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<p>Quantity and quality of freshwater are deteriorating over time as a result of human activity. Contaminated water filtration with conventional filters needs a disinfection step, which needs the addition of chemicals; in the case of chlorination, it can leave behind pathogens and by products too, and with advanced filters, the pH and minerals of the water might alter. This study investigated the applicability of hybrid Ultrafiltration (UF) units to drinking water treatment plants. To achieve the target, water coming from the sedimentation tank in the treatment plant was passed through the unit. Performance experiments were conducted using a pilot-scale polysulfone UF unit with a candle arrangement of membrane in dead-end filtration mode. Removal efficiency of unit for surface water, performance comparison with conventional filters, prediction of fouling trends, and optimization of operational parameters were studied. Turbidity and total coliform removal through the UF unit were 95.32% and 99.99%, respectively, and performance of other parameters was also better than conventional filters. It was found from feature importance analysis that feed flow rate and transmembrane pressure (TMP) should be at their optimal point for better performance in the hybrid UF unit.</p>

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Pilot-scale assessment of ultrafiltration unit in dead-end mode for drinking water treatment: performance analysis and fouling prediction

  • 期刊论文

  • 发表日期：

    2026年6月16日

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  • Deeksha Katiyar,
  • Pradip K. Tewari,
  • Vikky Anand

摘要

Quantity and quality of freshwater are deteriorating over time as a result of human activity. Contaminated water filtration with conventional filters needs a disinfection step, which needs the addition of chemicals; in the case of chlorination, it can leave behind pathogens and by products too, and with advanced filters, the pH and minerals of the water might alter. This study investigated the applicability of hybrid Ultrafiltration (UF) units to drinking water treatment plants. To achieve the target, water coming from the sedimentation tank in the treatment plant was passed through the unit. Performance experiments were conducted using a pilot-scale polysulfone UF unit with a candle arrangement of membrane in dead-end filtration mode. Removal efficiency of unit for surface water, performance comparison with conventional filters, prediction of fouling trends, and optimization of operational parameters were studied. Turbidity and total coliform removal through the UF unit were 95.32% and 99.99%, respectively, and performance of other parameters was also better than conventional filters. It was found from feature importance analysis that feed flow rate and transmembrane pressure (TMP) should be at their optimal point for better performance in the hybrid UF unit.