The production of carbon-neutral liquid fuels from renewable biomass has attracted worldwide interest in an age of depletion of fossil fuel reserves and pollutions caused by utilization of fossil petroleum. Currently, commercial bio-oil production technologies include bio-ethanol, bio-diesel and pyrolysis bio-oil. But, these bio-oils mainly consist of alcohols and aromatic chemicals rather than alkanes of the main components of gasoline and diesel. Direct utilization of these bio-oils can corrode car engines as well as emitting large unburned hydrocarbons particles through automotive combustion system. Therefore, in this study, catalytic hydrothermal conversion (CHTC) of glucose to alkanes in a single batch reactor was investigated with respect to effects of conversion parameters such as initial pressure of process gas H2, pH level of aqueous solution and catalysts on alkane yields and compositions. Results showed that the highest alkane yield of 21.6% (based on the mol of the input glucose) was obtained at 265 °C, with 300 psi of H2 process gas, 0.5 g catalyst of 1w%. Pt/Al2O3 and a residence time of 15 h. The alkane yield was significantly influenced by the initial pressure of H2, which increased with increasing H2 pressure. On the other hand, the alkane yields first increased and then decreased with pH levels. Also, more alkanes were produced by Pt/Al2O3 than Pd/Al2O3. Regarding alkane compositions, high initial pressure of H2 favored the production of relatively heavy C3–4 alkanes. With 300 psi of initial H2, C3H8 and C4H10 accounted for 75% of the total produced alkanes. All of the experimental data in this study lead to one conclusion that petroleum alkanes can be directly produced from glucose.
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ASME 2010 4th International Conference on Energy Sustainability
May 17–22, 2010
Phoenix, Arizona, USA
Conference Sponsors:
- Advanced Energy Systems Division and Solar Energy Division
ISBN:
978-0-7918-4395-6
PROCEEDINGS PAPER
Catalytic Hydrothermal Conversion of Glucose to Light Petroleum Alkanes Available to Purchase
Sudong Yin,
Sudong Yin
University of Calgary, Calgary, AB, Canada
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Yanglin Pan,
Yanglin Pan
University of Calgary, Calgary, AB, Canada
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Zhongchao Tan
Zhongchao Tan
University of Calgary, Calgary, AB, Canada
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Sudong Yin
University of Calgary, Calgary, AB, Canada
Yanglin Pan
University of Calgary, Calgary, AB, Canada
Zhongchao Tan
University of Calgary, Calgary, AB, Canada
Paper No:
ES2010-90433, pp. 1099-1103; 5 pages
Published Online:
December 22, 2010
Citation
Yin, S, Pan, Y, & Tan, Z. "Catalytic Hydrothermal Conversion of Glucose to Light Petroleum Alkanes." Proceedings of the ASME 2010 4th International Conference on Energy Sustainability. ASME 2010 4th International Conference on Energy Sustainability, Volume 2. Phoenix, Arizona, USA. May 17–22, 2010. pp. 1099-1103. ASME. https://doi.org/10.1115/ES2010-90433
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