화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.31, 283-290, November, 2015
DOI10.1016/j.jiec.2015.06.038  Export Citation
Preparation, characterization and CO oxidation activity of Cu-Ce-Zr mixed oxide catalysts via facile dry oxalate-precursor synthesis
Guangying Fu, Dongsen Mao†, Shuaishuai Sun, Jun Yu, and Zhiqiang Yang
  • Research Institute of Applied Catalysis, School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China
E-mail:
CuO-CeO2-ZrO2 catalysts were prepared via facile dry oxalate-precursor synthesis and tested for CO oxidation. The effect of Cu contents was investigated by N2 adsorption, TEM, XRD, XPS, H2-TPR, CO-TPD and Raman techniques. The results show that CuO dispersion, SBET and adsorbed CO amount exhibit a volcano trend with increasing the Cu content. The highest activity was achieved over the catalyst with 18 mol% Cu with the CO conversion being 99% at 85 8C. The superior performance of the catalyst prepared by this method is attributed to the finely dispersed CuO species and the strong interaction of CuO with ceria-zirconia phase.
Keywords:CuO-CeO2-ZrO2 catalyst;Soft reactive grinding;Dry oxalate-precursor;CO oxidation
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