BE684673A - - Google Patents
Info
- Publication number
- BE684673A BE684673A BE684673DA BE684673A BE 684673 A BE684673 A BE 684673A BE 684673D A BE684673D A BE 684673DA BE 684673 A BE684673 A BE 684673A
- Authority
- BE
- Belgium
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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH499766A CH468356A (de) | 1966-04-05 | 1966-04-05 | Verfahren zur Aufarbeitung des bei der Synthese von Harnstoff aus Ammoniak und Kohlendioxyd in einem Synthesereaktor bei erhöhtem Druck und erhöhter Temperatur erhaltenen Synthesegemisches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE684673A true BE684673A (de) | 1967-01-03 |
Family
ID=4286155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE684673D BE684673A (de) | 1966-04-05 | 1966-07-27 |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT272360B (de) |
| BE (1) | BE684673A (de) |
| CH (1) | CH468356A (de) |
| DE (1) | DE1568845A1 (de) |
| DK (1) | DK118013B (de) |
| GB (1) | GB1124868A (de) |
| NL (1) | NL6704780A (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4832091B1 (de) * | 1968-02-12 | 1973-10-04 | ||
| NL156686B (nl) * | 1968-03-16 | 1978-05-16 | Stamicarbon | Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak. |
| US3984469A (en) * | 1969-10-16 | 1976-10-05 | Snam Progetti S.P.A. | Process for the production of urea |
| JPS5189B1 (de) * | 1970-03-12 | 1976-01-05 | ||
| IT1068268B (it) * | 1976-09-09 | 1985-03-21 | Snam Progetti | Procedimento per la produzione di urea e purificazione delle acque |
| NL8104039A (nl) * | 1981-09-01 | 1983-04-05 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8104040A (nl) * | 1981-09-01 | 1983-04-05 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| JPS61109760A (ja) * | 1984-11-02 | 1986-05-28 | Toyo Eng Corp | 尿素製造法 |
| EP0569629A1 (de) * | 1992-05-11 | 1993-11-18 | Union Oil Company of California, dba UNOCAL | Verfahren zur Herstellung von saueren Harnstofflösungen |
| CN102725053B (zh) | 2009-10-28 | 2016-04-06 | Oasys水有限公司 | 正向渗透分离工艺 |
| AU2010313335B2 (en) | 2009-10-30 | 2016-04-14 | Oasys Water LLC | Osmotic separation systems and methods |
| AU2012249903B2 (en) | 2011-04-25 | 2015-11-12 | Oasys Water LLC | Osmotic separation systems and methods |
-
1966
- 1966-04-05 CH CH499766A patent/CH468356A/de unknown
- 1966-06-06 DE DE19661568845 patent/DE1568845A1/de active Pending
- 1966-07-27 BE BE684673D patent/BE684673A/xx unknown
-
1967
- 1967-03-28 DK DK1567A patent/DK118013B/da unknown
- 1967-04-03 AT AT317567A patent/AT272360B/de active
- 1967-04-04 NL NL6704780A patent/NL6704780A/xx unknown
- 1967-04-05 GB GB1569767A patent/GB1124868A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1124868A (en) | 1968-08-21 |
| NL6704780A (de) | 1967-10-06 |
| DK118013B (da) | 1970-06-29 |
| CH468356A (de) | 1969-02-15 |
| DE1568845A1 (de) | 1972-04-13 |
| AT272360B (de) | 1969-07-10 |