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This paper describes the activity of Pt catalysts supported on metal-oxides (TiO2, ZrO2 and Al2O3) for the reduction reaction of selenate with hydrazine monohydrate in aqueous solution. The Pt/TiO2 catalyst exhibited superior performance in the reduction reaction of selenate with hydrazine monohydrate, compared with the Pt/ZrO2 and Pt/Al2O3 catalysts. The deactivation of Pt/TiO2 catalyst was attributed...
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