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<p>Textile industry effluents pose significant threat to environment and ecosystem, particularly due to the presence of recalcitrant and toxic compounds in treated/untreated streams. In this context, the present study focuses on investigating the potential of silver-doped <i>Moringa oleifera</i> seed- mediated nanoparticles for the removal of methylene blue dye from synthetic solution. The seeds of <i>Moringa oleifera</i> (MO), a well-known plant for its diverse applications, were used for the synthesis of silver doped nanoparticles (MOS-Ag-NPs). The synthesized MOS-Ag-NPs were further characterized using selected approaches i.e., point of zero charge (pH<sub>zpc</sub>) analysis, ultraviolet-visible (UV-Vis) spectroscopy, scanning electron microscopy (SEM) analysis, and fourier transform infrared spectroscopy (FTIR). These characterizations confirmed the synthesis of nanoparticles in terms of morphology, functional properties, and adsorption behaviour. Consequently, the potential of synthesized MOS-Ag-NPs was investigated for the removal of methylene blue dye from synthetic aqueous solution. The key operational parameters including solution pH, nanoparticle dosage, and contact time were optimized using a series of experiments. The results revealed the optimum conditions as pH, 9; nanoparticle dosage, 3.5&#xa0;g/L; and contact time, 60&#xa0;min. At optimized conditions, the potential of MOS-Ag-NPs was also evaluated against actual textile industry effluent to explore the practical applicability of this method. Overall, the results of this study suggest that MOS-Ag-NPs have notable potential for the remediation of dye-laden wastewater, and this green approach may be helpful in the treatment of dyes or similar compounds present in aqueous stream.</p>

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Parametric optimization of green synthesized Moringa oleifera seed mediated silver nanoparticles for dye effluent treatment

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月8日

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  • Jitesh B. Joshi,
  • Nitin Kumar Singh

摘要

Textile industry effluents pose significant threat to environment and ecosystem, particularly due to the presence of recalcitrant and toxic compounds in treated/untreated streams. In this context, the present study focuses on investigating the potential of silver-doped Moringa oleifera seed- mediated nanoparticles for the removal of methylene blue dye from synthetic solution. The seeds of Moringa oleifera (MO), a well-known plant for its diverse applications, were used for the synthesis of silver doped nanoparticles (MOS-Ag-NPs). The synthesized MOS-Ag-NPs were further characterized using selected approaches i.e., point of zero charge (pHzpc) analysis, ultraviolet-visible (UV-Vis) spectroscopy, scanning electron microscopy (SEM) analysis, and fourier transform infrared spectroscopy (FTIR). These characterizations confirmed the synthesis of nanoparticles in terms of morphology, functional properties, and adsorption behaviour. Consequently, the potential of synthesized MOS-Ag-NPs was investigated for the removal of methylene blue dye from synthetic aqueous solution. The key operational parameters including solution pH, nanoparticle dosage, and contact time were optimized using a series of experiments. The results revealed the optimum conditions as pH, 9; nanoparticle dosage, 3.5 g/L; and contact time, 60 min. At optimized conditions, the potential of MOS-Ag-NPs was also evaluated against actual textile industry effluent to explore the practical applicability of this method. Overall, the results of this study suggest that MOS-Ag-NPs have notable potential for the remediation of dye-laden wastewater, and this green approach may be helpful in the treatment of dyes or similar compounds present in aqueous stream.