P-We-141 Core-shell palladium-gold catalysts in selective oxidation of arabinose to arabinonic acid

Wednesday, June 8, 2011
Ontario Exhibit Hall (Detroit Marriott Hotel at the Renaissance Center )
Elena Smolentseva1, Andrey Simakov2, Bright Kusema3, Sergey Beloshapkin4, Miguel Estrada5, Eunice Vargas6, Dmitry Yu. Murzin3 and Sergio Fuentes2, (1)Nanocatalysis, Universidad Nacional Autónoma de México, Centro de Nanociencias y Nanotecnología, Ensenada, CA, Mexico, (2)Nanocatalysis, Universidad Nacional Autónoma de México, Centro de Nanociencias y Nanotecnología, Ensenada, Mexico, (3)Laboratory of Industrial Chemistry and Reactor Engineering, Åbo Akademi University, Process Chemistry Centre, Turku/Åbo,, Turku, Finland, (4)Materials & Surface Science Institute, University of Limerick, Limerick, Ireland, (5)Posgrado en Física de Materiales, Centro de Investigación Científico y de Educación Superior de Ensenada, Ensenada, Mexico, (6)Nanotecnologia, Universidad Autonoma de Baja California, Ensenada, Mexico
Metallic gold species and Au-Pd alloys are mainly responsible for activation of arabinose while an easy redox transformation of Pd species can provoke oxygen activation. Thus, core-shell structures formed by gold species or Au-Pd alloy covered with PdO film manifest synergetic effect in the selective arabinose oxidation by molecular oxygen.

Extended Abstracts: