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Silica–titania modified by impregnation of niobium oxide and phosphoric acid (P/Nb/Ti–Si) possesses both oxidative active site and Brønsted acid. Results of the catalytic evaluation in consecutive transformation of 1-octene to 1,2-octanediol through formation of 1,2-epoxyoctane suggested that Nb 2 O 5 was a more important oxidative active site compared to tetrahedral Ti species. Besides,...
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