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The Ag-decorated silica nanoparticles (termed core–shell Ag@SiO2 mesosphere) have been successfully fabricated by an aerosol method in this Letter. The size of Ag nanoparticles (AgNPs) can be well controlled by tuning the calcination temperature and the AgNPs on the surface of silica can be gradually grown with the increase of the calcination temperature. Moreover, the catalytic activity of nanocomposites...
In order to solve the CO removing problem in fuel cell technology using hydrogen as resource, the method of selective methanation is adopted to remove CO in hydrogen-rich atmosphere. Ni~ZrO2/SiO2 catalyst were prepared by sol-gel method and its activity is investigated. The effect of preparation conditions including NiO loadings and calcination temperature on catalytic activity is investigated in...
Ag/γ-Al2O3 catalyst was prepared by wet impregnation method with different Ag loadings and calcination temperature, which were characterized by Brunauer-Emmett-Teller (BET), X-ray diffractometer (XRD), scanning electron microscope-energy dispersive X-ray (SEM-EDX) and their catalytic activity in NH3+NO reaction were investigated on in a quartz tubular fixed-bed microreactor to compare preparation...
Catalytic systems based on activated carbon(AC) modified by manganese oxide were investigated for the hydrolysis of carbonyl sulfide (COS) in a fixed-bed reactor. The catalysts were prepared by immersion method. Effect of preparation conditions on catalytic activity were studied, including calcination temperature, content of active component, drying temperature after immersing alkali and addition...
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