The solid solution （CeZr）02 catalyst was synthesized, and it was modified with metal oxides by incipient impreg- nation. Morphology and structure were characterized by X-ray diffraction, transmission electron micros...The solid solution （CeZr）02 catalyst was synthesized, and it was modified with metal oxides by incipient impreg- nation. Morphology and structure were characterized by X-ray diffraction, transmission electron microscope, ni- trogen ad/desorption and H2-temperature program reduction techniques. The catalytic properties of methane oxidation were also investigated. The results showed that solid solution possessed a mesoporous structure and exhibited excellent catalytic performance. The activity of solid solution was improved effectively by nickel dop- ing, and the optimal loading is 15 wt%. The stability of （CeZr）02 and modified （CeZr）02 indicated that the struc- ture of pristine solid solution played a key role in promoting molecules diffusion and spatial confining oxide particle sintering.展开更多
基金Supported by the National Natural Science Foundation of China(21136007 and51572185)the Natural Science Foundation of Shanxi Province(2014011016-4)the Coal-Based Key Scientific and Technological Project of Shanxi Province(MQ2014-10)
文摘The solid solution （CeZr）02 catalyst was synthesized, and it was modified with metal oxides by incipient impreg- nation. Morphology and structure were characterized by X-ray diffraction, transmission electron microscope, ni- trogen ad/desorption and H2-temperature program reduction techniques. The catalytic properties of methane oxidation were also investigated. The results showed that solid solution possessed a mesoporous structure and exhibited excellent catalytic performance. The activity of solid solution was improved effectively by nickel dop- ing, and the optimal loading is 15 wt%. The stability of （CeZr）02 and modified （CeZr）02 indicated that the struc- ture of pristine solid solution played a key role in promoting molecules diffusion and spatial confining oxide particle sintering.
