594A patent/PT65594B/pt unknown
- 1976-09-20 PH PH18923A patent/PH13079A/en unknown
- 1976-09-20 GB GB38714/76A patent/GB1501038A/en not_active Expired
- 1976-09-21 NO NO763240A patent/NO150556C/no unknown
- 1976-09-21 FR FR7628308A patent/FR2324622A1/fr active Granted
- 1976-09-21 CA CA261,741A patent/CA1059145A/en not_active Expired
- 1976-09-21 DE DE19762642429 patent/DE2642429A1/de not_active Withdrawn
- 1976-09-21 NL NL7610490A patent/NL7610490A/xx not_active Application Discontinuation
- 1976-09-22 IT IT27497/76A patent/IT1070815B/it active
- 1976-09-22 SU SU762402956A patent/SU971093A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| CA1059145A (en) | 1979-07-24 |
| BR7606033A (pt) | 1977-08-23 |
| GB1501038A (en) | 1978-02-15 |
| NL7610490A (nl) | 1977-03-24 |
| PH13079A (en) | 1979-11-23 |
| JPS5239626A (en) | 1977-03-28 |
| NO150556C (no) | 1984-11-07 |
| FR2324622B3 (it) | 1979-06-01 |
| JPS585190B2 (ja) | 1983-01-29 |
| DE2642429A1 (de) | 1977-03-31 |
| SU971093A3 (ru) | 1982-10-30 |
| US4081469A (en) | 1978-03-28 |
| PT65594B (en) | 1978-03-28 |
| NO763240L (no) | 1977-03-23 |
| NO150556B (no) | 1984-07-30 |
| PT65594A (en) | 1976-10-01 |
| FR2324622A1 (fr) | 1977-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR7608700A (pt) | Artigo absorvente e processo aperfeicoado para fabricar o mesmo | |
| IT1061384B (it) | Composizione catalitica e relativi metodi di preparazione e di impiego | |
| SE429014B (sv) | Halsag- och dornsammansettningar | |
| TR18799A (tr) | Benzoilureido-difenil eterler ve insektisid olarak kullanilmalari | |
| IT1031397B (it) | Procedimento per la preparazione di poliolefine altamente stereore golari e cataoizzatore usato perdetto procedime to | |
| MY8000259A (en) | Improvements in or relating to the detecton of radiation | |
| IT1067001B (it) | Procedimento per il ricupero di sostanze non reagite e del calore nella sintesi dell'urea | |
| NL7607159A (nl) | Werkwijzen voor de bereiding en toepassing van fenylazijnzuurderivaten. | |
| SE418298B (sv) | Komposition for utspedning med vatten till bildandet av en matningsvetska for vattenbehandling samt anvendning herav | |
| ZA765815B (en) | Composition for use in the production of 99mtechnetium-radio-diagnostics | |
| AR208429A1 (es) | Procedimiento flexible integrado para la produccion de amoniaco y urea | |
| MX5334E (es) | Procedimiento para reducir la concentracion de nitrosaminas en dinitroanilinas | |
| IL50052A (en) | Thioureas and their use as miticides | |
| NO149342C (no) | Langstrakt komposittprodukt og anvendelse av samme | |
| SE8003172L (sv) | Anvendning av forreducerad malm i masugn | |
| IT1073915B (it) | Perfezionamento nei rotori di eli cotteri | |
| IT1052668B (it) | Microbici e procedimento per produrli | |
| IT1090175B (it) | Perfezionamento nei procedimenti di idrolisi di materiali proteici cheratinosi | |
| BR7501077A (pt) | Fecho de correr separavel e processo para fabricar o mesm | |
| SE7604570L (sv) | Tandborste samt sett att tillverka densamma | |
| IT1039601B (it) | Prodotto per proteggere e collegare fra lord parit di superfici di sca bio termico e relativo pro cedimento di applicazione | |
| SE419856B (sv) | Sett att framstella kroppar av alkali-beta-aluminiumoxid samt anordning for utforande av settet | |
| IT1070815B (it) | Procedimento per separare e recuperare materiali non reagiti nella sintesi dell urea | |
| IT1079025B (it) | Perfezionamento nella preparazione di eteri | |
| IT1069520B (it) | Polvere collante fusibile e procedimento per la sua fabbricazione |