Journal
MECHANICAL AND AEROSPACE ENGINEERING, PTS 1-7
Volume 110-116, Issue -, Pages 1906-1911Publisher
TRANS TECH PUBLICATIONS LTD
DOI: 10.4028/www.scientific.net/AMM.110-116.1906
Keywords
Ru nanoparticles; ionic liquids; selective hydrogenation; benzene
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The nano-Ru/[Bmim][BF4] catalyst was prepared for benzene selective hydrogenation in 1-n-butyl-3- methylimidazolium tetrafluoroborate [Bmim][BF4] by chemical reduction method. TEM analysis of these nanoparticles sho wed the monodisperse Ru-0 particles which were prepared by positive dropping method dispersed in the ionic liquids with diameters less than 5nm. The Ru-0 particles which were prepared by reverse dropping method agglomerated with diameters more than 10nm. KBH4 was the suitable reductant. The optimum loading of Ru was 1.5%. The hydrogenation activity of Ru/ [Bmim] [BF4] was high and the selectivity of cyclohexene was very low. Selectivity of cyclohexene was only 14.5% at 27.3 % benzene conversion.
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