Catalytic Conversion of Glucose on Al–Zr Mixed Oxides in Hot Compressed Water

A series of Al–Zr mixed oxides with different molar ratios was prepared by coprecipitation method and characterized by N2 physiorption, XRD, NH3-TPD and CO2-TPD. Solid solution is formed in the mixed oxides. And the composition of the mixed oxides has significant influence on their acid–base properties. The catalysts were examined with glucose reaction in hot compressed water at 180 °C. The prepared oxides exhibit very good catalytic activity and glucose conversion can be increased from 46.6 to 85%. The products distribution is related with the acid–base property of the oxide.