TiO2–GO has mostly been used as suspended particles in the
solution of batch reactors to remove water contaminants [24–29]. Although such suspended photocatalysts can ideally contact with contaminants in water and thus achieve the highest possible catalytic efficiency, the burden of separating TiO2–GO particles from the treated water afterwards may considerably increase the complexity, operation, and maintenance cost of the water treat- ment system. In order to circumvent the recovery of TiO2–GO particles but still retain their excellent photocatalytic properties, TiO2–GO can be immobilized in the matrix or on the surface of a water filtration membrane. It is expected that such an introduction of the photocatalytic process may affect various membrane prop- erties such as hydrophilicity, water permeability, contaminant rejection and photodegradation, and fouling resistance.
TiO2–GO has mostly been used as suspended particles in thesolution of batch reactors to remove water contaminants [24–29]. Although such suspended photocatalysts can ideally contact with contaminants in water and thus achieve the highest possible catalytic efficiency, the burden of separating TiO2–GO particles from the treated water afterwards may considerably increase the complexity, operation, and maintenance cost of the water treat- ment system. In order to circumvent the recovery of TiO2–GO particles but still retain their excellent photocatalytic properties, TiO2–GO can be immobilized in the matrix or on the surface of a water filtration membrane. It is expected that such an introduction of the photocatalytic process may affect various membrane prop- erties such as hydrophilicity, water permeability, contaminant rejection and photodegradation, and fouling resistance.
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