NL6704780A - - Google Patents
Info
- Publication number
- NL6704780A NL6704780A NL6704780A NL6704780A NL6704780A NL 6704780 A NL6704780 A NL 6704780A NL 6704780 A NL6704780 A NL 6704780A NL 6704780 A NL6704780 A NL 6704780A NL 6704780 A NL6704780 A NL 6704780A
- Authority
- NL
- Netherlands
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 |
|---|---|
| NL6704780A true NL6704780A (xx) | 1967-10-06 |
Family
ID=4286155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6704780A NL6704780A (xx) | 1966-04-05 | 1967-04-04 |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT272360B (xx) |
| BE (1) | BE684673A (xx) |
| CH (1) | CH468356A (xx) |
| DE (1) | DE1568845A1 (xx) |
| DK (1) | DK118013B (xx) |
| GB (1) | GB1124868A (xx) |
| NL (1) | NL6704780A (xx) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3666807A (en) * | 1968-02-12 | 1972-05-30 | Sumitomo Chemical Co | Process for producing urea |
| US3674847A (en) * | 1968-03-16 | 1972-07-04 | Stamicarbon | Process for urea production in combination with ammonia synthesis |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3984469A (en) * | 1969-10-16 | 1976-10-05 | Snam Progetti S.P.A. | Process for the production of urea |
| JPS5189B1 (xx) * | 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 |
| NL8104040A (nl) * | 1981-09-01 | 1983-04-05 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8104039A (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 (en) * | 1992-05-11 | 1993-11-18 | Union Oil Company of California, dba UNOCAL | Method for producing acidic urea solutions |
| KR101749159B1 (ko) | 2009-10-28 | 2017-07-04 | 오아시스 워터, 인크. | 정 삼투 분리 방법 |
| CN104056551B (zh) | 2009-10-30 | 2017-04-12 | Oasys水有限公司 | 渗透分离系统和方法 |
| BR112013027449A2 (pt) | 2011-04-25 | 2019-09-24 | Oasys Water Inc | sistemas e métodos de separação osmótica |
-
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
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3666807A (en) * | 1968-02-12 | 1972-05-30 | Sumitomo Chemical Co | Process for producing urea |
| US3674847A (en) * | 1968-03-16 | 1972-07-04 | Stamicarbon | Process for urea production in combination with ammonia synthesis |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1568845A1 (de) | 1972-04-13 |
| CH468356A (de) | 1969-02-15 |
| BE684673A (xx) | 1967-01-03 |
| AT272360B (de) | 1969-07-10 |
| GB1124868A (en) | 1968-08-21 |
| DK118013B (da) | 1970-06-29 |