Catalytic pyrolysis of tulip tree (Liriodendron) in bubbling fluidized-bed reactor for upgrading bio-oil using dolomite catalyst

Hoang Vu Ly, Dong-Hyeon Lim, Jae Wook Sim, Seung-Soo Kim and Jinsoo Kim

Energy, 2018, vol. 162, issue C, 564-575

Abstract: Fractional catalytic pyrolysis is an updated pyrolysis method, in which the biomass can be converted into higher quality bio-oil by upgrading the pyrolysis vapor in fluidized bed. In this study, the fast pyrolysis of tulip tree (Liriodendron) was performed in a bubbling fluidized-bed reactor under various reaction conditions (pyrolysis temperature, flow rate of fluidizing medium, and biomass particle size) to investigate the effects of these parameters on product yield and bio-oil quality. The system used silica sand and dolomite as the fluidizing bed material, and nitrogen as the fluidizing medium. When the pyrolysis temperature increased from 400 °C to 550 °C, the bio-oil yield was between 40.07 wt% and 49.03 wt% compared to those of 28.38 and 44.83 wt% using dolomite catalyst. Deoxygenation of bio-oil mostly produced water, and produced lower amounts of CO and CO2, but higher amounts of H2 and hydrocarbons gas. The catalytic process obtaineda high ratio of H2/CO in the gas product.

Keywords: Bubbling fluidized-bed; Fractional catalytic pyrolysis; Dolomite catalyst; Tulip tree (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:162:y:2018:i:c:p:564-575

DOI: 10.1016/j.energy.2018.08.001

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