ZA762463B - Process for reactivating silver catalysts used in the manufacture of ethylene oxide by direct oxidation - Google Patents
Process for reactivating silver catalysts used in the manufacture of ethylene oxide by direct oxidationInfo
- Publication number
- ZA762463B ZA762463B ZA762463A ZA762463A ZA762463B ZA 762463 B ZA762463 B ZA 762463B ZA 762463 A ZA762463 A ZA 762463A ZA 762463 A ZA762463 A ZA 762463A ZA 762463 B ZA762463 B ZA 762463B
- Authority
- ZA
- South Africa
- Prior art keywords
- reactivating
- manufacture
- ethylene oxide
- catalysts used
- direct oxidation
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
- B01J38/485—Impregnating or reimpregnating with, or deposition of metal compounds or catalytically active elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—Regeneration or reactivation
- B01J23/96—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the noble metals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
- C07D301/04—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
- C07D301/08—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase
- C07D301/10—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase with catalysts containing silver or gold
-
- 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
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752519599 DE2519599C2 (de) | 1975-05-02 | 1975-05-02 | Verfahren zum reaktivieren von gebrauchten silber-traegerkatalysatoren |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA762463B true ZA762463B (en) | 1977-04-27 |
Family
ID=5945588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA762463A ZA762463B (en) | 1975-05-02 | 1976-04-26 | Process for reactivating silver catalysts used in the manufacture of ethylene oxide by direct oxidation |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE841408A (xx) |
DE (1) | DE2519599C2 (xx) |
SU (1) | SU643071A3 (xx) |
ZA (1) | ZA762463B (xx) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1569974A (en) * | 1976-03-05 | 1980-06-25 | Ici Ltd | Restoration of selectivity to catalysts used in the production of olefine oxides |
GB1575810A (en) | 1976-10-21 | 1980-10-01 | Shell Int Research | Process for the performance of silver catalysts |
DE2649359C3 (de) * | 1976-10-29 | 1979-07-26 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Verbesserung der Wirksamkeit von gebrauchten Silber-Trägerkatalysatoren |
DE2861030D1 (en) | 1977-11-19 | 1981-11-26 | Basf Ag | Process for preparing an ethylene oxide catalyst |
DE2940480A1 (de) * | 1978-10-05 | 1980-04-17 | Mitsui Toatsu Chemicals | Verfahren zur reaktivierung von silberkatalysatoren, die bei der herstellung von aethylenoxid durch direkte katalytische gasphasenoxidation von aethylen verwendet worden sind |
DE2904919A1 (de) * | 1979-02-09 | 1980-08-21 | Basf Ag | Verfahren zur herstellung und regenerierung von traegerkatalysatoren sowie deren verwendung fuer die herstellung von aethylenoxid |
DE2916887C2 (de) * | 1979-04-26 | 1981-12-17 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zum Aktivieren oder Reaktivieren von Silber-Träger-Katalysatoren |
DE2936036A1 (de) * | 1979-09-06 | 1981-04-02 | EC Erdölchemie GmbH, 5000 Köln | Verfahren zur herstellung von ethylenoxid |
ES2391809T3 (es) * | 2008-10-08 | 2012-11-30 | Basf Se | Método para producir óxidos de alquileno |
-
1975
- 1975-05-02 DE DE19752519599 patent/DE2519599C2/de not_active Expired
-
1976
- 1976-04-26 ZA ZA762463A patent/ZA762463B/xx unknown
- 1976-04-30 SU SU762352254A patent/SU643071A3/ru active
- 1976-05-03 BE BE166685A patent/BE841408A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SU643071A3 (ru) | 1979-01-15 |
DE2519599B1 (de) | 1976-07-01 |
DE2519599C2 (de) | 1977-02-17 |
BE841408A (fr) | 1976-11-03 |
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