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    UV-Driven Antifouling Paper Fiber Membranes for Efficient Oil-Water Separation

    Year: 2019

    Journal: Ind. Eng. Chem. Res., Volume 58, APR 3, page 5186–5194

    Authors: Chen, Yangyang; Xie, Atian; Cui, Jiuyun; Lang, Jihui; Yan, Yongsheng; Li, Chunxiang; Dai, Jiangdong

    Organizations: National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21776110, 51608226]; Natural Science Foundation of Jiangsu ProvinceNatural Science Foundation of Jiangsu Province [BK20170532, BK20160501]

    Oil-water separation has received much attention worldwide due to increasing oily wastewater and frequent oil leak events. Herein, a superhydrophilic/underwater superoleophobic membrane (PF@PDA@TiO2) is synthesized by polydopamine (PDA) anchoring TiO2 nanowires on the surface of paper fibers (PF) via vacuum-assisted filtration technology for various efficient oil water separations. The oil contact angle underwater of PFg PDA@TiO2 is about 156 degrees revealing its favorable underwater superoleophobic property. Remarkably, the PF@PDA@TiO2 affords a high separation efficiency of 99%. More importantly, the PF@PDAg TiO2 displays ultraviolet-driven superior antifouling performance even after 80 cycles. We believe that the low cost and superior antifouling PF@PDA@TiO2 will provide a striking application in oil water separation.
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