IN140496B - - Google Patents
Info
- Publication number
- IN140496B IN140496B IN2312/CAL/1974A IN2312CA1974A IN140496B IN 140496 B IN140496 B IN 140496B IN 2312CA1974 A IN2312CA1974 A IN 2312CA1974A IN 140496 B IN140496 B IN 140496B
- Authority
- IN
- India
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)
- Glanulating (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5289174A JPS555977B2 (fr) | 1974-05-14 | 1974-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN140496B true IN140496B (fr) | 1976-11-20 |
Family
ID=12927475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN2312/CAL/1974A IN140496B (fr) | 1974-05-14 | 1974-10-19 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4003801A (fr) |
| JP (1) | JPS555977B2 (fr) |
| AT (1) | AT347474B (fr) |
| BE (1) | BE828819A (fr) |
| BR (1) | BR7502789A (fr) |
| CA (1) | CA1044257A (fr) |
| DE (1) | DE2521507B2 (fr) |
| EG (1) | EG11673A (fr) |
| ES (1) | ES437246A1 (fr) |
| FR (1) | FR2271200B1 (fr) |
| GB (1) | GB1453422A (fr) |
| IN (1) | IN140496B (fr) |
| NL (1) | NL171266B (fr) |
| NO (1) | NO149959C (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5268129A (en) * | 1975-12-05 | 1977-06-06 | Mitsui Toatsu Chem Inc | Recovery of unreacted material and heat on urea synthesis |
| JPS5982081A (ja) * | 1982-10-29 | 1984-05-11 | Sanwa Shoji Kk | 醗酵液の処理法およびその装置 |
| US5744009A (en) * | 1995-07-07 | 1998-04-28 | The M. W. Kellogg Company | Method and apparatus for recovering condensables in vapor from a urea vacuum evaporator |
| NL1022526C2 (nl) * | 2003-01-30 | 2004-08-04 | Dsm Nv | Werkwijze voor het afscheiden van NH3, en optioneel tevens CO2 en H2O, uit een mengsel bevattende NH3, CO2 en H2O. |
| EP2153880A1 (fr) * | 2008-07-31 | 2010-02-17 | Urea Casale S.A. | Procédé et installation pour la production d'une solution d'urée à utiliser dans le procédé SCR pour la réduction de Nox |
| MX345383B (es) * | 2011-08-17 | 2017-01-26 | Stamicarbon | Proceso para la producción de urea. |
| EA027675B1 (ru) | 2012-05-03 | 2017-08-31 | Стамикарбон Б.В. | Способ и установка получения мочевины |
| IT201700121364A1 (it) | 2017-10-25 | 2019-04-25 | Saipem Spa | Apparato e metodo per il trattamento di vapori di processo provenienti da una sezione di concentrazione sottovuoto di un impianto urea |
| JP6949693B2 (ja) * | 2017-12-08 | 2021-10-13 | 東洋エンジニアリング株式会社 | 尿素、アンモニア及び二酸化炭素を含む水溶液の処理方法並びに処理設備 |
| DE102019208859A1 (de) * | 2019-06-18 | 2020-12-24 | Skw Stickstoffwerke Piesteritz Gmbh | Verfahren zur kontinuierlichen Herstellung reiner Harnstofflösungen durch Verwertung von Prozesswasser |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1148991A (en) * | 1966-10-14 | 1969-04-16 | Toyo Koatsu Ind Inc | Process for synthesising urea |
| 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 |
| JPS4919259B1 (fr) * | 1969-08-30 | 1974-05-16 | ||
| JPS5535378B2 (fr) * | 1973-02-14 | 1980-09-12 |
-
1974
- 1974-05-14 JP JP5289174A patent/JPS555977B2/ja not_active Expired
- 1974-10-19 IN IN2312/CAL/1974A patent/IN140496B/en unknown
-
1975
- 1975-04-30 ES ES437246A patent/ES437246A1/es not_active Expired
- 1975-05-07 BE BE156135A patent/BE828819A/fr not_active IP Right Cessation
- 1975-05-07 BR BR3559/75A patent/BR7502789A/pt unknown
- 1975-05-08 GB GB1945075A patent/GB1453422A/en not_active Expired
- 1975-05-12 EG EG286/75A patent/EG11673A/xx active
- 1975-05-13 CA CA226,826A patent/CA1044257A/fr not_active Expired
- 1975-05-13 NO NO751695A patent/NO149959C/no unknown
- 1975-05-14 DE DE19752521507 patent/DE2521507B2/de not_active Withdrawn
- 1975-05-14 AT AT369175A patent/AT347474B/de not_active IP Right Cessation
- 1975-05-14 NL NLAANVRAGE7505667,A patent/NL171266B/xx not_active Application Discontinuation
- 1975-05-14 FR FR7515022A patent/FR2271200B1/fr not_active Expired
- 1975-05-14 US US05/577,341 patent/US4003801A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL171266B (nl) | 1982-10-01 |
| EG11673A (en) | 1977-10-31 |
| GB1453422A (en) | 1976-10-20 |
| JPS50142515A (fr) | 1975-11-17 |
| NO149959B (no) | 1984-04-16 |
| US4003801A (en) | 1977-01-18 |
| BE828819A (fr) | 1975-09-01 |
| FR2271200A1 (fr) | 1975-12-12 |
| NO751695L (fr) | 1975-11-17 |
| ATA369175A (de) | 1978-05-15 |
| AT347474B (de) | 1978-12-27 |
| NO149959C (no) | 1984-07-25 |
| DE2521507A1 (de) | 1975-11-27 |
| FR2271200B1 (fr) | 1980-08-01 |
| CA1044257A (fr) | 1978-12-12 |
| NL7505667A (nl) | 1975-11-18 |
| JPS555977B2 (fr) | 1980-02-12 |
| DE2521507B2 (de) | 1978-01-19 |
| ES437246A1 (es) | 1977-01-16 |
| BR7502789A (pt) | 1976-03-09 |