The nickel-promoted Cu-containing catalysts （CuxNiy-MgAlO） for furfural （FFR） hydrogenation were prepared from the hydrotalcite-like precursors, and characterized by X-ray powder diffraction, inductively-coupled p...The nickel-promoted Cu-containing catalysts （CuxNiy-MgAlO） for furfural （FFR） hydrogenation were prepared from the hydrotalcite-like precursors, and characterized by X-ray powder diffraction, inductively-coupled plasma atomic emission spectroscopy, N2 adsorption-desorption, UV-Vis diffuse reflectance spectra and temperatureprogrammed reduction with H2 in the present work. The obtained catalysts were observed to exhibit a better catalytic property than the corresponding Cu-MgAlO or Ni-MgAlO samples in FFR hydrogenation, and the CuNi-MgAIO catalyst with the actual Cu and Ni loadings of 12.5 wt% and 4.5 wt%, respectively, could give the highest FFR conversion （93.2%） and furfuryl alcohol selectivity （89.2%）. At the same time, Cu~ species from the reduction of Cu2＋ ions in spinel phases were deduced to be more active for FFR hydrogenation.展开更多
文摘The nickel-promoted Cu-containing catalysts （CuxNiy-MgAlO） for furfural （FFR） hydrogenation were prepared from the hydrotalcite-like precursors, and characterized by X-ray powder diffraction, inductively-coupled plasma atomic emission spectroscopy, N2 adsorption-desorption, UV-Vis diffuse reflectance spectra and temperatureprogrammed reduction with H2 in the present work. The obtained catalysts were observed to exhibit a better catalytic property than the corresponding Cu-MgAlO or Ni-MgAlO samples in FFR hydrogenation, and the CuNi-MgAIO catalyst with the actual Cu and Ni loadings of 12.5 wt% and 4.5 wt%, respectively, could give the highest FFR conversion （93.2%） and furfuryl alcohol selectivity （89.2%）. At the same time, Cu~ species from the reduction of Cu2＋ ions in spinel phases were deduced to be more active for FFR hydrogenation.
