Solution-blow spun PLA/SiO2 nanofiber membranes toward high efficiency oil/water separation

Beirong Ye; Chao Jia; Ziwei Li; Lei Li; Qiang Zhao; Jinshu Wang; Hui Wu

doi:10.1002/app.49103

Solution-blow spun PLA/SiO₂ nanofiber membranes toward high efficiency oil/water separation

Beirong Ye^*
, Chao Jia
, Ziwei Li
, Lei Li
, Qiang Zhao
, Jinshu Wang
, Hui Wu^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

54 Citations (Scopus)

Abstract

With the ever frequent of industrial organic solvent emissions and oil spillages, the development of high efficiency oil/water separation materials has attracted extensive attention. Here, PLA-based nanofiber membranes modified with metal oxides (SiO₂, TiO₂, Al₂O₃, and CeO₂) are fabricated through blow spinning the mixed solution of polylactic acid (PLA) and metal oxide nanoparticles (NPs). Results shows that the addition of SiO₂ NPs significantly increases the hydrophobicity of the membranes, while maintaining the excellent superoleophilicity. The PLA/SiO₂ nanofiber membranes demonstrate a higher separation performance than pure PLA, PLA/TiO₂, PLA/Al₂O₃, and PLA/CeO₂ nanofiber membranes with high separation efficiency (~100%) and permeation flux (17,800 L m⁻² h⁻¹ for n-heptane), as well as prominent oil adsorption capacity (19.9 g/g for n-hexane). The successful fabrication of metal oxides modified PLA nanofiber membranes with high separation and adsorption ability, and excellent durability hold great application potential in the field of oily wastewater treatment.

Original language	English
Article number	49103
Journal	Journal of Applied Polymer Science
Volume	137
Issue number	37
DOIs	https://doi.org/10.1002/app.49103
Publication status	Published - 5 Oct 2020
Externally published	Yes

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title = "Solution-blow spun PLA/SiO2 nanofiber membranes toward high efficiency oil/water separation",

abstract = "With the ever frequent of industrial organic solvent emissions and oil spillages, the development of high efficiency oil/water separation materials has attracted extensive attention. Here, PLA-based nanofiber membranes modified with metal oxides (SiO2, TiO2, Al2O3, and CeO2) are fabricated through blow spinning the mixed solution of polylactic acid (PLA) and metal oxide nanoparticles (NPs). Results shows that the addition of SiO2 NPs significantly increases the hydrophobicity of the membranes, while maintaining the excellent superoleophilicity. The PLA/SiO2 nanofiber membranes demonstrate a higher separation performance than pure PLA, PLA/TiO2, PLA/Al2O3, and PLA/CeO2 nanofiber membranes with high separation efficiency (\textasciitilde{}100\%) and permeation flux (17,800 L m−2 h−1 for n-heptane), as well as prominent oil adsorption capacity (19.9 g/g for n-hexane). The successful fabrication of metal oxides modified PLA nanofiber membranes with high separation and adsorption ability, and excellent durability hold great application potential in the field of oily wastewater treatment.",

author = "Beirong Ye and Chao Jia and Ziwei Li and Lei Li and Qiang Zhao and Jinshu Wang and Hui Wu",

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T1 - Solution-blow spun PLA/SiO2 nanofiber membranes toward high efficiency oil/water separation

AU - Ye, Beirong

AU - Jia, Chao

AU - Li, Ziwei

AU - Li, Lei

AU - Zhao, Qiang

AU - Wang, Jinshu

AU - Wu, Hui

PY - 2020/10/5

Y1 - 2020/10/5

N2 - With the ever frequent of industrial organic solvent emissions and oil spillages, the development of high efficiency oil/water separation materials has attracted extensive attention. Here, PLA-based nanofiber membranes modified with metal oxides (SiO2, TiO2, Al2O3, and CeO2) are fabricated through blow spinning the mixed solution of polylactic acid (PLA) and metal oxide nanoparticles (NPs). Results shows that the addition of SiO2 NPs significantly increases the hydrophobicity of the membranes, while maintaining the excellent superoleophilicity. The PLA/SiO2 nanofiber membranes demonstrate a higher separation performance than pure PLA, PLA/TiO2, PLA/Al2O3, and PLA/CeO2 nanofiber membranes with high separation efficiency (~100%) and permeation flux (17,800 L m−2 h−1 for n-heptane), as well as prominent oil adsorption capacity (19.9 g/g for n-hexane). The successful fabrication of metal oxides modified PLA nanofiber membranes with high separation and adsorption ability, and excellent durability hold great application potential in the field of oily wastewater treatment.

AB - With the ever frequent of industrial organic solvent emissions and oil spillages, the development of high efficiency oil/water separation materials has attracted extensive attention. Here, PLA-based nanofiber membranes modified with metal oxides (SiO2, TiO2, Al2O3, and CeO2) are fabricated through blow spinning the mixed solution of polylactic acid (PLA) and metal oxide nanoparticles (NPs). Results shows that the addition of SiO2 NPs significantly increases the hydrophobicity of the membranes, while maintaining the excellent superoleophilicity. The PLA/SiO2 nanofiber membranes demonstrate a higher separation performance than pure PLA, PLA/TiO2, PLA/Al2O3, and PLA/CeO2 nanofiber membranes with high separation efficiency (~100%) and permeation flux (17,800 L m−2 h−1 for n-heptane), as well as prominent oil adsorption capacity (19.9 g/g for n-hexane). The successful fabrication of metal oxides modified PLA nanofiber membranes with high separation and adsorption ability, and excellent durability hold great application potential in the field of oily wastewater treatment.

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DO - 10.1002/app.49103

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VL - 137

JO - Journal of Applied Polymer Science

JF - Journal of Applied Polymer Science

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M1 - 49103

ER -

Solution-blow spun PLA/SiO₂ nanofiber membranes toward high efficiency oil/water separation

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