Citation: ZHAO Fu-Zhen, ZENG Peng-Hui, JI Sheng-Fu. Preparation, Characterization and CO Catalytic Oxidation Performance of Cu_xCe_1-xO_2-x/SBA-15/Cordierite Monolithic Catalysts[J]. Chinese Journal of Inorganic Chemistry, ;2013, 29(4): 753-759. doi: 10.3969/j.issn.1001-4861.2013.00.122 shu

Preparation, Characterization and CO Catalytic Oxidation Performance of Cu_xCe_1-xO_2-x/SBA-15/Cordierite Monolithic Catalysts

1.
1 State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China;

Received Date: 16 March 2012
Available Online: 26 April 2012
Fund Project: 国家自然科学基金(No.20473009)资助项目。 (No.20473009)

Cu_0.5Ce_0.5O_1.5/SBA-15/cordierite monolithic catalysts with the Cu_0.5Ce_0.5O_1.5 content from 10% to 60% and 50%Cu_xCe_1-xO_2-x/SBA-15/cordierite (x=0~1) monolithic catalysts were prepared using the cordierite as the support and the Cu_xCe_1-xO_2-x/SBA-15 as the catalytic component. The catalysts were characterized using Low Temperature Nitrogen Adsorption-Desorption, XRD, XPS and H₂-TPR. The catalytic activity of the catalysts for the oxidation of CO was evaluated. The results indicate that the mesoporous structure of SBA-15 is retained in the monolithic catalysts. There are the CuO and CeO₂ phases in addition to the cordierite phase. On the surface of the catalyst Cu exists as Cu²⁺ and Cu⁺ species and Ce is as Ce⁴⁺ species. The redox performance of the monolithic catalysts is related with the Cu_0.5Ce_0.5O_1.5 content and the ratio of the Cu and Ce in the Cu_xCe_1-xO_2-x/SBA-15. 50%Cu_0.5Ce_0.5O_1.5/SBA-15/cordierite monolithic catalyst exhibits the best catalytic activity. CO can be completely oxidized at 140℃.
- Cordierite;Monolithic catalysts;Cu_xCe_1-xO_2-x;CO oxidation
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Preparation, Characterization and CO Catalytic Oxidation Performance of CuxCe1-xO2-x/SBA-15/Cordierite Monolithic Catalysts

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通讯作者: 陈斌, bchen63@163.com

Preparation, Characterization and CO Catalytic Oxidation Performance of Cu_xCe_1-xO_2-x/SBA-15/Cordierite Monolithic Catalysts