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This study is a continuation of the research reported recently that showed La and V doubly promoted Rh/SiO 2 catalysts to be active and selective for the synthesis of ethanol from syngas. In this work, the effect of Fe on Rh–La–V/SiO 2 was examined and the role of each individual promoter was further scrutinized. Several series of promoted Rh/SiO 2 catalysts were prepared by...
La, V, Zn, Cu, Fe, Li and Ag promoted Rh/SiO 2 catalysts were investigated for the synthesis of ethanol during CO hydrogenation at 230°C and 1.8atm. As is well known, the activity and selectivity depend heavily on the choice of promoter. Diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) was used to probe the effects of La, V, Zn and Cu on CO adsorption and hydrogenation...
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