JPS4919259B1 - - Google Patents
Info
- Publication number
- JPS4919259B1 JPS4919259B1 JP44068311A JP6831169A JPS4919259B1 JP S4919259 B1 JPS4919259 B1 JP S4919259B1 JP 44068311 A JP44068311 A JP 44068311A JP 6831169 A JP6831169 A JP 6831169A JP S4919259 B1 JPS4919259 B1 JP S4919259B1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP44068311A JPS4919259B1 (US06373033-20020416-M00071.png) | 1969-08-30 | 1969-08-30 | |
| ES382368A ES382368A1 (es) | 1969-08-30 | 1970-07-31 | Procedimiento para separar materiales no reaccionados de unefluente de sintesis de urea. |
| FR7029551A FR2056850A5 (US06373033-20020416-M00071.png) | 1969-08-30 | 1970-08-11 | |
| US00064805A US3725210A (en) | 1969-08-30 | 1970-08-18 | Method of removing unreacted materials remaining in urea synthesis effluent by plural stage distillation and co2 stripping |
| GB1295742D GB1295742A (US06373033-20020416-M00071.png) | 1969-08-30 | 1970-08-19 | |
| SU1473676A SU467518A3 (ru) | 1969-08-30 | 1970-08-24 | Способ выделени непрореагировавших компонентов из потока продуктов образующихс при синтезе мочевины |
| DE2042574A DE2042574C3 (de) | 1969-08-30 | 1970-08-27 | Verfahren zur vollständigen Abtrennung von Restanteilen an Kohlendioxid und Ammoniak aus einer durch Umsetzung von Kohlendioxid und Ammoniak erhaltenen wässrigen Harnstofflösung |
| CA091,858A CA939293A (en) | 1969-08-30 | 1970-08-28 | Removal of unreacted materials from urea synthesis effluent |
| NL707012798A NL148595B (nl) | 1969-08-30 | 1970-08-28 | Werkwijze voor het afscheiden van ammoniumcarbamaat uit een ureumsyntheseprodukt. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP44068311A JPS4919259B1 (US06373033-20020416-M00071.png) | 1969-08-30 | 1969-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4919259B1 true JPS4919259B1 (US06373033-20020416-M00071.png) | 1974-05-16 |
Family
ID=13370122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP44068311A Pending JPS4919259B1 (US06373033-20020416-M00071.png) | 1969-08-30 | 1969-08-30 |
Country Status (9)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4036878A (en) * | 1972-06-12 | 1977-07-19 | Unie Van Kunstmestfabrieken, B.V. | Process for preparing urea |
| NL7417042A (nl) * | 1974-01-16 | 1975-07-18 | Fisons Ltd | Werkwijze voor de bereiding van ammoniumfos- faten. |
| US4061633A (en) * | 1974-02-25 | 1977-12-06 | Lazar Isaevich Blyakhman | Method of recovering primary and secondary amines |
| JPS555977B2 (US06373033-20020416-M00071.png) * | 1974-05-14 | 1980-02-12 | ||
| IT1014987B (it) * | 1974-06-12 | 1977-04-30 | Snam Progetti | Procedimento integrato urea am moniaca |
| JPS5268129A (en) * | 1975-12-05 | 1977-06-06 | Mitsui Toatsu Chem Inc | Recovery of unreacted material and heat on urea synthesis |
| US4110374A (en) * | 1976-03-02 | 1978-08-29 | Mitsui Toatsu Chemicals Inc. | Process for separating and recovering unreacted materials in urea synthesis |
| JPS52105125A (en) * | 1976-03-02 | 1977-09-03 | Mitsui Toatsu Chem Inc | Separation and recovery of unreacted material on urea synthesis |
| US4341640A (en) * | 1976-09-27 | 1982-07-27 | Standard Oil Company | Urea hydrolysis |
| NL7903623A (nl) * | 1979-05-09 | 1980-11-11 | Stamicarbon | Werkwijze voor het zuiveren van ureumhoudend afvalwater en werkwijze voor het bereiden van melamine. |
| JPS56128749A (en) * | 1980-03-13 | 1981-10-08 | Mitsui Toatsu Chem Inc | Stripping of unreacted material in urea preparation process |
| JP2004141263A (ja) * | 2002-10-22 | 2004-05-20 | Aruze Corp | 遊技機 |
| EP3366670A1 (en) * | 2017-02-27 | 2018-08-29 | Casale Sa | A process and system to capture ammonia from a purge gas of a urea plant |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3317601A (en) * | 1962-08-08 | 1967-05-02 | Toyo Koatsu Ind Inc | Synthesizing urea |
| FR1534669A (fr) * | 1964-02-17 | 1968-08-02 | Allied Chem | Procédé et dispositif de décomposition de carbamate d'ammonium notamment résultant de la synthèse de l'urée ainsi que les produits obtenus par le présent procédé ou procédé similaire |
| US3471558A (en) * | 1964-02-27 | 1969-10-07 | Allied Chem | Method for the decomposition and evaporation of urea synthesis effluent |
| FR1434858A (fr) * | 1964-05-29 | 1966-04-08 | Stamicarbon | Procédé pour la préparation d'urée |
| FR1458030A (fr) * | 1964-12-16 | 1966-01-24 | Stamicarbon | Procédé et dispositif pour la préparation d'urée |
| US3301897A (en) * | 1965-11-08 | 1967-01-31 | Chemical Construction Corp | Process for urea synthesis |
-
1969
- 1969-08-30 JP JP44068311A patent/JPS4919259B1/ja active Pending
-
1970
- 1970-07-31 ES ES382368A patent/ES382368A1/es not_active Expired
- 1970-08-11 FR FR7029551A patent/FR2056850A5/fr not_active Expired
- 1970-08-18 US US00064805A patent/US3725210A/en not_active Expired - Lifetime
- 1970-08-19 GB GB1295742D patent/GB1295742A/en not_active Expired
- 1970-08-24 SU SU1473676A patent/SU467518A3/ru active
- 1970-08-27 DE DE2042574A patent/DE2042574C3/de not_active Expired
- 1970-08-28 NL NL707012798A patent/NL148595B/xx not_active IP Right Cessation
- 1970-08-28 CA CA091,858A patent/CA939293A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1295742A (US06373033-20020416-M00071.png) | 1972-11-08 |
| CA939293A (en) | 1974-01-01 |
| US3725210A (en) | 1973-04-03 |
| DE2042574B2 (de) | 1977-12-08 |
| FR2056850A5 (US06373033-20020416-M00071.png) | 1971-05-14 |
| DE2042574A1 (de) | 1971-03-11 |
| SU467518A3 (ru) | 1975-04-15 |
| NL7012798A (US06373033-20020416-M00071.png) | 1971-03-02 |
| NL148595B (nl) | 1976-02-16 |
| ES382368A1 (es) | 1972-11-16 |
| DE2042574C3 (de) | 1978-08-10 |
