Abstract

The effect of supports on oxidation of benzene to phenol with hydrogen peroxide as an oxidant was tested by using supported FeCl3 as catalysts. Their activities were affected by acid-base properties of supports. Silica gel which gave strong acid site near the active site had the highest activity among the investigated supports. Several kinds of silica gel which had different pore sizes were used. The maximum activity was obtained at the pore size of 3.5 nm and the reason was discussed.

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