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Thermal Effects during Biomass Torrefaction

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Abstract

A study of the thermal effects observed during the low-temperature pyrolysis of various types of pelletized biomass (sunflower husk, coniferous wood, litter-litter mass) is presented. It is shown that during sunflower husk torrefaction the greatest exothermic effect is observed and the possible reasons for its occurrence are explained. The influence of a small oxygen content in the heating medium on the exothermic effects during biomass torrefaction is analyzed. It has been suggested that the use of internal energy resources of the process (waste heat of exhaust gases and internal energy released in the process of biomass torrefaction) significantly increases the torrefaction process energy efficiency and allows to consider secondary biomass as a real competitor to traditional fuels, a substitute for fossil coal.

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Funding

The reported study was funded by RFBR according to the research project no. 18-08-00865.

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Authors and Affiliations

  1. Joint Institute for High Temperatures of the Russian Academy of Sciences (JIHT RAS), 125412, Moscow, Russia

    V. M. Zaichenko, A. Yu. Krylova, G. A. Sytchev & A. L. Shevchenko

Authors
  1. V. M. Zaichenko
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  2. A. Yu. Krylova
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  3. G. A. Sytchev
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  4. A. L. Shevchenko
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Corresponding authors

Correspondence to V. M. Zaichenko, A. Yu. Krylova, G. A. Sytchev or A. L. Shevchenko.

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Zaichenko, V.M., Krylova, A.Y., Sytchev, G.A. et al. Thermal Effects during Biomass Torrefaction. Solid Fuel Chem. 54, 228–231 (2020). https://doi.org/10.3103/S0361521920040084

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  • DOI: https://doi.org/10.3103/S0361521920040084

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