IE36682B1 - A method of activating silver catalysts - Google Patents
A method of activating silver catalystsInfo
- Publication number
- IE36682B1 IE36682B1 IE237/72A IE23772A IE36682B1 IE 36682 B1 IE36682 B1 IE 36682B1 IE 237/72 A IE237/72 A IE 237/72A IE 23772 A IE23772 A IE 23772A IE 36682 B1 IE36682 B1 IE 36682B1
- Authority
- IE
- Ireland
- Prior art keywords
- silver catalysts
- activating
- activating silver
- silver
- catalysts
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title abstract 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052709 silver Inorganic materials 0.000 title abstract 3
- 239000004332 silver Substances 0.000 title abstract 3
- 230000003213 activating effect Effects 0.000 title abstract 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
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
- 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
- B01J23/48—Silver or gold
- B01J23/50—Silver
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Epoxy Compounds (AREA)
Abstract
1369640 Activating silver oxidation catalysts SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NV 28 Feb 1972 [1 March 1971] 9005/72 Addition to 1369639 Heading B1E [Also in Division C2] Silver catalysts according to Specification 1369639 are activated by heating at 175-300‹C for 2-24 hours, contacting with anhydrous methanol and/or ethanol and recovering the catalyst.
[GB1369640A]
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11982971A | 1971-03-01 | 1971-03-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE36682L IE36682L (en) | 1972-09-01 |
| IE36682B1 true IE36682B1 (en) | 1977-02-02 |
Family
ID=22386638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE237/72A IE36682B1 (en) | 1971-03-01 | 1972-02-28 | A method of activating silver catalysts |
Country Status (21)
| Country | Link |
|---|---|
| JP (1) | JPS5944097B1 (en) |
| AT (1) | AT340371B (en) |
| AU (1) | AU459421B2 (en) |
| BE (1) | BE779699R (en) |
| BR (1) | BR7201114D0 (en) |
| CA (1) | CA992975A (en) |
| CH (1) | CH603237A5 (en) |
| CS (1) | CS191202B2 (en) |
| DD (1) | DD108464A6 (en) |
| DE (1) | DE2209392A1 (en) |
| ES (1) | ES400237A2 (en) |
| FR (1) | FR2128378B2 (en) |
| GB (1) | GB1369640A (en) |
| IE (1) | IE36682B1 (en) |
| IT (1) | IT1009508B (en) |
| NL (1) | NL7202481A (en) |
| NO (1) | NO135622C (en) |
| PL (1) | PL83211B1 (en) |
| RO (1) | RO61333A7 (en) |
| SE (1) | SE380982B (en) |
| ZA (1) | ZA721318B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES447348A1 (en) * | 1975-05-02 | 1977-07-01 | Hoechst Ag | Process for reactivating silver catalysts used in the manufacture of ethylene oxide by direct oxidation |
| DE2740480B2 (en) * | 1977-09-08 | 1979-07-05 | Hoechst Ag, 6000 Frankfurt | Process for improving the effectiveness of supported silver catalysts |
| US5387751A (en) * | 1978-02-10 | 1995-02-07 | Imperial Chemical Industries Plc | Production of olefine oxides |
| DE2904919A1 (en) * | 1979-02-09 | 1980-08-21 | Basf Ag | METHOD FOR THE PRODUCTION AND REGENERATION OF CARRIER CATALYSTS AND THE USE THEREOF FOR THE PRODUCTION OF AETHYLENE OXIDE |
| US4342667A (en) | 1979-03-26 | 1982-08-03 | The Halcon Sd Group, Inc. | Process for preparing a silver catalyst |
| EP2350033B1 (en) * | 2008-10-08 | 2012-09-19 | Basf Se | Method for producing an alkylene oxide |
-
1972
- 1972-02-23 BE BE779699A patent/BE779699R/en active
- 1972-02-25 NL NL7202481A patent/NL7202481A/xx not_active Application Discontinuation
- 1972-02-28 DD DD161156A patent/DD108464A6/xx unknown
- 1972-02-28 CH CH278972A patent/CH603237A5/xx not_active IP Right Cessation
- 1972-02-28 CA CA135,735A patent/CA992975A/en not_active Expired
- 1972-02-28 RO RO69910A patent/RO61333A7/ro unknown
- 1972-02-28 DE DE19722209392 patent/DE2209392A1/en not_active Withdrawn
- 1972-02-28 JP JP47019753A patent/JPS5944097B1/ja active Granted
- 1972-02-28 PL PL1972153752A patent/PL83211B1/xx unknown
- 1972-02-28 NO NO603/72A patent/NO135622C/no unknown
- 1972-02-28 IT IT21140/72A patent/IT1009508B/en active
- 1972-02-28 ZA ZA721318A patent/ZA721318B/en unknown
- 1972-02-28 ES ES400237A patent/ES400237A2/en not_active Expired
- 1972-02-28 FR FR7206689A patent/FR2128378B2/fr not_active Expired
- 1972-02-28 AU AU39433/72A patent/AU459421B2/en not_active Expired
- 1972-02-28 IE IE237/72A patent/IE36682B1/en unknown
- 1972-02-28 AT AT159272A patent/AT340371B/en not_active IP Right Cessation
- 1972-02-28 CS CS721266A patent/CS191202B2/en unknown
- 1972-02-28 GB GB900572A patent/GB1369640A/en not_active Expired
- 1972-02-28 SE SE7202459A patent/SE380982B/en unknown
- 1972-02-28 BR BR1114/72A patent/BR7201114D0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATA159272A (en) | 1977-04-15 |
| AU3943372A (en) | 1973-08-30 |
| FR2128378A2 (en) | 1972-10-20 |
| BE779699R (en) | 1972-08-23 |
| NO135622B (en) | 1977-01-24 |
| CA992975A (en) | 1976-07-13 |
| SE380982B (en) | 1975-11-24 |
| GB1369640A (en) | 1974-10-09 |
| NO135622C (en) | 1977-05-04 |
| DD108464A6 (en) | 1974-09-20 |
| ZA721318B (en) | 1972-11-29 |
| JPS5944097B1 (en) | 1984-10-26 |
| DE2209392A1 (en) | 1972-11-23 |
| FR2128378B2 (en) | 1977-07-22 |
| IE36682L (en) | 1972-09-01 |
| ES400237A2 (en) | 1977-07-01 |
| PL83211B1 (en) | 1975-12-31 |
| RO61333A7 (en) | 1976-09-15 |
| BR7201114D0 (en) | 1973-06-14 |
| AU459421B2 (en) | 1975-03-07 |
| NL7202481A (en) | 1972-09-05 |
| CS191202B2 (en) | 1979-06-29 |
| AT340371B (en) | 1977-12-12 |
| CH603237A5 (en) | 1978-08-15 |
| IT1009508B (en) | 1976-12-20 |
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