Catalytic oxidation of benzene over CuO/Ce(1-x)Mn(x)O(2) catalysts

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题名:	Catalytic oxidation of benzene over CuO/Ce(1-x)Mn(x)O(2) catalysts
作者:	Li,TY;Chiang,SJ;Liaw,BJ;Chen,YZ
贡献者:	化學工程與材料工程學系
关键词:	VOLATILE ORGANIC-COMPOUNDS;MNOX-CEO2 MIXED-OXIDE;SELECTIVE OXIDATION;EXCESS HYDROGEN;CARBON-MONOXIDE;CALCINATION TEMPERATURE;AROMATIC-HYDROCARBONS;CUO-CEO2 CATALYSTS;COMBUSTION METHOD;MANGANESE OXIDES
日期:	2011
上传时间:	2012-03-27 16:26:39 (UTC+8)
出版者:	國立中央大學
摘要:	Ce(1-x)Mn(x)O(2) (x=0.1-0.6) mixed oxides were used as supports for preparing 7%CuO/Ce(1-x)Mn(x)O(2) catalysts by impregnation, for use in the total oxidation of benzene. At x=0.1 and 0.2, most of manganese was fixed in the fluorite structure of CeO(2) to form a solid solution. When x exceeds 0.3, some of the manganese appeared as well dispersed MnO(x). The redox interaction between CuO and Ce(0.7)Mn(0.3)O(2) facilitated the activation of surface oxygen for the oxidation of benzene. The defective sites of oxygen on the dispersed MnO(x) also enhanced the adsorption and oxidation of benzene. 7%CuO/Ce(0.7)Mn(0.3)O(2) catalyst was a good candidate for replacing noble metal catalysts for the removal of benzene in low concentrations at low temperature. (C) 2011 Elsevier By. All rights reserved.
關聯:	APPLIED CATALYSIS B-ENVIRONMENTAL
显示于类别:	[化學工程與材料工程學系 ] 期刊論文

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