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Catalysts 2015, 5(4), 1983-2000; doi:10.3390/catal5041983

Effects of Catalyst Preparation on Hydrocarbon Product Distribution in Hydrocracking of the Fischer-Tropsch Product with Low Pt-Loaded Catalysts

1
Biomass Treatment Group, Research Institute for Sustainable Chemistry, Department of Materials and Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), 3-11-32 Kagamiyama, Higashihiroshima, Hiroshima 739-0046, Japan
2
Planning Headquarters General Planning Office, National Institute of Advanced Industrial Science and Technology (AIST), 1-3-1 Kasumigaseki, Chiyoda-ku, Tokyo 100-8921, Japan
3
Advanced Heterogeneous Catalysis Team, Interdisciplinary Research Center for Catalytic Chemistry, Department of Materials and Chemistry, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
4
National Institute of Advanced Industrial Science and Technology (AIST), Central 1, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8560, Japan
*
Author to whom correspondence should be addressed.
Academic Editor: Keith Hohn
Received: 29 September 2015 / Accepted: 12 November 2015 / Published: 20 November 2015
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Abstract

For the effective production of hydrocarbon liquid fuel in the hydrocracking of the Fischer-Tropsch (FT) product, the catalytic performance of Pt-loaded catalysts with low Pt content was investigated using an autoclave at 250 °C, an initial H2 pressure of 0.5 MPa, and a reaction time of 1 h. A screening study using Pt-loaded catalysts with a Pt content of 0.1 wt. % indicated that zeolite supports were more favorable for jet fuel (carbon numbers 9–15) production than amorphous oxide supports. The small particle size of the supported Pt particles and the high amount of medium acid sites for the supports led to higher performance of the Pt-loaded zeolite catalysts. In the hydrocracking reaction over Pt catalysts using the zeolite support with the high amount of medium acid sites, the yields of the corresponding jet fuel at 0.02 and 0.1 wt. % were almost the same. Pt-loaded catalysts with a Pt content of 0.02 wt. % were prepared using water-in-oil (w/o) microemulsions and their particle size was controlled between 1.0 and 2.6 nm. While the yield of the corresponding jet fuel was independent of Pt particle size, smaller Pt particles typically promoted the production of lighter hydrocarbons. View Full-Text
Keywords: biomass; hydrocracking; jet fuel; Pt; microemulsion biomass; hydrocracking; jet fuel; Pt; microemulsion
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MDPI and ACS Style

Hanaoka, T.; Miyazawa, T.; Shimura, K.; Hirata, S. Effects of Catalyst Preparation on Hydrocarbon Product Distribution in Hydrocracking of the Fischer-Tropsch Product with Low Pt-Loaded Catalysts. Catalysts 2015, 5, 1983-2000.

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