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Joo, Sang Hoon
Nanomaterials & Catalysis Lab
Research Interests
  • Catalyst, energy conversion, fuel cells, electrolyzer, ORR, HER, OER

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Effect of Pt Particle Size on the Hydroisomerization of n-Dodecane Over Pt/Al-SBA-15 Catalysts

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Title
Effect of Pt Particle Size on the Hydroisomerization of n-Dodecane Over Pt/Al-SBA-15 Catalysts
Author
Lee, Hyung WonJeon, Jong-KiJeong, Kwang-EunJeong, Soon-YongHan, JeongsikSeo, BoraJoo, Sang HoonPark, Young-Kwon
Keywords
Hydroisomerization; n-Dodecane; Al-SBA-15; Pt Particle Size
Issue Date
201309
Publisher
AMER SCIENTIFIC PUBLISHERS
Citation
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.13, no.9, pp.6074 - 6078
Abstract
The hydroisomerization of n-dodecane was carried out over platinum-impregnated Al-SBA-15 as a bifunctional catalyst. A range of Pt/Al-SBA-15 catalysts with a Pt particle size of 1.7, 2.9 and 7.1 were prepared to examine the effect of the Pt particle size on the activity and selectivity for the hydroisomerization of n-dodecane. The catalysts were characterized by transmission electron microscopy, X-ray diffraction, nitrogen adsorption, pyridine Fourier transform infrared spectroscopy and NH3 temperature programmed desorption. The hydroisomerization of n-dodecane was performed in a batch-type reactor at 350 degrees C and 20 bar. The Pt(2.9)/Al-SBA-15 catalyst showed the highest selectivity to iso-dodecane due to its largest number of medium strength Bronsted acid sites and the optimum ratio of metallic/acid sites.
URI
http://scholarworks.unist.ac.kr/handle/201301/3918
DOI
http://dx.doi.org/10.1166/jnn.2013.7659
ISSN
1533-4880
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