The production of biofuels using inedible natural resources has been studied using chemical and biological processes. The upgrading of biomass thermolysis oils using catalysis process has been studied, and the conversion of model compounds and actual oil feedstocks to fuel-grade deoxygenated hydrocarbons has been successfully demonstrated using batch and continuous flow hydrodeoxygenation reactors. Although a lot of catalysts have been developed for the successful production of biofuels, the industry-scale mass production of upgraded pyrolysis oil has not been achieved yet. In addition to the economic issues of biofuels, the fast deactivation of catalysts including coking on the catalyst bed suppressed the commercialization of upgrading processes of biomass pyrolysis oils. In this study, we attempt to develop the feasible catalysis hydrodeoxygenation processes to convert biomass pyrolysis oil to fuel-grade hydrocarbons. The coking on the catalyst bed is studied and the design of catalysts to suppress the coking is suggested. The successful continuous flow hydrodexygenation using lab-, bench-, and mini-pilot-scale reactors is successfully achieved. The characterization results of crude and upgraded pyrolysis oils are analyzed and the development of feasible biomass-pyrolysis-oil-upgrading processes is discussed.

Continuous catalytic production of deoxygenated hydrocarbon fuels from biomass pyrolysis oil

254th National Meeting (2017)

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