Abstract
Silica-supported bimetallic and trimetallic transition metal catalysts with different metal loadings of Cu, Ni and Co have been prepared by using the ultrasonic cavitation-impregnation method. The characterization of the prepared catalysts was done by BET, SEM-EDS, TEM and powder XRD. The catalytic activity was tested in the liquid phase oxidation of styrene, 4-chloro styrene and cyclohexene using tert-butyl hydroperoxide (TBHP) as the oxidant and acetonitrile as a solvent under mild conditions. In styrene oxidation, the trimetallic catalyst 30CuNiCoSiO showed amaximum of 95% conversion with 74% benzaldehyde and 25% styrene oxide selectivity at the end of the 24 h reaction time at 40 °C. The catalysts could be recycled three times without losing their catalytic activity and no metal species leached out from the support.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.