Preparation, characterization and catalytic behavior of hierachically porous CuO/α-Fe2O3/SiO2 composite material for CO and o-DCB oxidation

doi:10.1016/S1003-9953(10)60253-8

能源化学(英文) ›› 2011, Vol. 20 ›› Issue (6): 618-622.DOI: 10.1016/S1003-9953(10)60253-8

Preparation, characterization and catalytic behavior of hierachically porous CuO/α-Fe₂O₃/SiO₂ composite material for CO and o-DCB oxidation

Xiaodong Ma*, Xi Feng, Xuan He, Hongwen Guo, Lu Lü

Key Laboratory of Environmental Pollution Process and Standard, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China

收稿日期:2011-04-13 修回日期:2011-08-03 出版日期:2011-11-20 发布日期:2011-11-18
通讯作者: Xiaodong Ma

Preparation, characterization and catalytic behavior of hierachically porous CuO/α-Fe₂O₃/SiO₂ composite material for CO and o-DCB oxidation

Xiaodong Ma*, Xi Feng, Xuan He, Hongwen Guo, Lu Lü

Key Laboratory of Environmental Pollution Process and Standard, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China

Received:2011-04-13 Revised:2011-08-03 Online:2011-11-20 Published:2011-11-18

摘要/Abstract

摘要： Hierachically porous (HP) CuO/α-Fe₂O₃/SiO₂ composite material was fabricated by sol-gel method and multi-hydrothermal processes using HP-SiO₂ as support. The resulting material was characterized by N₂ adsorption-desorption, X-ray diffraction and scanning electron microscopy. The as-prepared CuO/Fe₂O₃/HP-SiO₂ sample, with α-Fe₂O₃ and CuO nanocrystals, possessed a co-continuous skeleton, through-macroporous and mesoporous structure. Its catalytic behavior for CO and o-DCB oxidation was investigated. The result showed that CuO/Fe₂O₃/HP-SiO₂ catalyst exhibited high catalytic activity for both CO and o-DCB oxidation, indicating its potential application in combined abatement of CO and chlorinated volatile organic compounds.

关键词: CO and o-DCB oxidation, hierachically porous, CuO/α-Fe2O3/HP-SiO2, monolith

Abstract: Hierachically porous (HP) CuO/α-Fe₂O₃/SiO₂ composite material was fabricated by sol-gel method and multi-hydrothermal processes using HP-SiO₂ as support. The resulting material was characterized by N₂ adsorption-desorption, X-ray diffraction and scanning electron microscopy. The as-prepared CuO/Fe₂O₃/HP-SiO₂ sample, with α-Fe₂O₃ and CuO nanocrystals, possessed a co-continuous skeleton, through-macroporous and mesoporous structure. Its catalytic behavior for CO and o-DCB oxidation was investigated. The result showed that CuO/Fe₂O₃/HP-SiO₂ catalyst exhibited high catalytic activity for both CO and o-DCB oxidation, indicating its potential application in combined abatement of CO and chlorinated volatile organic compounds.

Key words: CO and o-DCB oxidation, hierachically porous, CuO/α-Fe2O3/HP-SiO2, monolith

Xiaodong Ma*, Xi Feng, Xuan He, Hongwen Guo, Lu Lü. Preparation, characterization and catalytic behavior of hierachically porous CuO/α-Fe₂O₃/SiO₂ composite material for CO and o-DCB oxidation [J]. 能源化学(英文), 2011, 20(6): 618-622.

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Preparation, characterization and catalytic behavior of hierachically porous CuO/α-Fe₂O₃/SiO₂ composite material for CO and o-DCB oxidation

Preparation, characterization and catalytic behavior of hierachically porous CuO/α-Fe₂O₃/SiO₂ composite material for CO and o-DCB oxidation

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