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This study introduces a cost-effective, eco-friendly method for synthesizing zinc oxide nanoparticles (ZnONPsZnONPs) using plantain peel extract (PPE). CharacterizationCharacterization techniques revealed that the ZnONPsZnONPs exhibit a hexagonal wurtzite crystal structure with a predominant zincite phase. X-ray diffraction confirmed their crystalline nature, while Dynamic Light Scattering (DLS) showed an average particle size of 75.35 nm and a polydispersity index (PDI) of 0.45. Fourier Transform Infrared Spectroscopy (FTIR) identified key functional groups: OH, aromatic, and carboxylate. The biosynthesized ZnONPsZnONPs were applied to industrial paint effluentIndustrial paint effluent treatment using Response Surface MethodologyResponse surface methodology (RSM), which determined optimal conditions of pH 6.94, contact time of 74.79 min, and adsorbent dosage of 3.16 g/L, achieving a predicted contaminant removal efficiency of 40.90%. The study highlights the potential of plantain peel extract for green synthesis of ZnONPsZnONPs, offeringPlantain-peel extract effective contaminant removal from industrial effluents.

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Adsorptive Treatment of Paint Effluent Using Zinc Oxide Nanoparticles Synthesized from Plantain Peel Extract: A Green Chemistry Approach

  • 会议论文

  • 发表日期：

    2025年

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  • Adachukwu Nwaka Nkwor,
  • Cassandra Elurinma Iroroh,
  • Esther Uwidia Ikhuoria,
  • Ikhazuagbe Hilary Ifijen,
  • Clinton Aiyevbekpen Ehigie,
  • Ita Erebho Uwidia

摘要

This study introduces a cost-effective, eco-friendly method for synthesizing zinc oxide nanoparticles (ZnONPsZnONPs) using plantain peel extract (PPE). CharacterizationCharacterization techniques revealed that the ZnONPsZnONPs exhibit a hexagonal wurtzite crystal structure with a predominant zincite phase. X-ray diffraction confirmed their crystalline nature, while Dynamic Light Scattering (DLS) showed an average particle size of 75.35 nm and a polydispersity index (PDI) of 0.45. Fourier Transform Infrared Spectroscopy (FTIR) identified key functional groups: OH, aromatic, and carboxylate. The biosynthesized ZnONPsZnONPs were applied to industrial paint effluentIndustrial paint effluent treatment using Response Surface MethodologyResponse surface methodology (RSM), which determined optimal conditions of pH 6.94, contact time of 74.79 min, and adsorbent dosage of 3.16 g/L, achieving a predicted contaminant removal efficiency of 40.90%. The study highlights the potential of plantain peel extract for green synthesis of ZnONPsZnONPs, offeringPlantain-peel extract effective contaminant removal from industrial effluents.