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<p>The advantages of the biofuel torrefaction method as a promising method of preliminary thermochemical treatment of solid biomass-based fuels for improving their performance characteristics are shown. The results of wood chips and peat torrefaction in a nitrogen atmosphere are presented. During peat torrefaction, a significant effect of its self-heating was observed. The obtained samples of torrefied biofuel were gasified in a superadiabatic reactor. A comparison analysis of the gasification characteristics for the original (untreated) chips and torrefied chips is carried out. Data on the composition of gas-phase gasification products and nitrogen oxide concentration obtained using electrochemical gas analyzers are presented. Using a comparative analysis of the composition of liquid-phase gasification products, the fact of a relatively greater presence of heavier organic components in the condensate during gasification of torrefied chips is established by the mass spectrometry method. The data obtained confirm the potential of the combined use of the methods of torrefaction and gasification of biofuel mixtures in a superadiabatic regime as an energy-efficient and environmentally friendly method of processing and recycling municipal waste, as well as of forestry, agricultural and industrial production.</p>

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Research on Torrefaction of Biofuel and its Gasification in a Superadiabatic Regime

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • N. M. Gorbachev,
  • S. I. Futko,
  • A. V. Vlasov,
  • M. I. Rusakevich,
  • I. A. Koznacheev,
  • D. S. Makarenko,
  • T. N. Bochko

摘要

The advantages of the biofuel torrefaction method as a promising method of preliminary thermochemical treatment of solid biomass-based fuels for improving their performance characteristics are shown. The results of wood chips and peat torrefaction in a nitrogen atmosphere are presented. During peat torrefaction, a significant effect of its self-heating was observed. The obtained samples of torrefied biofuel were gasified in a superadiabatic reactor. A comparison analysis of the gasification characteristics for the original (untreated) chips and torrefied chips is carried out. Data on the composition of gas-phase gasification products and nitrogen oxide concentration obtained using electrochemical gas analyzers are presented. Using a comparative analysis of the composition of liquid-phase gasification products, the fact of a relatively greater presence of heavier organic components in the condensate during gasification of torrefied chips is established by the mass spectrometry method. The data obtained confirm the potential of the combined use of the methods of torrefaction and gasification of biofuel mixtures in a superadiabatic regime as an energy-efficient and environmentally friendly method of processing and recycling municipal waste, as well as of forestry, agricultural and industrial production.