BR7707210A - Processo para melhorar a atividade dos catalisadores de suporte de prata,destinados a oxidacao direta de etileno formado oxido de etileno,com oxigenio molecular ou ar - Google Patents
Processo para melhorar a atividade dos catalisadores de suporte de prata,destinados a oxidacao direta de etileno formado oxido de etileno,com oxigenio molecular ou arInfo
- Publication number
- BR7707210A BR7707210A BR7707210A BR7707210A BR7707210A BR 7707210 A BR7707210 A BR 7707210A BR 7707210 A BR7707210 A BR 7707210A BR 7707210 A BR7707210 A BR 7707210A BR 7707210 A BR7707210 A BR 7707210A
- Authority
- BR
- Brazil
- Prior art keywords
- activity
- intended
- improve
- air
- molecular oxygen
- 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
- B01J23/38—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
-
- 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
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
-
- 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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Epoxy Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2649359A DE2649359C3 (de) | 1976-10-29 | 1976-10-29 | Verfahren zur Verbesserung der Wirksamkeit von gebrauchten Silber-Trägerkatalysatoren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7707210A true BR7707210A (pt) | 1978-07-25 |
Family
ID=5991887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7707210A BR7707210A (pt) | 1976-10-29 | 1977-10-27 | Processo para melhorar a atividade dos catalisadores de suporte de prata,destinados a oxidacao direta de etileno formado oxido de etileno,com oxigenio molecular ou ar |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4177169A (pt) |
| JP (1) | JPS5944898B2 (pt) |
| AU (1) | AU510768B2 (pt) |
| BE (1) | BE860353A (pt) |
| BR (1) | BR7707210A (pt) |
| CA (1) | CA1093056A (pt) |
| DE (1) | DE2649359C3 (pt) |
| ES (1) | ES463432A1 (pt) |
| FR (1) | FR2369275A1 (pt) |
| GB (1) | GB1577438A (pt) |
| IT (1) | IT1088157B (pt) |
| NL (1) | NL179980C (pt) |
| SE (1) | SE434804B (pt) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5387751A (en) * | 1978-02-10 | 1995-02-07 | Imperial Chemical Industries Plc | Production of olefine oxides |
| DE2936036A1 (de) * | 1979-09-06 | 1981-04-02 | EC Erdölchemie GmbH, 5000 Köln | Verfahren zur herstellung von ethylenoxid |
| US4350616A (en) * | 1980-07-03 | 1982-09-21 | The Dow Chemical Company | Method of making catalysts for the production of ethylene oxide |
| SE8203955L (sv) * | 1981-07-17 | 1983-01-18 | Northern Petro Chem Co | Forfarande for avlegsnande av kalium fran anvenda etenoxidkatalysatorer? |
| US4419276A (en) * | 1981-09-30 | 1983-12-06 | Union Carbide Corporation | Silver catalyst for the manufacture of ethylene oxide and a process for preparing the catalyst |
| US4760042A (en) * | 1982-03-24 | 1988-07-26 | Scientific Design Company, Inc. | Process for preparing an alkali metal-promoted silver catalyst |
| US4406820A (en) * | 1982-04-02 | 1983-09-27 | Internorth, Inc. | Controlled addition of promoters to ethylene oxide catalysts |
| 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 |
| US4864042A (en) * | 1984-05-14 | 1989-09-05 | Scientific Design Company, Inc. | Process for preparing silver catalysts |
| US4663303A (en) * | 1986-02-24 | 1987-05-05 | The Halcon Sd Group, Inc. | Process for preparing silver catalysts |
| US5008413A (en) * | 1989-10-23 | 1991-04-16 | Scientific Design Company, Inc. | Catalyst for oxidation of ethylene to ethylene oxide |
| AU5893294A (en) * | 1993-11-23 | 1995-06-13 | Institut Kataliza Imeni G.K. Boreskova Sibirskogo Otdelenia Rossiiskoi Akademii Nauk | Porous compound substance |
| WO2010040688A1 (de) | 2008-10-08 | 2010-04-15 | Basf Se | Verfahren zur herstellung eines alkylenoxids |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2519599C2 (de) * | 1975-05-02 | 1977-02-17 | Hoechst Ag | Verfahren zum reaktivieren von gebrauchten silber-traegerkatalysatoren |
| 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. |
| GB1574426A (en) * | 1976-03-25 | 1980-09-10 | Shell Int Research | Process for preparing modified silver catalysts |
| FR2362846A1 (fr) * | 1976-08-26 | 1978-03-24 | Naphtachimie Sa | Regeneration des catalyseurs de fabrication d'oxyde d'ethylene |
| DE2740480B2 (de) * | 1977-09-08 | 1979-07-05 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Verbesserung der Wirksamkeit von Silber-Trägerkatalysatoren |
-
1976
- 1976-10-29 DE DE2649359A patent/DE2649359C3/de not_active Expired
-
1977
- 1977-10-21 ES ES463432A patent/ES463432A1/es not_active Expired
- 1977-10-24 NL NLAANVRAGE7711653,A patent/NL179980C/xx not_active IP Right Cessation
- 1977-10-26 US US05/845,563 patent/US4177169A/en not_active Expired - Lifetime
- 1977-10-27 BR BR7707210A patent/BR7707210A/pt unknown
- 1977-10-27 IT IT29067/77A patent/IT1088157B/it active
- 1977-10-27 SE SE7712150A patent/SE434804B/xx not_active IP Right Cessation
- 1977-10-28 AU AU30140/77A patent/AU510768B2/en not_active Expired
- 1977-10-28 CA CA289,761A patent/CA1093056A/en not_active Expired
- 1977-10-28 GB GB45077/77A patent/GB1577438A/en not_active Expired
- 1977-10-28 JP JP52128822A patent/JPS5944898B2/ja not_active Expired
- 1977-10-28 FR FR7732629A patent/FR2369275A1/fr active Granted
- 1977-10-31 BE BE182243A patent/BE860353A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU3014077A (en) | 1979-05-03 |
| NL179980C (nl) | 1986-12-16 |
| AU510768B2 (en) | 1980-07-10 |
| BE860353A (fr) | 1978-05-02 |
| JPS5388682A (en) | 1978-08-04 |
| NL7711653A (nl) | 1978-05-03 |
| IT1088157B (it) | 1985-06-10 |
| NL179980B (nl) | 1986-07-16 |
| DE2649359B2 (pt) | 1978-11-30 |
| FR2369275A1 (fr) | 1978-05-26 |
| US4177169A (en) | 1979-12-04 |
| GB1577438A (en) | 1980-10-22 |
| DE2649359A1 (de) | 1978-05-03 |
| DE2649359C3 (de) | 1979-07-26 |
| JPS5944898B2 (ja) | 1984-11-01 |
| ES463432A1 (es) | 1978-07-01 |
| CA1093056A (en) | 1981-01-06 |
| SE434804B (sv) | 1984-08-20 |
| FR2369275B1 (pt) | 1982-05-28 |
| SE7712150L (sv) | 1978-04-30 |
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