DD131841A5 - Verfahren zur verbesserung der wirksamkeit von gebrauchten silber-traegerkatalysatoren - Google Patents
Verfahren zur verbesserung der wirksamkeit von gebrauchten silber-traegerkatalysatorenInfo
- Publication number
- DD131841A5 DD131841A5 DD7700200554A DD20055477A DD131841A5 DD 131841 A5 DD131841 A5 DD 131841A5 DD 7700200554 A DD7700200554 A DD 7700200554A DD 20055477 A DD20055477 A DD 20055477A DD 131841 A5 DD131841 A5 DD 131841A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- effectiveness
- improving
- used silver
- carrier catalysts
- silver carrier
- Prior art date
Links
Classifications
-
- 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
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/66—Silver or gold
-
- 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
-
- 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
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2636680A DE2636680C3 (de) | 1976-08-14 | 1976-08-14 | Verfahren zur Verbesserung der Wirksamkeit von Silber-Trägerkatalysatoren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD131841A5 true DD131841A5 (de) | 1978-07-26 |
Family
ID=5985473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD7700200554A DD131841A5 (de) | 1976-08-14 | 1977-08-12 | Verfahren zur verbesserung der wirksamkeit von gebrauchten silber-traegerkatalysatoren |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4123385A (it) |
| JP (1) | JPS5926338B2 (it) |
| AU (1) | AU511144B2 (it) |
| BE (1) | BE857824A (it) |
| BR (1) | BR7705359A (it) |
| CA (1) | CA1103651A (it) |
| DD (1) | DD131841A5 (it) |
| DE (1) | DE2636680C3 (it) |
| ES (1) | ES461441A1 (it) |
| FR (1) | FR2361155A1 (it) |
| GB (1) | GB1556115A (it) |
| IT (1) | IT1083946B (it) |
| NL (1) | NL7708778A (it) |
| PL (1) | PL200192A1 (it) |
| RO (1) | RO73097A (it) |
| SE (1) | SE435139B (it) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2916887A1 (de) * | 1979-04-26 | 1980-11-06 | Huels Chemische Werke Ag | Verfahren zum aktivieren oder reaktivieren von silber-traeger-katalysatoren |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2740480B2 (de) * | 1977-09-08 | 1979-07-05 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Verbesserung der Wirksamkeit von Silber-Trägerkatalysatoren |
| DE2861030D1 (en) * | 1977-11-19 | 1981-11-26 | Basf Ag | Process for preparing an ethylene oxide catalyst |
| 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 |
| US4224194A (en) * | 1979-02-26 | 1980-09-23 | Texaco Development Corp. | Process for preparing an ethylene oxide catalyst |
| US4248741A (en) * | 1979-05-29 | 1981-02-03 | The Dow Chemical Company | Method of making catalysts for the production of ethylene oxide |
| DE2938245A1 (de) * | 1979-09-21 | 1981-04-09 | Hoechst Ag, 6000 Frankfurt | Verfahren zur verbesserung der wirksamkeit von silber-traegerkatalysatoren |
| SE8203955L (sv) * | 1981-07-17 | 1983-01-18 | Northern Petro Chem Co | Forfarande for avlegsnande av kalium fran anvenda etenoxidkatalysatorer? |
| US4760042A (en) * | 1982-03-24 | 1988-07-26 | Scientific Design Company, Inc. | Process for preparing an alkali metal-promoted silver catalyst |
| US4774222A (en) * | 1982-06-16 | 1988-09-27 | Scientific Design Company, Inc. | Catalyst for oxidation of ethylene to ethylene oxide and process for preparing the catalyst |
| DE3229541A1 (de) * | 1982-08-07 | 1984-02-09 | Hoechst Ag, 6230 Frankfurt | Verfahren zur verbesserung der wirksamkeit von gebrauchten silber-traegerkatalysatoren |
| US4575494A (en) * | 1984-02-08 | 1986-03-11 | The Dow Chemical Company | Alumina compositions useful as catalyst supports for ethylene oxidation |
| JPS60216844A (ja) * | 1984-04-13 | 1985-10-30 | Nippon Shokubai Kagaku Kogyo Co Ltd | エチレンオキシド製造用銀触媒 |
| DE3426699A1 (de) * | 1984-07-20 | 1986-01-23 | Hoechst Ag, 6230 Frankfurt | Verfahren zur verbesserung der wirksamkeit von silbertraegerkatalysatoren |
| GB8611121D0 (en) * | 1986-05-07 | 1986-06-11 | Shell Int Research | Silver catalyst |
| US4908343A (en) * | 1987-02-20 | 1990-03-13 | Union Carbide Chemicals And Plastics Company Inc. | Catalyst composition for oxidation of ethylene to ethylene oxide |
| DE3905578A1 (de) * | 1989-02-23 | 1990-08-30 | Basf Ag | Verfahren zur herstellung eines silberkatalysators |
| US5008413A (en) * | 1989-10-23 | 1991-04-16 | Scientific Design Company, Inc. | Catalyst for oxidation of ethylene to ethylene oxide |
| US5102848A (en) * | 1990-09-28 | 1992-04-07 | Union Carbide Chemicals & Plastics Technology Corporation | Catalyst composition for oxidation of ethylene to ethylene oxide |
| US5112795A (en) * | 1990-10-12 | 1992-05-12 | Union Carbide Chemicals & Plastics Technology Corporation | Supported silver catalyst, and processes for making and using same |
| FR2851246A1 (fr) * | 2003-02-14 | 2004-08-20 | Bp Lavera Snc | Procede de fabrication d'oxyde d'ethylene |
| US7977274B2 (en) * | 2006-09-29 | 2011-07-12 | Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg | Catalyst with bimodal pore size distribution and the use thereof |
| US7932408B2 (en) | 2006-09-29 | 2011-04-26 | Scientific Design Company, Inc. | Catalyst with bimodal pore size distribution and the use thereof |
| EP2162446B8 (en) * | 2007-05-11 | 2016-06-01 | SD Lizenzverwertungsgesellschaft mbH & Co. KG | Start-up of high selectivity catalysts in olefin oxide plants |
| US7507845B1 (en) | 2007-08-27 | 2009-03-24 | Sd Lizenzverwertungsgesellschaft Mbh & Co Kg | Process for production of an olefin oxide |
| US8871959B2 (en) | 2008-10-08 | 2014-10-28 | Basf Se | Method for producing an alkylene oxide |
| US9115104B2 (en) | 2009-01-27 | 2015-08-25 | Scientific Design Company, Inc. | Ethylene oxide catalyst with optimized cesium content |
| ES2760098T3 (es) * | 2015-08-28 | 2020-05-13 | Lyondell Chemical Tech Lp | Catalizadores de epoxidación |
| US11931725B2 (en) | 2022-07-19 | 2024-03-19 | Scientific Design Company, Inc. | Ethylene oxide high selectivity catalyst conditioning process |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2831870A (en) * | 1956-05-07 | 1958-04-22 | Allied Chem & Dye Corp | Production of ethylene oxide |
| US3121099A (en) * | 1960-03-04 | 1964-02-11 | Montedison Spa | Process for the oxidation of olefins on silver catalyst graduated selectivity |
| GB1491447A (en) * | 1973-12-05 | 1977-11-09 | Ici Ltd | Alkylene oxide production and catalysts therefor |
| CA1026763A (en) * | 1974-05-20 | 1978-02-21 | Robert P. Nielsen | Silver catalysts used in ethylene oxide production |
| ES447348A1 (es) * | 1975-05-02 | 1977-07-01 | Hoechst Ag | Procedimiento para la reactivacion de catalizadores de platausados para obtener oxido de etileno de acuerdo con el pro- cedimiento de oxidacion directa. |
-
1976
- 1976-08-14 DE DE2636680A patent/DE2636680C3/de not_active Expired
-
1977
- 1977-08-08 ES ES461441A patent/ES461441A1/es not_active Expired
- 1977-08-09 NL NL7708778A patent/NL7708778A/xx not_active Application Discontinuation
- 1977-08-09 US US05/823,032 patent/US4123385A/en not_active Expired - Lifetime
- 1977-08-11 PL PL20019277A patent/PL200192A1/xx unknown
- 1977-08-12 SE SE7709149A patent/SE435139B/xx not_active IP Right Cessation
- 1977-08-12 CA CA284,612A patent/CA1103651A/en not_active Expired
- 1977-08-12 GB GB33925/77A patent/GB1556115A/en not_active Expired
- 1977-08-12 RO RO7791351A patent/RO73097A/ro unknown
- 1977-08-12 JP JP52096189A patent/JPS5926338B2/ja not_active Expired
- 1977-08-12 BR BR7705359A patent/BR7705359A/pt unknown
- 1977-08-12 DD DD7700200554A patent/DD131841A5/xx unknown
- 1977-08-12 IT IT26715/77A patent/IT1083946B/it active
- 1977-08-15 AU AU27898/77A patent/AU511144B2/en not_active Expired
- 1977-08-16 FR FR7725011A patent/FR2361155A1/fr active Granted
- 1977-08-16 BE BE180204A patent/BE857824A/xx not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2916887A1 (de) * | 1979-04-26 | 1980-11-06 | Huels Chemische Werke Ag | Verfahren zum aktivieren oder reaktivieren von silber-traeger-katalysatoren |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2361155A1 (fr) | 1978-03-10 |
| DE2636680A1 (de) | 1978-04-27 |
| BR7705359A (pt) | 1978-06-06 |
| AU511144B2 (en) | 1980-07-31 |
| DE2636680C3 (de) | 1979-04-05 |
| FR2361155B1 (it) | 1981-08-28 |
| AU2789877A (en) | 1979-02-22 |
| RO73097A (ro) | 1982-05-10 |
| GB1556115A (en) | 1979-11-21 |
| BE857824A (fr) | 1978-02-16 |
| NL7708778A (nl) | 1978-02-16 |
| CA1103651A (en) | 1981-06-23 |
| US4123385A (en) | 1978-10-31 |
| JPS5322893A (en) | 1978-03-02 |
| DE2636680B2 (de) | 1978-08-03 |
| JPS5926338B2 (ja) | 1984-06-26 |
| SE7709149L (sv) | 1978-02-15 |
| IT1083946B (it) | 1985-05-25 |
| ES461441A1 (es) | 1978-12-01 |
| PL200192A1 (pl) | 1978-04-10 |
| SE435139B (sv) | 1984-09-10 |
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