Citation:
HAN Li-Feng, ZHANG Wei, LU Mo-Hong, LI Ming-Shi, SHAN Yu-Hua. Chemoselective Hydrogenolysis of Tetrahydrofurfuryl Alcohol to 1,5-Pentanediol over Mo Modified Rh/AC (Rh-MoOx/AC) Catalysts[J]. Chinese Journal of Inorganic Chemistry,
;2015, (2): 297-302.
doi:
10.11862/CJIC.2015.056
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Selective hydrogenolysis of tetrahydrofurfuryl alcohol to 1,5-pentanediol was investigated over Mo modified Rh/AC (Rh-MoOx/AC) catalysts. The Rh-MoOx/ACcatalysts were characterized by TEM, XPSand microcalorimetry of NH3 adsorption. The reaction conditions of the hydrogenolysis were optimized. The results show that the medium strength acid site, provided by MoOx with lower oxidation state by doping molybdenum, is the main factor for improving the catalytic activity. The optimized reaction conditions are catalyst-Rh-MoOx/ACwith molar ratio nMo/nRh of 0.15, reduction temperature of 550 ℃, reaction temperature of 120 ℃, reaction pressure of 8 MPa, reaction time of 10 h and using water as the solvent,. Under these conditions, 64% conversion of tetrahydrofurfuryl alcohol with selectivity of almost 100% toward 1,5-pentanediol is obtained.
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