稀土学报（英文版）
稀土學報（英文版）
희토학보（영문판）
JOURNAL OF RARE EARTHS
2014年
2期
117-123
,共7页
杨志强%毛东森%郭晓明%卢冠忠
楊誌彊%毛東森%郭曉明%盧冠忠
양지강%모동삼%곽효명%로관충
cerium-zirconium mixed oxide%copper oxide%microwave heating%CO oxidation%rare earths
CeO2-ZrO2 mixed oxide (Ce0.6Zr0.4O2) prepared by microwave-assisted heating co-precipitation was used as a support to prepare a series of CuO/Ce0.6Zr0.4O2 catalysts with various CuO contents (0 wt.%-15 wt.%) via the method of incipient-wetness im-pregnation. The obtained CuO/Ce0.6Zr0.4O2 samples were characterized by N2 adsorption, XRD, Raman, TEM and H2-TPR technolo-gies, and their catalytic activities for CO oxidation were investigated. The results showed that the activity of CuO/Ce0.6Zr0.4O2 catalyst was strongly influenced by the content of CuO, and the catalyst with 10 wt.%CuO exhibited the best catalytic activity in CO oxida-tion, which could be attributed to the high dispersion and reducibility of CuO, and high oxygen vacancy concentration in the catalyst.
