Abstract

A convenient and effective impregnation method was found to prepare Rh-Mn-Li/SiO2 catalyst by using large granularity of silica as support, of which Rh particle size is at 2–4 nm with narrow distribution and the number of it accessible for reagents is enhanced. As expected, the space-time yield (STY) and selectivity of C2+oxygenates were significantly increased from 338.6 g/kg-cat.h, 49.2% to 618.4 g/kg-cat.h, 54.6% respectively, when 14–20 mesh, instead of 20–40 mesh of silica, was employed.

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