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使用超疏水聚苯乙烯-二氧化硅涂覆的不锈钢网桶进行油水分离的简易方法。

A facile approach for oil-water separation using superhydrophobic polystyrene-silica coated stainless steel mesh bucket.

机构信息

College of Chemistry and Molecular Science, Henan University, Kaifeng 475004, China.

College of Chemistry and Molecular Science, Henan University, Kaifeng 475004, China; Self-cleaning Research Laboratory, Department of Physics, Vivekanand College (Autonomous), Affiliated to Shivaji University, Kolhapur 416 003, Maharashtra, India.

出版信息

Mar Pollut Bull. 2024 Jan;198:115790. doi: 10.1016/j.marpolbul.2023.115790. Epub 2023 Nov 25.


DOI:10.1016/j.marpolbul.2023.115790
PMID:38007872
Abstract

Inspired by traditional shaduf technology in the irrigation field, we fabricated a superhydrophobic stainless steel mesh bucket by layering polystyrene and SiO nanoparticles through a facile dip coating technique for effective oil-water separation. The superhydrophobic steel mesh bucket could effectively lift oil as well as microplastic pollutants from the water surface. The water contact angle of a two-layered polystyrene-silica coating was 158.5° ± 2°, while the oil contact angle was nearly 0°. The oil-water separation performance of superhydrophobic mesh was tested using several kinds of oil. The separation efficiency achieved for low viscous oil was 99.33 %, while 86.66 % efficiency was recorded for high viscous oil. The superhydrophobic mesh showed high durability against mechanical tests including bending, folding, twisting, adhesive tape tearing (25 cycles), and sandpaper abrasion (20 cycles). The mesh presented admirable thermal and chemical durability. The present superhydrophobic steel mesh bucket is a suitable candidate for large-scale application.

摘要

受灌溉领域传统 shaduf 技术的启发,我们通过简便的浸涂技术,将聚苯乙烯和 SiO2 纳米粒子分层,制备了超疏水不锈钢网桶,可有效实现油水分离。这种超疏水钢网桶可以有效地从水面提起油和微塑料污染物。双层聚苯乙烯-二氧化硅涂层的水接触角为 158.5°±2°,而油接触角接近 0°。我们使用多种油来测试超疏水网的油水分离性能。低粘性油的分离效率达到 99.33%,而高粘性油的分离效率达到 86.66%。超疏水网在包括弯曲、折叠、扭曲、胶带撕裂(25 次循环)和砂纸磨损(20 次循环)在内的机械测试中表现出了高耐用性。该网还具有出色的热稳定性和化学稳定性。目前,这种超疏水钢网桶是大规模应用的理想选择。

相似文献

[1]
A facile approach for oil-water separation using superhydrophobic polystyrene-silica coated stainless steel mesh bucket.

Mar Pollut Bull. 2024-1

[2]
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[3]
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[4]
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[5]
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[6]
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[7]
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[8]
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[9]
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[10]
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引用本文的文献

[1]
Design and Application of Superhydrophobic Magnetic Nanomaterials for Efficient Oil-Water Separation: A Critical Review.

Molecules. 2025-8-7

[2]
Development and Performance Study of Continuous Oil-Water Separation Device Based on Superhydrophobic/Oleophilic Mesh.

Nanomaterials (Basel). 2025-3-16

[3]
Micropatterned superhydrophobic meshes coated with low-cost carbon nanoparticles for efficient oil/water separation.

RSC Adv. 2024-6-27

[4]
The Design of PAN-Based Janus Membrane with Adjustable Asymmetric Wettability in Wastewater Purification.

Materials (Basel). 2024-1-14

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