Catalytic combustion of ethyl acetate over CeMnOx and CeMnZrOx compounds synthesized by coprecipitation method

doi:10.1016/S1003-9953(10)60249-6

能源化学(英文) ›› 2011, Vol. 20 ›› Issue (6): 623-628.DOI: 10.1016/S1003-9953(10)60249-6

Catalytic combustion of ethyl acetate over CeMnO_x and CeMnZrO_x compounds synthesized by coprecipitation method

Xiaoshuang Li, Jianli Wang, Chuanwen Liao, Hongyan Cao, Yaoqiang Chen, Maochu Gong*

Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, Sichuan, China

收稿日期:2011-04-18 修回日期:2011-07-09 出版日期:2011-11-20 发布日期:2011-11-18
通讯作者: 龚茂初
基金资助:
863项目

Catalytic combustion of ethyl acetate over CeMnO_x and CeMnZrO_x compounds synthesized by coprecipitation method

Xiaoshuang Li, Jianli Wang, Chuanwen Liao, Hongyan Cao, Yaoqiang Chen, Maochu Gong*

Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, Sichuan, China

Received:2011-04-18 Revised:2011-07-09 Online:2011-11-20 Published:2011-11-18
Supported by:
the National High Technology Research and Development Program of china

摘要/Abstract

摘要： Ce_0.6Mn_0.4O₂ catalysts with different sources of manganese and Ce_0.6-xZr_xMn_0.4O₂ mixed oxide catalysts were prepared by coprecipitation method and were characterized by N₂ adsorption-desorption, TPR, XRD, and XPS techniques. The activities of the prepared catalysts for ethyl acetate combustion, and the effects of calcination temperature and space velocity on catalytic activity were investigated. The results showed that partial replacement of Mn(NO₃)₂ with KMnO₄ as sources of manganese could improve activities of catalysts. Ce_0.45Zr_0.15Mn_0.4O₂ catalyst exhibited the best catalytic activity and high thermal stability, e.g., T₉₀ could be still below 210 ℃ even if space velocity was up to 20000 h^-¹.

关键词: ethyl acetate, catalytic combustion, volatile organic compound, CeMnZrOx catalysts

Abstract: Ce_0.6Mn_0.4O₂ catalysts with different sources of manganese and Ce_0.6-xZr_xMn_0.4O₂ mixed oxide catalysts were prepared by coprecipitation method and were characterized by N₂ adsorption-desorption, TPR, XRD, and XPS techniques. The activities of the prepared catalysts for ethyl acetate combustion, and the effects of calcination temperature and space velocity on catalytic activity were investigated. The results showed that partial replacement of Mn(NO₃)₂ with KMnO₄ as sources of manganese could improve activities of catalysts. Ce_0.45Zr_0.15Mn_0.4O₂ catalyst exhibited the best catalytic activity and high thermal stability, e.g., T₉₀ could be still below 210 ℃ even if space velocity was up to 20000 h^-¹.

Key words: ethyl acetate, catalytic combustion, volatile organic compound, CeMnZrOx catalysts

Xiaoshuang Li, Jianli Wang, Chuanwen Liao, Hongyan Cao, Yaoqiang Chen, Maochu Gong*. Catalytic combustion of ethyl acetate over CeMnO_x and CeMnZrO_x compounds synthesized by coprecipitation method [J]. 能源化学(英文), 2011, 20(6): 623-628.

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Catalytic combustion of ethyl acetate over CeMnO_x and CeMnZrO_x compounds synthesized by coprecipitation method

Catalytic combustion of ethyl acetate over CeMnO_x and CeMnZrO_x compounds synthesized by coprecipitation method

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