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Abstract— <p>The photocatalytic activity of a suspension of titanium dioxide with fullerenol-70 in the decomposition of a microplastic has been studied. The efficiency of decomposition of various types of microplastics was determined based on the obtained results: the degradation after 1 day of experiment was 25 ± 12% for low-pressure polyethylene; 27 ± 3% for polyethylene terephthalate; 42 ± 8% for polystyrene; and 44 ± 21% for nylon. The resulting suspension of titania with fullerenol-70 is 1.9 times more efficient than a suspension of individual titania in the decomposition of high-density polyethylene and polyethylene terephthalate, three&#xa0;times more efficient in the decomposition of polystyrene, and 3.1 times more efficient in the decomposition of nylon.</p>

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Photocatalytic Decomposition of Microplastics with a Suspension of Titanium Dioxide Doped with Fullerenol-70

  • 期刊论文

  • 发表日期：

    2026年1月1日

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  • O. V. Rakhimova,
  • N. V. Smirnova,
  • E. A. Astashkov,
  • N. A. Kulenova,
  • M. A. Sadenova,
  • B. Azamatov,
  • N. A. Charykov,
  • D. G. Letenko

摘要

Abstract—

The photocatalytic activity of a suspension of titanium dioxide with fullerenol-70 in the decomposition of a microplastic has been studied. The efficiency of decomposition of various types of microplastics was determined based on the obtained results: the degradation after 1 day of experiment was 25 ± 12% for low-pressure polyethylene; 27 ± 3% for polyethylene terephthalate; 42 ± 8% for polystyrene; and 44 ± 21% for nylon. The resulting suspension of titania with fullerenol-70 is 1.9 times more efficient than a suspension of individual titania in the decomposition of high-density polyethylene and polyethylene terephthalate, three times more efficient in the decomposition of polystyrene, and 3.1 times more efficient in the decomposition of nylon.