PT66245B - Process for separating and recovering unreacted materials in urea synthesis - Google Patents
Process for separating and recovering unreacted materials in urea synthesisInfo
- Publication number
- PT66245B PT66245B PT66245A PT6624577A PT66245B PT 66245 B PT66245 B PT 66245B PT 66245 A PT66245 A PT 66245A PT 6624577 A PT6624577 A PT 6624577A PT 66245 B PT66245 B PT 66245B
- Authority
- PT
- Portugal
- Prior art keywords
- separating
- urea synthesis
- unreacted materials
- recovering unreacted
- recovering
- 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)
- Lubricants (AREA)
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 (2)
| Publication Number | Publication Date |
|---|---|
| PT66245A PT66245A (en) | 1977-03-01 |
| PT66245B true PT66245B (en) | 1978-07-17 |
Family
ID=12064013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT66245A PT66245B (en) | 1976-03-02 | 1977-02-28 | Process for separating and recovering unreacted materials in urea synthesis |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS52105125A (no) |
| AU (1) | AU506697B2 (no) |
| BR (1) | BR7701245A (no) |
| CA (1) | CA1072980A (no) |
| DE (1) | DE2708617C2 (no) |
| EG (1) | EG12471A (no) |
| FR (1) | FR2342961A1 (no) |
| GB (1) | GB1508119A (no) |
| IN (1) | IN145548B (no) |
| IT (1) | IT1071312B (no) |
| MX (1) | MX144971A (no) |
| NL (1) | NL7701883A (no) |
| NO (1) | NO150276C (no) |
| PH (1) | PH13083A (no) |
| PT (1) | PT66245B (no) |
| SU (1) | SU810078A3 (no) |
Families Citing this family (3)
| 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)
| 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 (no) * | 1969-08-30 | 1974-05-16 | ||
| US3824283A (en) * | 1970-11-02 | 1974-07-16 | Chemical Construction Corp | Urea synthesis process |
-
1976
- 1976-03-02 JP JP2176076A patent/JPS52105125A/ja active Granted
- 1976-10-14 IN IN1881/CAL/76A patent/IN145548B/en unknown
-
1977
- 1977-02-01 MX MX167894A patent/MX144971A/es unknown
- 1977-02-14 EG EG86/77A patent/EG12471A/xx active
- 1977-02-15 GB GB6319/77A patent/GB1508119A/en not_active Expired
- 1977-02-21 AU AU22502/77A patent/AU506697B2/en not_active Expired
- 1977-02-22 NL NL7701883A patent/NL7701883A/xx not_active Application Discontinuation
- 1977-02-28 FR FR7705832A patent/FR2342961A1/fr active Granted
- 1977-02-28 PT PT66245A patent/PT66245B/pt unknown
- 1977-02-28 NO NO770672A patent/NO150276C/no unknown
- 1977-02-28 DE DE2708617A patent/DE2708617C2/de not_active Expired
- 1977-03-01 PH PH19511A patent/PH13083A/en unknown
- 1977-03-01 CA CA272,865A patent/CA1072980A/en not_active Expired
- 1977-03-01 BR BR7701245A patent/BR7701245A/pt unknown
- 1977-03-02 IT IT20822/77A patent/IT1071312B/it active
- 1977-03-02 SU SU772455690A patent/SU810078A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| EG12471A (en) | 1979-09-30 |
| IT1071312B (it) | 1985-04-02 |
| DE2708617C2 (de) | 1984-11-29 |
| JPS52105125A (en) | 1977-09-03 |
| NO150276B (no) | 1984-06-12 |
| BR7701245A (pt) | 1977-12-20 |
| NL7701883A (nl) | 1977-09-06 |
| NO770672L (no) | 1977-09-05 |
| NO150276C (no) | 1984-09-19 |
| IN145548B (no) | 1978-11-04 |
| AU506697B2 (en) | 1980-01-17 |
| SU810078A3 (ru) | 1981-02-28 |
| GB1508119A (en) | 1978-04-19 |
| CA1072980A (en) | 1980-03-04 |
| PT66245A (en) | 1977-03-01 |
| JPS5532703B2 (no) | 1980-08-26 |
| FR2342961B1 (no) | 1980-10-31 |
| MX144971A (es) | 1981-12-09 |
| DE2708617A1 (de) | 1977-09-08 |
| AU2250277A (en) | 1978-08-31 |
| FR2342961A1 (fr) | 1977-09-30 |
| PH13083A (en) | 1979-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB2017071B (en) | Ammonia synthesis process | |
| PT66287A (en) | Apparatus and process for the synthesis of ammonia | |
| PT66688A (en) | Improvement in process for making shampoo | |
| JPS5328995A (en) | Article for collecting and holding aqua amnii | |
| EG12147A (en) | Process for recovering unreacted materials and heat from urea synthesis system | |
| MY8500246A (en) | Nucleosides and a process for the manufacture thereof | |
| JPS5520688A (en) | Machine for classifying and recovering flat body | |
| JPS52143919A (en) | Investment material | |
| PT65594B (en) | Process for separating and recovering unreacted materials in urea synthesis | |
| EG12586A (en) | Benzene-sulfonyl ureas and process for preparing them | |
| PH13083A (en) | Process for separating and recovering unreacted materials in urea synthesis | |
| GB1539363A (en) | Process for recovery of products from a waste stream in the manufacture of acrylonitrile | |
| EG12892A (en) | Improvements in or relating to urea synthesis process | |
| JPS5328691A (en) | Modified resin and process for producing same | |
| ZA766476B (en) | Gold recovery | |
| JPS5280375A (en) | Process for recovering pvc from disposed pvc leather and pvc walllcovering paper | |
| JPS52112673A (en) | Process for recovering plastics and aluminium from disposed tablettwrapper for medicine | |
| JPS5280374A (en) | Process for recovering pvc from disposed pvc leather and pvc walllcovering paper | |
| JPS52100590A (en) | Process for recovering pvc from disposed pvc leather and pvc walllcovering paper | |
| JPS5326209A (en) | Nickellchromiummalloyybased composite material and process for production thereof | |
| HU179579B (en) | Process for separating ammonia and carbondioxide from gas-mixtures containing ammonia and carbondioxide | |
| GB2017151B (en) | Electrochemical synthesis and product | |
| GB2018249B (en) | Urea synthesis | |
| JPS52126679A (en) | Method and apparatus for reacting solid materials in gassliquiddsolid phase | |
| JPS5294377A (en) | Process for utilyzing disposed plastics and product thereof |