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Super-hydrophilic Poly(arylene ether nitrile) Nanofibrous Composite Membrane: Facile Strategy and Oil-water Emulsions Separation

  • PHYSICAL CHEMISTRY OF NANOCLUSTERS AND NANOMATERIALS
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Abstract

In this study, we developed the super-hydrophilic nanofibrous composite membrane for the highly efficient separation of various oil-in-water emulsions. To achieve this target, the acidified carbon nanotubes (AC-CNTs) intercalated graphene oxide (GO) were assembled onto electrospun poly(arylene ether nitrile) (PEN) nanofibrous mats via simple vacuum-assisted filtration. As obtained membrane was further modified by dopamine and KH550, thus enhancing the hydrophilicity and micro-/nano- rough structure of membrane surface. As a result, the constructed composite membrane exhibited super-hydrophilic property (water contact angle: ~0°) and high oil–water separation performance for various oil-in-water emulsions (separation flux: 191.7–384.8 L m–2 h–1 and rejection ratio: >94%). In addition, the hierarchical intercalation structure and super-wetting interface endowed the membrane with good anti-fouling performance. Therefore, this work provides an alternative way to construct super-hydrophilic nanofibrous composite membrane for the oily wastewater treatment.

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ACKNOWLEDGMENTS

This work was financially supported by open fund (PLN2020-18) of State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation (Southwest Petroleum University) and scientific research starting project of SWPU (2017QHZ014).

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Authors and Affiliations

  1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, 610500, Chengdu, Sichuan, P.R. of China

    Mi Zhou & Yingqing Zhan

  2. College of Chemistry and Chemical Engineering, Southwest Petroleum University, 610500, Chengdu, Sichuan, P.R. of China

    Mi Zhou, Yingqing Zhan, Xin Wen, Shuangjiang He & Jieming Zhang

  3. Research Institute of Industrial Hazardous Waste Disposal and Resource Utilization, Southwest Petroleum University, 610500, Chengdu, Sichuan, P.R. of China

    Yingqing Zhan

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  1. Mi Zhou
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  2. Yingqing Zhan
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  3. Xin Wen
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  4. Shuangjiang He
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  5. Jieming Zhang
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Correspondence to Yingqing Zhan.

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Zhou, M., Zhan, Y., Wen, X. et al. Super-hydrophilic Poly(arylene ether nitrile) Nanofibrous Composite Membrane: Facile Strategy and Oil-water Emulsions Separation. Russ. J. Phys. Chem. 95, 1682–1692 (2021). https://doi.org/10.1134/S0036024421080331

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  • DOI: https://doi.org/10.1134/S0036024421080331

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