Abstract
Hydroformylation performance of 1-hexene over rhodium solid catalyst was studied under mild reac-tion condition (H2/CO=1/1, Pressure=3.0MPa, T=403K). Its hydroformylation activities were examined systematically in various solvents. Effects of operating variables on the CO conversion, yields of products and stability of the catalysts also have been discussed in detail. It was found that the rhodium catalyst exhibited the excellent activity in the n-octane solvent, while poor activity in the alcoholic and H2O solvent. Rh/active carbon (Rh/C) catalyst presented superior catalytic performances over Rh/SiO2 catalyst in the activity, selectivity and stability. As the most important, Rh/C catalyst showed stable activity in the continuous (olefin and synthesis gas) feeding system even in the low metal loading, giving the total turn over number (TON) of 500 during 14 hs reaction.
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