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Magnetic recyclable microcomposite silica-steel core with TiO2 nanocomposite shell photocatalysts for sustainable water purification A Physicochemical and engineering aspects
- Wilson, M., Cheng, C.Y.C., Oswald, G., Srivastava, R., Beaumont, S.K., Badyal, J.P.S.
- Colloids and surfaces 2017 v.523 pp. 27-37
- magnetic separation, nanocomposites, photocatalysts, pollutants, silica, sol-gel processing, steel, titanium dioxide, ultraviolet radiation, water purification
- Micron-sized steel particles encapsulated within a silica host matrix and then coated with a photocatalytic TiO2 nanocomposite shell have been prepared using sol-gel chemistry and shown to readily degrade waterborne organic pollutants during UV illumination. These silica-steel microcomposite core with TiO2 nanocomposite shell photocatalysts can be recycled multiple times from solution by magnetic separation.