| 摘要 |
A NOVEL CATALYST COMPOSITE IS DISCLOSED. ALSO DISCLOSED IS A USE FOR THE NOVEL COMPOSITE. THE CATALYST COMPOSITE COMPRISES A GROUP VIII NOBLE METAL COMPONENT, A GROUP IA OR IIA METAL COMPONENTS, AND A COMPONENT SELECTED FROM THE GROUP CONSISTING OF TIN, GERMANIUM, LEAD, INDIUM, GALLIUM, THALLIUM, OR MIXTURES THEREOF, ALL ON AN ALUMINA SUPPORT COMPRISING ESSENTIALLY THETA-ALUMINA, HAVING A SURFACE AREA FROM 50 TO 120 m²/g, AN APPARENT BULK DENSITY OF AT 0.5g/cm3 AND A MOLE RATIO OF THE GROUP VIII NOBLE METAL COMPONENT TO THE COMPONENT SELECTED FROM THE GROUP CONSISTING OF TIN, GERMANIUM, LEAD, INDIUM, GALLIUM, THALLIUM OR MIXTURES THEREOF IN THE RANGE FROM 1.5 TO 1.7.(FIG 1) |
