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Premium quality fuels and chemicals from the fluidised bed pyrolysis of biomass with zeolite catalyst upgrading

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  • Horne, Patrick A.
  • Williams, Paul T.

Abstract

Biomass in the form of pine wood was pyrolysed in an externally heated fluidised bed pyrolysis reactor with nitrogen as the fluidising gas. A section of the freeboard of the reactor was packed with zeolite ZSM-5 catalyst. The pyrolysis oils before and after catalysis were collected in a series of condensers and cold traps. In addition, gases were analysed off-line by packed column gas chromatography. The composition of the oils and gases were determined before and after catalysis in relation to process conditions. The oils were analysed by liquid chromatography followed by gas chromatography/mass spectrometry. The results showed that the oils before catalysis were highly oxygenated, after catalysis the oils were markedly reduced in oxygenated species with an increase in aromatic species, producing a premium grade gasoline type fuel. The gases were CO2, CO, H2, CH4, C2H4 and C3H6 and minor concentrations of other hydrocarbon gases. After catalysis the concentration of CO2 and CO were increased. Detailed analysis of the upgraded oils showed that there were high concentrations of economically valuable chemicals. However, biologically active polycyclic aromatic species were also present in the catalysed oil, which increased with increasing catalyst temperature.

Suggested Citation

  • Horne, Patrick A. & Williams, Paul T., 1994. "Premium quality fuels and chemicals from the fluidised bed pyrolysis of biomass with zeolite catalyst upgrading," Renewable Energy, Elsevier, vol. 5(5), pages 810-812.
    • Handle: RePEc:eee:renene:v:5:y:1994:i:5:p:810-812
    DOI: 10.1016/0960-1481(94)90093-0
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    Cited by:

    1. Nurul Islam, Mohammad & Zailani, Ramlan & Nasir Ani, Farid, 1999. "Pyrolytic oil from fluidised bed pyrolysis of oil palm shell and itscharacterisation," Renewable Energy, Elsevier, vol. 17(1), pages 73-84.
    2. Eleni F. Iliopoulou & Kostas S. Triantafyllidis & Angelos A. Lappas, 2019. "Overview of catalytic upgrading of biomass pyrolysis vapors toward the production of fuels and high‐value chemicals," Wiley Interdisciplinary Reviews: Energy and Environment, Wiley Blackwell, vol. 8(1), January.
    3. Kan, Tao & Strezov, Vladimir & Evans, Tim & He, Jing & Kumar, Ravinder & Lu, Qiang, 2020. "Catalytic pyrolysis of lignocellulosic biomass: A review of variations in process factors and system structure," Renewable and Sustainable Energy Reviews, Elsevier, vol. 134(C).
    4. Nurul Islam, Mohammad & Nurul Islam, Mohammad & Rafiqul Alam Beg, Mohammad & Rofiqul Islam, Mohammad, 2005. "Pyrolytic oil from fixed bed pyrolysis of municipal solid waste and its characterization," Renewable Energy, Elsevier, vol. 30(3), pages 413-420.
    5. Liang, Jie & Shan, Guangcun & Sun, Yifei, 2021. "Catalytic fast pyrolysis of lignocellulosic biomass: Critical role of zeolite catalysts," Renewable and Sustainable Energy Reviews, Elsevier, vol. 139(C).
    6. Onarheim, Kristin & Hannula, Ilkka & Solantausta, Yrjö, 2020. "Hydrogen enhanced biofuels for transport via fast pyrolysis of biomass: A conceptual assessment," Energy, Elsevier, vol. 199(C).
    7. Dhyani, Vaibhav & Bhaskar, Thallada, 2018. "A comprehensive review on the pyrolysis of lignocellulosic biomass," Renewable Energy, Elsevier, vol. 129(PB), pages 695-716.

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