| 摘要 |
PROBLEM TO BE SOLVED: To provide a catalyst for producing ethylene oxide having a more excellent catalyst performance for producing olefin oxide by vapor-phase oxidization of olefin with molecular oxygen-containing gas for the olefin.SOLUTION: A catalyst for partial oxidation of olefin is the catalyst comprising 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 the position of a particle of the alkali metal or the compound thereof. In the catalyst for partial oxidation of olefin, content of the silicon or the compound thereof converted to as SiOis 0.1 to 5 mass% relative to α-alumina, and the supported amounts of the alkali metal or the compound thereof ( converted to as MO, wherein M is an alkali metal) and of the silver are 0.01 to 5 mass% and 1 to 30 mass%, respectively, relative to α-alumina. |
