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<p>The effects of different accelerators—biochar (BC), zero-valent iron (Fe<sup>0</sup>), biochar-loaded zero-valent iron (BC/Fe<sup>0</sup>), lithium iron phosphate (LiFePO<sub>4</sub>), and biochar-loaded lithium iron phosphate (BC/LiFePO<sub>4</sub>)—on methane production during anaerobic digestion (AD) of the fallen leaves of Platanus orientalis Linn (FLPOL) in both liquid and solid–liquid mixed phases after hydrothermal treatment were investigated. The results showed that in the hydrothermal solid–liquid mixed-phase product AD experiment, the most effective promoter was Fe<sup>0</sup>, with a cumulative gas production of 252.3&#xa0;mL/g VS, a SCOD removal rate of 95%, and a methane yield of 159.9&#xa0;mL/g VS; In hydrothermal liquid-phase product AD experiments, the most effective promoter was LiFePO₄, with a cumulative gas production of 104.7&#xa0;mL/g VS, an SCOD removal rate of 90.9%, and a cumulative methane production of 64.2&#xa0;mL/g V.</p>

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Effect of Accelerators on Hydrothermal Anaerobic Digestion of Platanus Orientalis Linn Fallen Leaves

  • 期刊论文

  • 发表日期：

    2025年10月6日

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  • Hui Tan,
  • Hongyu Huo,
  • Jun Zhou,
  • Mingjing Li,
  • Jiahui Zhu,
  • Lei Gong,
  • Wenfeng Wang,
  • Ping Yang

摘要

The effects of different accelerators—biochar (BC), zero-valent iron (Fe0), biochar-loaded zero-valent iron (BC/Fe0), lithium iron phosphate (LiFePO4), and biochar-loaded lithium iron phosphate (BC/LiFePO4)—on methane production during anaerobic digestion (AD) of the fallen leaves of Platanus orientalis Linn (FLPOL) in both liquid and solid–liquid mixed phases after hydrothermal treatment were investigated. The results showed that in the hydrothermal solid–liquid mixed-phase product AD experiment, the most effective promoter was Fe0, with a cumulative gas production of 252.3 mL/g VS, a SCOD removal rate of 95%, and a methane yield of 159.9 mL/g VS; In hydrothermal liquid-phase product AD experiments, the most effective promoter was LiFePO₄, with a cumulative gas production of 104.7 mL/g VS, an SCOD removal rate of 90.9%, and a cumulative methane production of 64.2 mL/g V.