BE729862A - - Google Patents
Info
- Publication number
- BE729862A BE729862A BE729862DA BE729862A BE 729862 A BE729862 A BE 729862A BE 729862D A BE729862D A BE 729862DA BE 729862 A BE729862 A BE 729862A
- 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
- C07C273/10—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 combined with the synthesis of ammonia
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
- C01C1/0488—Processes integrated with preparations of other compounds, e.g. methanol, urea or with processes for power generation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6803775.A NL156686B (nl) | 1968-03-16 | 1968-03-16 | Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE729862A true BE729862A (xx) | 1969-09-15 |
Family
ID=19803056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE729862D BE729862A (xx) | 1968-03-16 | 1969-03-14 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3674847A (xx) |
AT (1) | AT288417B (xx) |
BE (1) | BE729862A (xx) |
CH (1) | CH530379A (xx) |
DE (1) | DE1913121B2 (xx) |
FR (1) | FR2004068A1 (xx) |
GB (1) | GB1207923A (xx) |
NL (1) | NL156686B (xx) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2049891C3 (de) * | 1969-10-15 | 1975-04-24 | Snam Progetti S.P.A., Mailand (Italien) | Verfahren zur Verbesserung der Ammoniumcarbamat-Zersetzung bei der Herstellung von Harnstoff |
US3984469A (en) * | 1969-10-16 | 1976-10-05 | Snam Progetti S.P.A. | Process for the production of urea |
US4013718A (en) * | 1970-09-03 | 1977-03-22 | Snam Progetti S.P.A. | Integrated process for the production of urea |
IT1014987B (it) * | 1974-06-12 | 1977-04-30 | Snam Progetti | Procedimento integrato urea am moniaca |
IT1065422B (it) * | 1976-12-23 | 1985-02-25 | Snam Progetti | Processo ammoniaca-urea integrato per la produzione di urea |
US4235816A (en) * | 1979-03-08 | 1980-11-25 | Snamprogetti S.P.A. | Integrated ammonia-urea process |
JPS56128749A (en) * | 1980-03-13 | 1981-10-08 | Mitsui Toatsu Chem Inc | Stripping of unreacted material in urea preparation process |
JPS61109760A (ja) * | 1984-11-02 | 1986-05-28 | Toyo Eng Corp | 尿素製造法 |
US4869887A (en) * | 1987-10-30 | 1989-09-26 | Dijk Christiaan P Van | Integrated ammonia-urea process |
US4988491A (en) * | 1989-04-11 | 1991-01-29 | Christiaan Van Dijk | Flexible integration of the production of ammonia and urea |
DE102016203277A1 (de) | 2016-02-29 | 2017-08-31 | Thyssenkrupp Ag | Integrierte Synthese von Ammoniak und Harnstoff |
EP3366645A1 (en) * | 2017-02-28 | 2018-08-29 | Casale Sa | Ammonia-urea integrated process and plant |
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 (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1487249A (fr) * | 1966-04-05 | 1967-06-30 | Inventa Ag | Procédé de fabrication de l'urée à partir de l'ammoniac et de l'anhydride carbonique |
CH468356A (de) * | 1966-04-05 | 1969-02-15 | Inventa Ag | Verfahren zur Aufarbeitung des bei der Synthese von Harnstoff aus Ammoniak und Kohlendioxyd in einem Synthesereaktor bei erhöhtem Druck und erhöhter Temperatur erhaltenen Synthesegemisches |
FR1543872A (fr) * | 1966-11-11 | 1968-10-25 | Humphreys & Glasgow Ltd | Procédé de fabrication d'urée |
-
1968
- 1968-03-16 NL NL6803775.A patent/NL156686B/xx not_active IP Right Cessation
-
1969
- 1969-03-11 GB GB02737/69A patent/GB1207923A/en not_active Expired
- 1969-03-14 BE BE729862D patent/BE729862A/xx not_active IP Right Cessation
- 1969-03-14 AT AT252869A patent/AT288417B/de not_active IP Right Cessation
- 1969-03-14 DE DE19691913121 patent/DE1913121B2/de not_active Withdrawn
- 1969-03-14 FR FR6907385A patent/FR2004068A1/fr not_active Withdrawn
- 1969-03-14 CH CH390169A patent/CH530379A/de not_active IP Right Cessation
- 1969-03-17 US US807749A patent/US3674847A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CH530379A (de) | 1972-11-15 |
US3674847A (en) | 1972-07-04 |
AT288417B (de) | 1971-03-10 |
FR2004068A1 (xx) | 1969-11-21 |
DE1913121A1 (de) | 1969-10-23 |
NL156686B (nl) | 1978-05-16 |
GB1207923A (en) | 1970-10-07 |
DE1913121B2 (de) | 1978-01-19 |
NL6803775A (xx) | 1969-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: STAMICARBON N.V. Effective date: 19840314 |