Journal
CATALYSIS COMMUNICATIONS
Volume 125, Issue -, Pages 70-76Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2019.03.027
Keywords
Green diesel; Deoxygenation of fatty acids; Hydrocarbons; Biofuel; Bimetallic catalyst; Supported platinum catalyst
Categories
Funding
- University Grants Commission (UGC), New Delhi
- Council of Scientific and Industrial Research (CSIR), New Delhi
- CSIR Network Project Catalysis for Sustainable Energy (ECat) [CSC 0117]
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Bimetallic Pt-MoOx supported on ZrO2 exhibits higher catalytic activity than known catalysts for converting fatty acids into green diesel at as low as 200 degrees C. A change in selectivity from decarboxylation/decarbonylation to hydrodeoxygenation and enhancement in the deoxygenation activity of Pt were observed when MoOx was also present in the catalyst composition. In X-ray photoelectron spectra, Pt 4f lines of 4Pt-8MoO(x)/ZrO2 occurred at lower binding energies than those for 4Pt/ZrO2. Part of Mo was reduced from +6 to +5 oxidation state in the presence of Pt. There seems to exist some electronic interaction between the support and metal, making 4Pt-8MoO(x)/ZrO2 a highly efficient and selective deoxygenation catalyst.
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