Characterization and catalytic activity of Pd/Vb>2b>Ob>5b>/Alb>2b>Ob>3b> catalysts on benzene total oxidation

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• 作者：Ferreira ; R.S.G. ; de Oliveira ; P.G.P. ; Noronha ; F.B.
• 关键词：Benzene oxidation ; Pd/Vb>2b>Ob>5b>/Alb>2b>Ob>3b> catalysts ; VOC removal
• 刊名：Applied Catalysis B ; Environmental
• 出版年：2004
• 期刊代码：4_09263373
• 类别：ce
• 出版时间：July 15, 2004
• 卷：50
• 期：4
• 页码：243-249
• 文件大小：131 K

摘要

The role of vanadium oxide and palladium on the benzene oxidation reaction over Pd/Vb>2b>Ob>5b>/Alb>2b>Ob>3b> catalysts was investigated. The Pd/Vb>2b>Ob>5b>/Alb>2b>Ob>3b> catalysts were more active than Vb>2b>Ob>5b>/Alb>2b>Ob>3b> and Pd/Alb>2b>Ob>3b> catalysts. The increase of vanadium oxide content decreased the Pd dispersion and increased the benzene conversion. A strong Pd particle size effect on benzene oxidation reaction was observed. Although the catalysts containing high amount of V⁴⁺ species were more active, the Pd particle size effect was responsible for the higher activity.