Abstract

Gold nanopaticles (AuNPs) supported on metal-doped α-MnO2 (M-OMS, M = Na, Mg, Al, Fe, Cu, Zn) have been designed for gas-phase selective oxidation of ethanol. Gold loading by colloidal deposition (CD) and deposition precipitation (DP) methods were employed to prepare Au/M-OMS catalysts, and Au/M-OMS-CD showed better gold dispersion and catalytic stability. Au/Cu-OMS-CD achieved the highest acetaldehyde yield (80%) and space-time-yield (3.0 g gcat−1 h−1) at 200 °C, which are higher than previously reported gold catalysts. Such good performance was ascribed to the moderate surface reduction caused by the CD method and the copper-promoted metal-support synergy between AuNPs and Cu-OMS.

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Similar Papers

Paper Title
Journal
Date
Author

More From: Catalysis Communications

Paper Title
Journal
Date
Author

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.