光催化复合超滤膜的制备与催化性能

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Abstract The visible-light responsive photocatalytic composite ultrafiltration membranes were prepared by L-S phase inversion method, where polysulfone (PSF) was used as membrane material and the hydrophilic Fe-doped TiO₂ nanoparticles were additive. In addition, surface morphology, surface functional groups, hydrophilicity, ultrafiltration performance, mechanical property, thermal stability and photocatalytic performance were separately analyzed to explore the influences of Fe-TiO₂ on the composite membrane. The results showed that when the mass ratio of Fe-TiO₂ and PSF was 0.20, the RhB removal rate of Fe-TiO₂/PSF composite membrane (61%) was evidently higher than that of pure PSF membrane (33%). By adding photocatalyst, the composite membrane could possess response under simulated solar irradiation. Meanwhile, a certain amount of catalyst could improve the physical and chemical properties of PSF membrane, which broadens its application field.

Key words： photocatalysis ultrafiltration membrane Fe-TiO₂ polysulfone

Received: 09 May 2017

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	Articles by authors
	YANG Chun-yan
	WANG Qiao
	ZHANG Guang-shan
	WANG Peng

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YANG Chun-yan,WANG Qiao,ZHANG Guang-shan等. Preparation of photocatalytic composite ultrafiltration membrane and its properties under simulated solar irradiation[J]. CHINA ENVIRONMENTAL SCIENCECE, 2017, 37(12): 4564-4570.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2017/V37/I12/4564

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