The heterogeneous catalytic hydrogenation of isophorone over a designed catalyst has been studied. Both catalyst support and active component of the designed catalyst were modified properly. The catalyst was prepared by incipient impregnation using noble metal Pd as the active component. A fixed-bed reactor was built for the heterogeneous catalytic hydrogenation of isophorone. Both the Gas Chromatograph - Mass Spectrometer (GC-MS ) and Fourier Transform Infrared spectroscopy (FT-IR) data confirmed the product of C=C bond hydrogenation, 3,3,5-trimethylcyclohexanone, as the only product. The experiment showed that the reaction activity and selectivity reached 99.3% and 100% at 90 ? and 1 MPa, respectively.

Designed catalysts for the highly selective hydrogenation of isophorone

248th National Meeting (2014)

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