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Co-nanocasting synthesis of mesoporous Cu-Mn composite oxides and their promoted catalytic activities for gaseous benzene removal
Alternative TitleAppl. Catal. B-Environ.
Tang, W. X.; Wu, X. F.; Li, S. D.; Shan, X.; Liu, G.; Chen, Y. F.
2015
Source PublicationApplied Catalysis B-Environmental
Issue0Pages:110-121
Abstract

Mesoporous Cu-Mn oxides with high surface area (similar to 221 m(2) g(-1)) were successfully obtained through a simple co-nanocasting approach using siliceous SBA-15 mesoporous material as a hard template. Their catalytic performances for deep oxidation of benzene were tested and physicochemical properties were characterized in detail by means of N-2-physisorption, XRD, XPS, H-2-TPR, SEM-EDX and TEM. The asprepared mesoporous Cu-Mn oxides display superior catalytic activity and the temperature required for achieving a benzene conversion of 90% has been obtained at about 234 degrees C over sample Cu0.6Mn, which is 131 degrees C lower than that on the Cu-Mn oxide prepared by co-precipitation method using NaOH. The apparent activation energy over nanocasted catalyst was low to 45.0 kJ mol(-1.) Nanocasting process provides a limited nanoreactor for the formation of Cu-Mn composite oxide which makes the Cu-Mn oxides owing small particle size, high surface area, rich surface adsorbed oxygen species, low temperature reducibility and promoting interaction of Cu-Mn species. These characters generated by nanocasting method are responsible for its better catalytic activity. (C) 2014 Elsevier B.V. All rights reserved.

KeywordCu-mn Composite Oxide Nanocasting Mesoporous Structure Catalytic Oxidation Benzene Volatile Organic-compounds Mixed Oxides Total Oxidation Low-temperature Voc Oxidation Combustion Method Carbon-monoxide Deep Oxidation Cobalt Oxide Toluene
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Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11688
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
Tang, W. X.,Wu, X. F.,Li, S. D.,et al. Co-nanocasting synthesis of mesoporous Cu-Mn composite oxides and their promoted catalytic activities for gaseous benzene removal[J]. Applied Catalysis B-Environmental,2015(0):110-121.
APA Tang, W. X.,Wu, X. F.,Li, S. D.,Shan, X.,Liu, G.,&Chen, Y. F..(2015).Co-nanocasting synthesis of mesoporous Cu-Mn composite oxides and their promoted catalytic activities for gaseous benzene removal.Applied Catalysis B-Environmental(0),110-121.
MLA Tang, W. X.,et al."Co-nanocasting synthesis of mesoporous Cu-Mn composite oxides and their promoted catalytic activities for gaseous benzene removal".Applied Catalysis B-Environmental .0(2015):110-121.
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