NOBLE METAL-SUPPORTED MATERIAL AND USE THEREOF
PROBLEM TO BE SOLVED: To provide a new catalyst or the like by which a high generation amount of olefin oxide can be provided by using together with a titanosilicate-containing catalyst in the reaction for producing propylene oxide form oxygen, hydrogen and propylene.SOLUTION: There is provided a no...
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| creator | YONEMOTO TETSUO KAWABATA TOMONORI KUMAZAWA MITSUAKI |
| description | PROBLEM TO BE SOLVED: To provide a new catalyst or the like by which a high generation amount of olefin oxide can be provided by using together with a titanosilicate-containing catalyst in the reaction for producing propylene oxide form oxygen, hydrogen and propylene.SOLUTION: There is provided a noble metal-supported material which contains noble metals and a carrier as the constituents and is characterized in that the ratio of desorbed hydrogen amount (MH2) to adsorbed carbon monoxide amount (MCO) is in a range of 0.01 to 0.40. Here, "the desorbed hydrogen amount" means a value calculated from the sum of peak area of the desorption component having a maximal value within a range of 50 to 350°C observed according to a temperature-programmed desorption method of a temperature-elevation rate of 10°C/min regarding a sample after pretreatment. Besides, "the adsorbed carbon monoxide amount" means a value measured by a metal surface area-measuring method based on a carbon monoxide-pulsing method regarding the sample after pretreatment. |
| format | Patent |
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Here, "the desorbed hydrogen amount" means a value calculated from the sum of peak area of the desorption component having a maximal value within a range of 50 to 350°C observed according to a temperature-programmed desorption method of a temperature-elevation rate of 10°C/min regarding a sample after pretreatment. 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| subjects | APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | NOBLE METAL-SUPPORTED MATERIAL AND USE THEREOF |
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