(98d) Conversion of Pyrolysis Oil

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