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탁혜련,정영균,김효전,( Quoc Cuong Do ),강석태 한국공업화학회 2020 한국공업화학회 연구논문 초록집 Vol.2020 No.-
A residue of micropollutants in drinking water cause health problmes. However, conventional water treatment couldn’t mineralize it. To enhance the removal efficiency, ozone with ceramic membrane system is proposed. Moreover, the heterogeneous catalysts are introduced in the ozonation processes due to the increased production of hydroxyl radicals. In this study, we conducted the hybrid ozone-ceramic membrane process with V<sub>2</sub>O<sub>5</sub>-TiO<sub>2</sub> for the enhancement of removal of micropollutants. After V<sub>2</sub>O<sub>5</sub> was successfully coated on the membrane through filtration-coating method, the catalytic oxidation effect was evaluated in the presence of ozone. The hybrid system was conducted in the dead-end cell, 2 mg/L of dissolved ozone concentration, and 1 mg/L of 4 selected compounds. As a result, the hybrid system with V<sub>2</sub>O<sub>5</sub>-TiO<sub>2</sub> catalyst depicted higher removal rate than without catalyst due to the catalytic reaction between ozone and V<sub>2</sub>O<sub>5</sub> nanoparticles incorporated in the ceramic membrane.