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Biochar is a solid, porous carbon material obtained from biomass through pyrolysis, a thermochemical process carried out under conditions of limited oxygen access (Youngsang et al. in BioRes_16_3_6512_Chun_LYK_Review_Recent_Biochar_Prodn_Biomass_Classif_Pyrol_18707, 2021 [1]; Varkolu et al. in Catalysts 15(3), 243, 2025 [2]). In practice, biochar is a type of charcoal of plant origin, produced from various organic raw materials, such as wood waste, straw and crop residues, animal manure, or sewage sludge (Tomczyk et al. in Rev. Environ. Sci. Biotechnol. 19(1):191–215, 2020 [3]). During pyrolysis, organic material is subjected to high temperatures (usually 300–700 °C) in an oxygen-free atmosphere, resulting in its decomposition into three fractions: gaseous (syngas), liquid (bio-oil), and solid (biochar) (Varkolu et al. in Catalysts 15(3), 243, 2025 [2]).

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Biochars

  • 章节

  • 发表日期：

    2025年

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  • Katarzyna Chojnacka,
  • Filip Gil,
  • Dawid Skrzypczak,
  • Grzegorz Izydorczyk

摘要

Biochar is a solid, porous carbon material obtained from biomass through pyrolysis, a thermochemical process carried out under conditions of limited oxygen access (Youngsang et al. in BioRes_16_3_6512_Chun_LYK_Review_Recent_Biochar_Prodn_Biomass_Classif_Pyrol_18707, 2021 [1]; Varkolu et al. in Catalysts 15(3), 243, 2025 [2]). In practice, biochar is a type of charcoal of plant origin, produced from various organic raw materials, such as wood waste, straw and crop residues, animal manure, or sewage sludge (Tomczyk et al. in Rev. Environ. Sci. Biotechnol. 19(1):191–215, 2020 [3]). During pyrolysis, organic material is subjected to high temperatures (usually 300–700 °C) in an oxygen-free atmosphere, resulting in its decomposition into three fractions: gaseous (syngas), liquid (bio-oil), and solid (biochar) (Varkolu et al. in Catalysts 15(3), 243, 2025 [2]).