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<p>The increasing demand for clean water necessitates advancements in membrane technology, particularly in mitigating biofouling, which reduces efficiency and increases operational costs. This study optimizes the fabrication parameters of cellulose acetate membranes impregnated with <i>Moringa oleifera</i> seed powder, a natural antibacterial agent, using the Taguchi method. Key fabrication variables—solvent type (DMF, DMAC, DMSO), <i>Moringa oleifera</i> concentration (0.5%, 0.75%, 1%), and membrane casting thickness (0.2&#xa0;mm, 0.3&#xa0;mm, 0.4&#xa0;mm)—were analyzed to enhance mechanical strength, hydrophilicity, pore size, and water permeability. Results indicate that DMF as the solvent, a 0.75% <i>Moringa oleifera</i> concentration, and a 0.4&#xa0;mm casting thickness yielded the most balanced membrane properties, ensuring improved antifouling resistance and water permeability. FTIR analysis confirmed the integration of <i>Moringa oleifera</i> phenolic compounds, enhancing antimicrobial functionality. Statistical optimization through ANOVA validated the significant impact of fabrication parameters on membrane performance. The findings highlight the potential of incorporating natural antibacterial agents in membranes to improve sustainability in water treatment applications. This study advances bio-based membrane technology, offering an environmentally friendly alternative to conventional antifouling strategies.</p>

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Optimization of cellulose acetate membranes impregnated with natural phenolic particles using Taguchi analysis for fouling mitigation

  • 期刊论文

  • 发表日期：

    2025年4月17日

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  • Gita Anggia Puspita,
  • Ni’matul Izza,
  • Thanitporn Narkkun,
  • Kajornsak Faungnawakij,
  • Muhammad Roil Bilad,
  • Bambang Dwi Argo,
  • Yusuf Wibisono

摘要

The increasing demand for clean water necessitates advancements in membrane technology, particularly in mitigating biofouling, which reduces efficiency and increases operational costs. This study optimizes the fabrication parameters of cellulose acetate membranes impregnated with Moringa oleifera seed powder, a natural antibacterial agent, using the Taguchi method. Key fabrication variables—solvent type (DMF, DMAC, DMSO), Moringa oleifera concentration (0.5%, 0.75%, 1%), and membrane casting thickness (0.2 mm, 0.3 mm, 0.4 mm)—were analyzed to enhance mechanical strength, hydrophilicity, pore size, and water permeability. Results indicate that DMF as the solvent, a 0.75% Moringa oleifera concentration, and a 0.4 mm casting thickness yielded the most balanced membrane properties, ensuring improved antifouling resistance and water permeability. FTIR analysis confirmed the integration of Moringa oleifera phenolic compounds, enhancing antimicrobial functionality. Statistical optimization through ANOVA validated the significant impact of fabrication parameters on membrane performance. The findings highlight the potential of incorporating natural antibacterial agents in membranes to improve sustainability in water treatment applications. This study advances bio-based membrane technology, offering an environmentally friendly alternative to conventional antifouling strategies.