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Fly ash is a cost-effective alternative for preparing ceramic membranes but they are often weak for practical use. We have made different mixtures by taking different compositions of polyvinyl alcohol to improve mechanical strength at the same time preserving permeability. We tested 3 PVA concentrations from which sintered 10 ppm PVA solution treated at 1100 °C demonstrated optimal characteristics, featuring Lh (water permeability coefficient) of 9.19 × 10–6 (m3/m2 s kPa), 39% porosity, pore size of 1.029 µm, a flexural strength of 40 MPa, and testing with oil-in-water emulsions revealed a rejection rate exceeding 98%.

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Preparation, Characterization and Application of Mixed Clay Based Low-Cost Ceramic Membrane in Treatment of Oil-In-Water Emulsions

  • 会议论文

  • 发表日期：

    2025年

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  • Kanchapogu Suresh,
  • Amish Gour,
  • Mukesh Kumar Yadav,
  • Vidhi Jani

摘要

Fly ash is a cost-effective alternative for preparing ceramic membranes but they are often weak for practical use. We have made different mixtures by taking different compositions of polyvinyl alcohol to improve mechanical strength at the same time preserving permeability. We tested 3 PVA concentrations from which sintered 10 ppm PVA solution treated at 1100 °C demonstrated optimal characteristics, featuring Lh (water permeability coefficient) of 9.19 × 10–6 (m3/m2 s kPa), 39% porosity, pore size of 1.029 µm, a flexural strength of 40 MPa, and testing with oil-in-water emulsions revealed a rejection rate exceeding 98%.