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Production of bio-jet fuel range alkanes from catalytic deoxygenation of Jatropha fatty acids on a WOx/Pt/TiO2 catalyst

Authors
Choi, Il-HoLee, Jin-SukKim, Chul-UngKim, Tae-WanLee, Kwan-YoungHwang, Kyung-Ran
Issue Date
1-3월-2018
Publisher
ELSEVIER SCI LTD
Keywords
Jatropha fatty acids; Bio-jet fuel; Oxy-free hydrocarbon; Catalytic deoxygenation; Decarboxylation
Citation
FUEL, v.215, pp.675 - 685
Indexed
SCIE
SCOPUS
Journal Title
FUEL
Volume
215
Start Page
675
End Page
685
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/76788
DOI
10.1016/j.fuel.2017.11.094
ISSN
0016-2361
Abstract
Bio-jet fuel range alkanes were prepared by catalytic deoxygenation reaction of non-edible acid oils with no added hydrogen. A WOx[6]/Pt[1.6]/TiO2 was used for the deoxygenation of stearic acid and Jatropha fatty acid derived from Jatropha oil by hydrolysis. Tungsten addition to the Pt/TiO2 showed remarkably enhanced performance, a degree of deoxygenation of 86%, which is more than two times higher than that of the Pt/TiO2, even though the WOx/TiO2 had almost no activity for deoxygenation reaction. The enhanced Pt-related hydrogen uptake, measured by H-2-TPR, and XPS analysis showed the intimate contact of tungsten with Pt nanoparticles supported on TiO2. This tight contact allows for easier CeC cleavage over Pt nanoparticles and this is assisted by the strong bonding between tungsten and oxygen in the reactant, resulting in more C-17 hydrocarbon production on the WOx/Pt/TiO2.
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공과대학 (화공생명공학과)
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