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Samarium-promoted of 10 wt% Ni-SBA-15 catalysts, were prepared with various loadings of samarium (0.5, 1.5, 3 wt %), by two-solvent impregnation, which was known as a desired metal dispersion method for dry reforming of methane. The catalysts with/without promoter, were characterized by N2 adsorption-desorption, x-ray diffraction (low and high angles of XRD), x-ray fluorescence (XRF), high resolution...
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