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Supported gold catalysts Au/OMS-2 and Au/La-OMS-2 were prepared and used for liquid phase oxidation of cyclohexene with oxygen as an oxidant. These catalysts were characterized by XRD, SEM, TEM and EDX. The reactions were carried out in an autoclave at 80°C without any solvent. Effects of Au content and La content on catalytic performance were studied. Au/La-OMS-2 (0.24) was found to be an efficient...
Gold nanoparticles were stabilized on alumina support by silica via a surface sol–gel post-modification method and applied for the catalytic cyclohexane oxidation to cyclohexanone and cyclohexanol using oxygen in the absence of any solvent and initiator. The results show that the surface doping of alumina support with silica is highly effective in stabilizing gold nanoparticles subjected to calcination...
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