Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 199, Issue -, Pages 439-446Publisher
ELSEVIER
DOI: 10.1016/j.apcatb.2016.06.051
Keywords
5-Hydroxymethylfurfural; Hydrodeoxygenation; 2,5-Dimethyl furan; Nanocrystal; Bimetallic catalyst
Funding
- Catalysis Center for Energy Innovation, an Energy Frontier Research Center - U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001004]
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Hydrodeoxygenation (HDO) of 5-hydroxymethylfurfural (HMF) was examined over well-defined and uniform, Pt-Ni, Pt-Zn and Pt-Cu alloyed nanocrystals (NCs) supported on carbon, at 33 bar and between 160 and 200 degrees C. Pt-Ni alloy catalysts were prepared in three different Pt:Ni ratios, Pt6Ni, Pt3Ni, and PtNi. While all of the Pt-Ni alloys were more selective for producing 2,5-dimethylfuran (DMF) than were Pt or Ni monometallic catalysts, the Pt3Ni catalyst was superior to the other compositions, exhibiting a yield of 98% due to its optimum surface composition. Similarly high yields were obtained on catalysts prepared from Pt2Zn and PtCu NCs. Possible reasons are given for why each of the Pt-alloy catalysts is highly selective. (C) 2016 Elsevier B.V. All rights reserved.
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