Dehydrocyclization-cracking reaction of soybean oil using zeolite-metal oxide composite-supported PtNiMo sulfided catalysts
| Autor: | Tadanori Hashimoto, Hiroyuki Nasu, Takumi Ogiyama, Ryunosuke Ishida, Atsushi Ishihara |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
food.ingredient
Hydrogen 010405 organic chemistry Decarboxylation General Chemical Engineering Inorganic chemistry Decarbonylation Energy Engineering and Power Technology chemistry.chemical_element 010402 general chemistry 01 natural sciences Soybean oil 0104 chemical sciences Catalysis Fuel Technology food chemistry Reagent Octane rating Zeolite |
| Zdroj: | Fuel Processing Technology. 161:17-22 |
| ISSN: | 0378-3820 |
| DOI: | 10.1016/j.fuproc.2017.02.028 |
| Popis: | Zeolite (ZSM-5 with various SiO2/Al2O3 ratios)-alumina composite-supported PtNiMo sulfides catalysts were prepared, and were used to produce aromatics and hydrogen selectively by dehydrocyclization-cracking of soybean oil, a new type of reaction of fat under 1 MPa H2 in the range 420 °C–580 °C. Although liquid products were not obtained using catalysts without Pt, soybean oil was completely cracked by 1 wt% of Pt containing catalysts under 1 MPa H2 at above 420 °C, producing gasoline with research octane number up to 92. The conversion decreased below 95% even at 500 °C using 0.5 wt% of Pt or using titania instead of alumina. When alumina support was modified by basic reagents in advance, larger amounts of CO and CO2 were formed in comparison with the catalysts, which included the unmodified alumina, in the reaction of soybean oil, indicating that decarbonylation and decarboxylation, which can inhibit the consumption of hydrogen, occurred preferentially. |
| Databáze: | OpenAIRE |
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