Journal
ENERGY
Volume 162, Issue -, Pages 564-575Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2018.08.001
Keywords
Bubbling fluidized-bed; Fractional catalytic pyrolysis; Dolomite catalyst; Tulip tree
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Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology [NRF-2014R1A1A4A01008538]
- Engineering Research Center of Excellence Program of the Korea Ministry of Science, ICT & Future Planning (MSIP)/National Research Foundation of Korea (NRF) [NRF-2014R1A5A1009799]
- National Research Foundation of Korea [2014R1A1A4A01008538, 2014R1A5A1009799] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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 degrees C to 550 degrees 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 H-2 and hydrocarbons gas. The catalytic process obtaineda high ratio of H-2/CO in the gas product. (C) 2018 Elsevier Ltd. All rights reserved.
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