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Production and characterization of bio-oil from fluidized bed pyrolysis of olive stones, pinewood, and torrefied feedstock

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journal contribution
posted on 2023-02-17, 08:57 authored by Anna TrubetskayaAnna Trubetskaya, Lukas von Berg, Robert Johnson, SEAN MOORESEAN MOORE, JAMES J LEAHYJAMES J LEAHY, Yinglin Han, Heiko Lange, Andres Anca-Couce

Advancements in fluidized bed pyrolysis mechanisms and analytical methodologies are critical for progress in the  biorefinery sector in general and the aviation fuel sector in particular. The statistical modelling of pyrolysis  product yields and composition allowed us to observe advantages of operating temperature and feedstock selections over the torrefaction process and catalyst addition in a fluidized bed reactor. Results suggest that the  chemical composition and physical properties of bio-oil from pyrolysis of olive stones at 600◦C and pinewood  pellets at 500◦C are the most suitable for use as fuels. This work suggests that only combined use of selected gas  chromatography mass spectroscopy, UV fluorescence, nuclear magnetic resonance spectroscopy, and rheology  can provide comprehensive information on pyrolysis bio-oil composition. Importantly from a technological point  of view, bio-oil was characterized i) by a viscosity similar to that of fossil-based oil; ii) by a low oxygen and water  content; and iii) by a balanced composition of aliphatic and aromatic species. These factors indicate that bio-oil  from fluidized bed pyrolysis of biomasses is a promising material for use in the aviation industry and energy  production.  


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Journal of Analytical and Applied Pyrolysis 169, 105841



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  • Chemical Sciences
  • School of Engineering

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