New method for catalyst preparation based on metal-organic framework MOF-5 for the partial hydrogenation of phenylacetyleneстатья
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Дата последнего поиска статьи во внешних источниках: 22 октября 2015 г.
Аннотация:Small (less than 2 nm) Pd nanoparticles immobilized in the matrix of the microporous phenylenecarboxylate metal-organic framework MOF-5 were prepared for the first time by the fluid method. The catalytic properties of samples Pd@MOF-5 were studied in the selective hydrogenation of phenylacetylene to styrene (methanol, 20 °C, P H2 = 1 atm). The catalytic experimental data and results of physicochemical studies indicate that palladium nanoparticles are mostly localized in pores of the composite material 1%Pd@MOF-5 obtained by the fluid synthesis. The specific positions of active sites in the intracrystalline volume results in the suppression of the undesirable conversion of styrene to ethylbenzene.