Macroporous perovskite-type complex oxide catalysts of La_(1-x)K_xCo_(1-y)Fe_yO_3 for diesel soot combustion |
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| Authors: | ZHANG Guizhen ZHAO Zhen LIU Jian XU Junfeng JING Yanni DUAN Aijun JIANG Guiyuan |
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| Affiliation: | State Key Laboratory of Heavy Oil Processing China University of Petroleum |
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| Abstract: | A facile procedure was carried out to prepare macroporous perovskite-type complex oxide catalysts of La1-xKxCo1-yFeyO3(x=0,0.1,y=0,0.1) by using the combined method of organic ligation and solution combustion.This method could ensure the formation of the desired macroporous structures and the desired crystal phases of the prepared catalysts.It was found that the macroporous catalysts showed higher catalytic activities for soot combustion than that of the corresponding nanometric samples,and the macroporous ... |
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| Keywords: | macroporous perovskite-type oxides diesel engine exhaust soot catalytic combustion rare earths |
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