Hydrotreating of Phenolic
Compounds Separated from Bio-oil to Alcohols
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Abstract
Phenolic compounds in bio-oil are not stable and difficult
to be
upgraded to ideal fuels. In this study, simulated bio-oil as well
as phenolic compounds separated from bio-oil by glycerol-assisted
distillation were hydrotreated by Ru/SBA-15 catalyst and completely
converted into C<sub>3</sub> to C<sub>10</sub> alcohols at mild conditions,
which could be a feasible way to transfer the phenolic compounds in
bio-oil or other real systems from lignin decomposition into high
heating-value liquid fuel or fuel additives. The stability of the
Ru/SBA-15 catalyst was also investigated. It was found that Ru/SBA-15
was stable with phenolic compounds in the simulated bio-oil but not
in a real one