Abstract
Photocatalytically generated gold on carbon and TiO2 composites were used for acetylene hydrogenation in excess ethylene, in a way close to current industrial practices. The crystalline effect of TiO2 and the addition of Pd to supported Au catalysts on acetylene hydrogenation were investigated. Carbon and amorphous TiO2 supported Au were highly active, selective, and stable and possessed the highest ethylene yield of 83% at 210°C with a H2/C2H2 ratio of 2/1 for selective hydrogenation of acetylene to ethylene. With further addition of Pd to the supported Au catalyst, ethylene yield reached a maximum value of 57% at 30°C with a H2/C2H2 ratio of 2/1. The enhanced performance originated from small neutral Au nanoparticles and the formation of bimetallic Au–Pd catalyst. This report opens up promising possibilities for the design of highly efficient heterogeneous supported gold catalysts.
Sign-in/Register to access full text options 
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 callDisclaimer: 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.
