Catalyst for partial oxidation of olefin, preparation method thereof, and process for preparing alkylene oxide
First Claim
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1. A catalyst for partial oxidation of olefin which comprises silver or silver oxide and an alkali metal or a compound thereof supported on an α
- -alumina carrier containing silicon or a compound thereof, wherein the silicon or the compound thereof exists at a position substantially identical to that of a particle of the alkali metal or the compound thereof, wherein a localization frequency of the alkali metal or the compound thereof relative to the silicon or the compound thereof is 60% to 99.9%.
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Abstract
A catalyst for partial oxidation of olefin, which comprises silver or silver oxide and an alkali metal or a compound thereof supported on an α-alumina carrier containing silicon or a compound thereof, wherein the silicon or the compound thereof exists at a position substantially identical to that of a particle of the alkali metal or the compound thereof, a preparation method thereof, and a process for preparing olefin oxide which comprises subjecting olefin to vapor-phase oxidation with a molecular oxygen-containing gas in the presence of the catalyst.
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Citations
26 Claims
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1. A catalyst for partial oxidation of olefin which comprises silver or silver oxide and an alkali metal or a compound thereof supported on an α
- -alumina carrier containing silicon or a compound thereof, wherein the silicon or the compound thereof exists at a position substantially identical to that of a particle of the alkali metal or the compound thereof, wherein a localization frequency of the alkali metal or the compound thereof relative to the silicon or the compound thereof is 60% to 99.9%.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
Specification