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Loofah-Derived Adsorbent Column for Sustainable Purification of Oily Fumes: Synergistic Effect of Filtration and Adsorption

Author

Listed:
  • Jiayi Zhong

    (College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
    Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China)

  • Bonian Zhou

    (College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
    Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China)

  • Lei Liao

    (College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
    Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China)

  • Aimiao Qin

    (College of Adsorbents Science and Engineering, Guilin University of Technology, Guilin 541004, China)

  • Shengpeng Mo

    (College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
    Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China)

  • Xiaobin Zhou

    (College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
    Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China)

  • Jianwen Wei

    (College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
    Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China)

  • Hongqiang Wang

    (College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
    Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China)

  • Yinming Fan

    (College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
    Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China)

  • Huan Zhang

    (College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
    Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China)

Abstract

Loofah is deemed a promising candidate for the purification of oily fumes. Our research utilized H 3 PO 4 for initial activation of loofah (TCS), producing loofahderived carbon (TGSC-0). Subsequently, Fenton’s reagent was utilized for further modification to yield loofah-derived carbon (TGSC-1). TGSC-1 was used in the form of an adsorption column to simultaneously treat multiple pollutants from oily fumes, with surface Fe 3+ , Fe 2+ , and H 2 O 2 catalyzing ·OH and ·OOH generation to enhance adsorption of the oils and non-methane hydrocarbon (NMHC). Characterization showed that the specific surface area of TGSC-1 was 427.97 m 2 /g and pore sizes ranged from 0.50 to 3.50 nm. The rich mesoporous and macroporous structures of TGSC-1 enhanced the capability of carbon layer adsorption. Langmuir adsorption kinetics suggested that adsorption proceeded via monolayer adsorption pathways, while L-τ lines revealed shorter protective effect times for adsorbing PM 10 and PM 2.5 than for oils and NMHC. The results indicated that TGSC-1 exhibited maximum saturated adsorption capacities of 25.79, 13.02, 9.82, and 15.99 mg/g for oils, NMHC, PM 2.5 , and PM 10 , respectively. Increasing resistance of the adsorption column exhibited a notable synergistic effect of filtration and adsorption in treating oily fumes. It combines renewable materials with low-energy processing, delivering eco-economic benefits for sustainable development and application.

Suggested Citation

  • Jiayi Zhong & Bonian Zhou & Lei Liao & Aimiao Qin & Shengpeng Mo & Xiaobin Zhou & Jianwen Wei & Hongqiang Wang & Yinming Fan & Huan Zhang, 2025. "Loofah-Derived Adsorbent Column for Sustainable Purification of Oily Fumes: Synergistic Effect of Filtration and Adsorption," Sustainability, MDPI, vol. 17(9), pages 1-22, April.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:9:p:4079-:d:1647327
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    References listed on IDEAS

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    1. Luis Miguel Fonseca & José Pedro Domingues & Alina Mihaela Dima, 2020. "Mapping the Sustainable Development Goals Relationships," Sustainability, MDPI, vol. 12(8), pages 1-15, April.
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