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<p>The aim of this study was to assess the potential of the fungus <i>Phellinus linteus</i> in the biopulping process of <i>Pinus</i> sp. and <i>Eucalyptus</i> sp. woods chips. The physical and chemical properties of wood chips, their behavior during the Kraft pulping process, as well as the quality of the cellulose pulp and paper produced, were evaluated. Basic density, extractive content, and lignin content were lower in the biotreated wood chips compared to the control. <i>Eucalyptus</i> and <i>Pinus</i> woods treated with <i>Phellinus linteus</i> required less active alkali for cooking, with 20.8% active alkali for <i>Eucalyptus</i> and 21.1% for <i>Pinus</i>, respectively. A higher gross yield was observed in the treated <i>Eucalyptus</i> sp. chips, while <i>Pinus</i> sp. chips showed no significant difference compared to the control. Paper strength was greater in the biotreated <i>Eucalyptus</i>, whereas in <i>Pinus</i>, the untreated chips exhibited higher strength. The fungus <i>Phellinus linteus</i> shows potential for use in the biopulping process, with reduced chemical consumption and benefits in yield and paper quality.</p>

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The potential of the fungus Phellinus linteus (Berk. & M.A. Curt.) in wood biopulping of Eucalyptus sp. and Pinus sp.

  • 期刊论文

  • 发表日期：

    2025年12月11日

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  • Cíntia Gonçalves Escobar,
  • Flávia Alves Pereira,
  • Andréia Anschau,
  • Alan Sulato de Andrade,
  • Wescley Viana Evangelista

摘要

The aim of this study was to assess the potential of the fungus Phellinus linteus in the biopulping process of Pinus sp. and Eucalyptus sp. woods chips. The physical and chemical properties of wood chips, their behavior during the Kraft pulping process, as well as the quality of the cellulose pulp and paper produced, were evaluated. Basic density, extractive content, and lignin content were lower in the biotreated wood chips compared to the control. Eucalyptus and Pinus woods treated with Phellinus linteus required less active alkali for cooking, with 20.8% active alkali for Eucalyptus and 21.1% for Pinus, respectively. A higher gross yield was observed in the treated Eucalyptus sp. chips, while Pinus sp. chips showed no significant difference compared to the control. Paper strength was greater in the biotreated Eucalyptus, whereas in Pinus, the untreated chips exhibited higher strength. The fungus Phellinus linteus shows potential for use in the biopulping process, with reduced chemical consumption and benefits in yield and paper quality.