(98d) Conversion of Pyrolysis Oil

Prasomsri, T. A., University of Oklahoma
Galiasso, R. E., University of Oklahoma
Lobban, L., University of Oklahoma
Mallinson, R., University of Oklahoma
Resasco, D. E., University of Oklahoma

1- and 2- tetralones are used as the representative compound in biomass-derived pyrolysis oil (or bio-oil). This work focused on conversion of oxygenated aromatic compounds over HY zeolite. The reactions were conducted in fixed-bed reactor at 300, 400 and 500 ºC under hydrogen atmospheric pressure. Pure feeds were introduced to the reactor by using a bubbler in order to minimize condensation or solvent problems. It was found that 2-tetralone is thermally unstable and has a higher reactivity than 1-tetralone. Gaseous products were analyzed by on-line GC. Hydrogen abstraction (i.e. naphthol product) and coupling (i.e. heavies) were the main reaction paths. Deoxygenation (i.e. to tetralin and naphthol) products was a slower path.


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