Catalytic Activity of Ruthenium Nanoparticles Supported on Carbon Nanotubes for Hydrogenation of Soybean Oil |
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Authors: | Shanshan Guo Kong Yong Liew Jinlin Li |
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Affiliation: | (1) Key Laboratory of Catalysis and Materials Science, State Ethnic Affairs Commission and Ministry of Education, South-Central University for Nationalities, 430074 Wuhan, China; |
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Abstract: | Ruthenium catalysts supported on multiwalled carbon nanotubes (MCNTs) with different loadings (1% wt, 3% wt, 5% wt) were prepared by reduction with H2 or NaBH4 for selective hydrogenation of soybean oil at 338 K and initial pressure of 1.066 MPa. These catalysts were characterized using transmission electron microscopy (TEM), X-ray powder diffraction (XRD), N2 adsorption–desorption, and H2-temperature programmed desorption (TPD) techniques. Ru particles were dispersed more homogeneously on the surface of the nanotubes after being reduced with H2 than with NaBH4. The catalysts with 3% and 5% Ru loadings had higher hydrogenation activity. The NaBH4-reduced catalyst had higher cis-isomer selectivity. |
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