Journal
NEW JOURNAL OF CHEMISTRY
Volume 45, Issue 47, Pages 22306-22315Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1nj02747f
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Funding
- Program of National Natural Science Foundation of China [21808148]
- Sichuan Science and Technology Program [2020YFG0314]
- China Postdoctoral Science Foundation [2019M653406]
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Biofuels are seen as a direct alternative to fossil fuels due to the energy crisis and greenhouse effect. The research demonstrates the successful hydrogenation of methyl stearate to alkanes using a bifunctional Pt-Mo catalyst supported on activated carbon with formic acid as a hydrogen source. The catalyst shows excellent stability and performance, making it versatile for various feedstocks.
Biofuels have generated considerable interest as a direct substituent for fossil fuels due to the energy crisis and greenhouse effect. In this article, bifunctional Pt-Mo catalyst supported on activated carbon (AC) was fabricated for in situ hydrogenation of methyl stearate to alkanes using small amounts of formic acid (FA) as a hydrogen source. A total yield of 75.3% is obtained under 290 degrees C for 2 h with a small FA/methyl stearate mole ratio of 3.9. Prolonging the reaction time to 6 h results in a total yield of 100%. The experimental and characterization results indicate that the strong interaction of beta-Mo2C and Pt over Pt-Mo/AC catalysts give rise to excellent catalytic performance and that Pt active sites are responsible for FA dehydrogenation and decarbonylation of methyl stearate to heptadecane and Pt-doped beta-Mo2C active sites catalyzing hydrodeoxygenation of methyl stearate to octadenane. This catalyst is stable during three recycles and is versatile for various feedstocks.
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