Journal
ENERGY & FUELS
Volume 25, Issue 8, Pages 3417-3427Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ef200803d
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Funding
- Chevron Technology Ventures, a division of Chevron U.S.A., Inc.
- Agilent Technologies Foundation [GC7890]
- Fulbright Foundation
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The conversion of guaiacol catalyzed by Pt/gamma-Al2O3 in the presence of H-2 was investigated with a flow reactor at 573 K and 140 kPa. Dozens of reaction products were identified, with the most abundant being phenol, catechol, and 3-methylcatechol. The kinetically significant reaction classes were found to be hydrogenolysis [including hydrodeoxygenation (HDO)], hydrogenation, and transalkylation. Selectivity-conversion data were used to determine an approximate quantitative reaction network accounting for the primary products, and a more detailed qualitative network was also inferred. Catalytic HDO was evidenced by the production of anisole and phenol. The HDO selectivity increased with an increasing H-2 partial pressure and a decreasing temperature. Products formed by transallcylation reactions match those produced in the conversion catalyzed by HY zeolite, in which no deoxygenated products were observed.
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