Janus membrane with asymmetric wettability for efficient oil/water separation
© 2023 Published by Elsevier Ltd..
The rapid development of society and industry as well as the frequent occurrence of oil spills cause the shortage of fresh water resources, which not only affects human safety and life, but also impedes the world-wide sustainable development. To address these challenges, novel membrane materials with unique wettability properties have gained significant attention, particularly in the field of oil/water separation. In this research, we modified the hydrophobic PET fabric to achieve superhydrophilic characteristics using impregnation method. Subsequently, we electrospun hydrophobic PVDF fibers onto the superhydrophilic fabric surface, and PVDF/Ca10(PO4)6(OH)2PET Janus membrane with asymmetric wettability was obtained. The membrane has an excellent unidirectional liquid transport capacity, and can effectively separate heavy oil or light oil, the separation efficiency is more than 90 %. The results also show that the Janus membrane can be used under alkaline conditions and has satisfactory tensile resistance and re-use performance. This work provides a new idea for Janus membrane design and effectively improves the application potential of the Janus membrane in the field of oil/water separation.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:9 |
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| Enthalten in: |
Heliyon - 9(2023), 12 vom: 19. Dez., Seite e22534 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Tian, Boyang [VerfasserIn] |
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| Links: |
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| Themen: |
Electrospinning |
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| Anmerkungen: |
Date Revised 11.12.2023 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.heliyon.2023.e22534 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a The rapid development of society and industry as well as the frequent occurrence of oil spills cause the shortage of fresh water resources, which not only affects human safety and life, but also impedes the world-wide sustainable development. To address these challenges, novel membrane materials with unique wettability properties have gained significant attention, particularly in the field of oil/water separation. In this research, we modified the hydrophobic PET fabric to achieve superhydrophilic characteristics using impregnation method. Subsequently, we electrospun hydrophobic PVDF fibers onto the superhydrophilic fabric surface, and PVDF/Ca10(PO4)6(OH)2PET Janus membrane with asymmetric wettability was obtained. The membrane has an excellent unidirectional liquid transport capacity, and can effectively separate heavy oil or light oil, the separation efficiency is more than 90 %. The results also show that the Janus membrane can be used under alkaline conditions and has satisfactory tensile resistance and re-use performance. This work provides a new idea for Janus membrane design and effectively improves the application potential of the Janus membrane in the field of oil/water separation | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a Hydrophobic/Superhydrophilic | |
| 650 | 4 | |a Janus membrane | |
| 650 | 4 | |a Oil/Water separation | |
| 650 | 4 | |a Underwater oleophobic | |
| 700 | 1 | |a Ren, Baona |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Miaomiao |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Yiwen |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Jing |e verfasserin |4 aut | |
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