Abstract
Biomass fast pyrolysis oil (bio‐oil) is generally unstable, acidic, corrosive, viscous, and high in moisture content. A feasible upgrading method is the coprocessing of bio‐oil with petroleum fractions. In this article, bio‐oil was co‐processed with paraffin oil in a fixed‐bed reactor. The effects of temperature, WHSV and coprocessed ratio on the coke yield were investigated. The coke deposited on the catalyst was characterized by using different analytical techniques (elementary analysis, adsorption measurements, XRD, SEM, TG, IR, GC‐MS, and NMR spectroscopy). The results show that the coke formation is mainly due to the polymerization and polycondensation of the polycyclic aromatic compounds. © 2013 American Institute of Chemical Engineers Environ Prog, 33: 1373–1379, 2014
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