NL179980C - Werkwijze voor het heractiveren van gebruikte zilver-op-dragerkatalysatoren voor de oxydatie van etheen tot ethyleenoxyde. - Google Patents
Werkwijze voor het heractiveren van gebruikte zilver-op-dragerkatalysatoren voor de oxydatie van etheen tot ethyleenoxyde.Info
- Publication number
- NL179980C NL179980C NLAANVRAGE7711653,A NL7711653A NL179980C NL 179980 C NL179980 C NL 179980C NL 7711653 A NL7711653 A NL 7711653A NL 179980 C NL179980 C NL 179980C
- Authority
- NL
- Netherlands
- Prior art keywords
- oxydation
- ethene
- ethylene oxide
- used silver
- carrier catalysts
- 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 (3)
Publication Number | Publication Date |
---|---|
NL7711653A NL7711653A (nl) | 1978-05-03 |
NL179980B NL179980B (nl) | 1986-07-16 |
NL179980C true NL179980C (nl) | 1986-12-16 |
Family
ID=5991887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7711653,A NL179980C (nl) | 1976-10-29 | 1977-10-24 | Werkwijze voor het heractiveren van gebruikte zilver-op-dragerkatalysatoren voor de oxydatie van etheen tot ethyleenoxyde. |
Country Status (13)
Country | Link |
---|---|
US (1) | US4177169A (it) |
JP (1) | JPS5944898B2 (it) |
AU (1) | AU510768B2 (it) |
BE (1) | BE860353A (it) |
BR (1) | BR7707210A (it) |
CA (1) | CA1093056A (it) |
DE (1) | DE2649359C3 (it) |
ES (1) | ES463432A1 (it) |
FR (1) | FR2369275A1 (it) |
GB (1) | GB1577438A (it) |
IT (1) | IT1088157B (it) |
NL (1) | NL179980C (it) |
SE (1) | SE434804B (it) |
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 |
EP0730903A4 (en) * | 1993-11-23 | 1997-03-25 | Boreskova Inst Kataliza Sibir | POROUS ACTIVE SUBSTANCE |
CN102177145B (zh) | 2008-10-08 | 2014-07-30 | 巴斯夫欧洲公司 | 生产烯化氧的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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. |
DE2519599C2 (de) * | 1975-05-02 | 1977-02-17 | Hoechst Ag | Verfahren zum reaktivieren von gebrauchten silber-traegerkatalysatoren |
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 SE SE7712150A patent/SE434804B/xx not_active IP Right Cessation
- 1977-10-27 BR BR7707210A patent/BR7707210A/pt unknown
- 1977-10-27 IT IT29067/77A patent/IT1088157B/it active
- 1977-10-28 FR FR7732629A patent/FR2369275A1/fr active Granted
- 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 AU AU30140/77A patent/AU510768B2/en not_active Expired
- 1977-10-28 JP JP52128822A patent/JPS5944898B2/ja not_active Expired
- 1977-10-31 BE BE182243A patent/BE860353A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BR7707210A (pt) | 1978-07-25 |
FR2369275A1 (fr) | 1978-05-26 |
NL179980B (nl) | 1986-07-16 |
US4177169A (en) | 1979-12-04 |
AU510768B2 (en) | 1980-07-10 |
JPS5944898B2 (ja) | 1984-11-01 |
SE434804B (sv) | 1984-08-20 |
BE860353A (fr) | 1978-05-02 |
DE2649359A1 (de) | 1978-05-03 |
JPS5388682A (en) | 1978-08-04 |
GB1577438A (en) | 1980-10-22 |
DE2649359B2 (it) | 1978-11-30 |
ES463432A1 (es) | 1978-07-01 |
DE2649359C3 (de) | 1979-07-26 |
AU3014077A (en) | 1979-05-03 |
IT1088157B (it) | 1985-06-10 |
CA1093056A (en) | 1981-01-06 |
FR2369275B1 (it) | 1982-05-28 |
NL7711653A (nl) | 1978-05-03 |
SE7712150L (sv) | 1978-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |