期刊
CATALYSIS SCIENCE & TECHNOLOGY
卷 10, 期 9, 页码 3047-3056出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cy00163e
关键词
-
资金
- Center for Biorenewable Chemicals - NSF [EEC-0813570]
Aqueous phase conversion of biomass-derived molecules requires development of catalysts and operating strategies that create viable operation for extended performance as necessitated for industrial applications. While structural collapse of the support and sintering/leaching of the supported metal particles have been reported in the literature as being the primary deactivation mechanisms, carbon deposition was found to be the dominant deactivation mode for carbon supported Pt catalysts in aqueous phase 2-pentanone hydrogenation reactions. A mild regeneration method involving air oxidation at 200 degrees C and H-2 reduction at 180 degrees C led to full recovery of the catalytic activity. The regeneration method was also successfully applied to Ru catalysts leading to the full recovery of the activity. The mild regeneration method demonstrated likely has applicability to catalyst regeneration for additional aqueous phase reactions with oxygenated molecules.
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