Title: Research on the Activity of TiO_2-CeO_2 Catalysts for Wet Air Oxidation of Phenol
Abstract: TiO_2-CeO_2 catalysts for wet air oxidation of phenol were prepared by coprecipitation.The most efficient catalyst of C3∶1 was obtained by measuring the COD removals of phenol in the reaction.At the temperature 150 ℃ and the total pressure 5 MPaoxygen partial pressure of 4.5 MPa,the COD removal reached 71% in 90 minutes.Furthermore,investigations of various catalysts by BET test,XRD,XPS analysis showed that lots of active points,the diverse chemical valence states of cerium in the catalysts and plentiful surface adsorptive oxygen enhanced the activity of catalysts.
Publication Year: 2005
Publication Date: 2005-01-01
Language: en
Type: article
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