Method for preparing novel cerium oxide/copper oxide composite nanometer film catalyst

• Main Authors: YANG MEI, DAI LIMING, LIANG YOULONG, GUI QINGYUAN, LIN MIMI, LIU YONG
• Format: Patent
• Language: Chinese; English
• Published: 09.04.2014
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

The invention provides a method for preparing a novel cerium oxide/copper oxide composite nanometer film catalyst. According to the method, the load rate of CuO can be effectively improved to 50 percent, the reaction temperature for catalyzing CO can be reduced to 100 DEG C, and the catalytic activity of a CeO2/CuO catalyst is greatly improved. The method comprises the following steps: heating a mixed solution containing cerous nitrate, copper nitrate and a material for improving the solution viscosity to form a transparent solution, and spreading the obtain solution on a pretreated template; treating the template containing a mixed material at the high temperature, so as to obtain the novel cerium oxide/copper oxide composite nanometer film catalyst; observing the phase structure and the morphology of the material through X-ray diffraction patterns and scanning electron micrographs; and finally, determining the influence of the change of the phase structure and the morphology of the material on a catalytic p