SE8203955D0 - Process for the removal of potassium from used ethylene oxide catalysts - Google Patents
Process for the removal of potassium from used ethylene oxide catalystsInfo
- Publication number
- SE8203955D0 SE8203955D0 SE8203955A SE8203955A SE8203955D0 SE 8203955 D0 SE8203955 D0 SE 8203955D0 SE 8203955 A SE8203955 A SE 8203955A SE 8203955 A SE8203955 A SE 8203955A SE 8203955 D0 SE8203955 D0 SE 8203955D0
- Authority
- SE
- Sweden
- Prior art keywords
- catalyst
- solvent
- ethylene oxide
- alkali metal
- reactor
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title abstract 6
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 title 1
- 229910052700 potassium Inorganic materials 0.000 title 1
- 239000011591 potassium Substances 0.000 title 1
- 239000002904 solvent Substances 0.000 abstract 4
- 229910052783 alkali metal Inorganic materials 0.000 abstract 3
- 150000001340 alkali metals Chemical class 0.000 abstract 3
- 239000012535 impurity Substances 0.000 abstract 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
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
- B01J23/90—Regeneration or reactivation
- B01J23/96—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the noble metals
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28420881A | 1981-07-17 | 1981-07-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8203955D0 true SE8203955D0 (sv) | 1982-06-24 |
| SE8203955L SE8203955L (sv) | 1983-01-18 |
Family
ID=23089301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8203955A SE8203955L (sv) | 1981-07-17 | 1982-06-24 | Forfarande for avlegsnande av kalium fran anvenda etenoxidkatalysatorer? |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5824349A (sv) |
| AU (1) | AU8600482A (sv) |
| DE (1) | DE3226896A1 (sv) |
| ES (1) | ES514036A0 (sv) |
| FR (1) | FR2509630B1 (sv) |
| GB (1) | GB2101495B (sv) |
| IT (1) | IT1157219B (sv) |
| SE (1) | SE8203955L (sv) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4391735A (en) * | 1981-07-17 | 1983-07-05 | Internorth, Inc. | Cleaning and regenerating ethylene oxide catalysts |
| JPS6174545U (sv) * | 1984-10-23 | 1986-05-20 | ||
| JPH0118599Y2 (sv) * | 1985-02-06 | 1989-05-31 | ||
| GB9605175D0 (en) * | 1996-03-12 | 1996-05-15 | Entertainment Uk Ltd | Improvements in or relating to securing apparatus |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2351661A1 (de) * | 1973-10-15 | 1975-04-24 | Huels Chemische Werke Ag | Verfahren zur wiedergewinnung von silberoxid und katalysatortraeger aus inaktiv gewordenen silberkatalysatoren |
| DE2636680C3 (de) * | 1976-08-14 | 1979-04-05 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Verbesserung der Wirksamkeit von Silber-Trägerkatalysatoren |
| DE2649359C3 (de) * | 1976-10-29 | 1979-07-26 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Verbesserung der Wirksamkeit von gebrauchten Silber-Trägerkatalysatoren |
| DE2740480B2 (de) * | 1977-09-08 | 1979-07-05 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Verbesserung der Wirksamkeit von Silber-Trägerkatalysatoren |
| GB1591308A (en) * | 1977-10-25 | 1981-06-17 | Ici Ltd | Regeneration of silver catalysts for the production of olefine oxides |
| GB2014133B (en) * | 1978-02-10 | 1982-09-22 | Ici Ltd | Production of alkylene oxides using a silver catalyst |
| DE2938245A1 (de) * | 1979-09-21 | 1981-04-09 | Hoechst Ag, 6000 Frankfurt | Verfahren zur verbesserung der wirksamkeit von silber-traegerkatalysatoren |
| US4391735A (en) * | 1981-07-17 | 1983-07-05 | Internorth, Inc. | Cleaning and regenerating ethylene oxide catalysts |
-
1982
- 1982-06-24 SE SE8203955A patent/SE8203955L/sv not_active Application Discontinuation
- 1982-06-30 GB GB08218914A patent/GB2101495B/en not_active Expired
- 1982-07-14 AU AU86004/82A patent/AU8600482A/en not_active Abandoned
- 1982-07-15 ES ES514036A patent/ES514036A0/es active Granted
- 1982-07-15 IT IT48818/82A patent/IT1157219B/it active
- 1982-07-16 FR FR8212490A patent/FR2509630B1/fr not_active Expired
- 1982-07-17 JP JP57124989A patent/JPS5824349A/ja active Pending
- 1982-07-17 DE DE19823226896 patent/DE3226896A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| ES8308320A1 (es) | 1983-08-16 |
| DE3226896A1 (de) | 1983-03-03 |
| AU8600482A (en) | 1983-01-20 |
| GB2101495A (en) | 1983-01-19 |
| FR2509630A1 (fr) | 1983-01-21 |
| IT8248818A0 (it) | 1982-07-15 |
| IT1157219B (it) | 1987-02-11 |
| FR2509630B1 (fr) | 1986-12-19 |
| ES514036A0 (es) | 1983-08-16 |
| SE8203955L (sv) | 1983-01-18 |
| JPS5824349A (ja) | 1983-02-14 |
| GB2101495B (en) | 1985-01-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
Ref document number: 8203955-3 Effective date: 19870730 |