Abstract
A polymer-glass flat membrane was prepared using the phase inversion casting method and TiO2 was coated on the surface of the membranes. After drying and calcination, obtained membrane was used for the photocatalytic degradation of methylene blue. The membrane was characterized and the photocatalytic degradation of methylene blue by the membrane was investigated. The results showed that the membranes were uniformly coated without exfoliation. The membrane coated by three layers TiO2 sol exhibited the best photocatalytic degradation performance for methylene blue. Compared to the pristine membrane, the photocatalytic degradation effect of the coated membrane was effectively improved by up to 98.5%. Additionally, the membrane could be continuously recycled. After five cycles, the degree of photocatalytic removal of methylene blue remained 92%. Moreover, the membrane exhibited a good acid and alkali corrosion resistance. The membrane can be repeatedly used for the high efficiency photocatalytic removal of methylene blue.
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