用于恶劣环境下油水分离的坚固超疏水超亲油网的制备

IF 2.7 4区 材料科学 Q3 CHEMISTRY, PHYSICAL
Yingya Zhai, Xinming Zhang, Xiaodong Yang, Shuwei Lv, Jinghe Zhao, Lei Bie, Feng Liu
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引用次数: 1

摘要

频繁的海上溢油和废弃含油污水排放对环境和经济造成严重危害。尽管设计了各种极端可湿性材料来实现油水分离,但仍然存在材料昂贵、含氟试剂、油水分离材料坚固性差等局限性。在这里,我们通过提出一种简单且低成本的喷砂电镀方法来解决上述问题,该方法使用Ni、P和1-十八烷硫醇改性来制造坚固的超疏水不锈钢网,用于在恶劣环境下分离含油水。该筛网可实现轻质和重质油水的分离,分离效率高,纯度高。它还可用于分离HCl溶液、NaOH溶液和NaCl溶液油,分离效率大于95%。此外,经过砂纸磨损、胶带剥离、模拟海水腐蚀和自然环境腐蚀试验,该筛网仍然具有超疏水性,并具有优异的油水分离效率。因此,本工作中提出的坚固的超疏水不锈钢网可以在恶劣环境中非常有效地分离油水。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fabrication of robust superhydrophobic-superoleophilic mesh for oil-water separation under harsh environment
Frequent oil spillage at sea and waste oily water draining cause severe harms to the environment and economy. Although various extreme wettable materials are designed to achieve oil-water separation, there are still limitations such as expensive materials, fluorine-containing reagents, and poor robustness of oil-water separating materials. Here, we resolved the above problems by proposing a simple and low-cost sandblasting plating method with Ni, P, and 1-octadecanethiol modification to manufacture a robust superhydrophobic stainless steel mesh for separating oily water under harsh environments. The mesh can achieve the light and heavy oily water with outstanding separating efficiency and high purity. It can be also used to separate HCl solution, NaOH solution, and NaCl solution-oil, with the separating efficiency larger than 95%. Moreover, the mesh still was superhydrophobic and had outstanding oil-water separating efficiency after sandpaper abrasion, tape stripping, simulated seawater corrosion, and natural environment corrosion tests. Therefore, the robust superhydrophobic stainless steel mesh proposed in this work can very efficiently separate oily water in harsh environments.
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来源期刊
Surface Innovations
Surface Innovations CHEMISTRY, PHYSICALMATERIALS SCIENCE, COAT-MATERIALS SCIENCE, COATINGS & FILMS
CiteScore
5.80
自引率
22.90%
发文量
66
期刊介绍: The material innovations on surfaces, combined with understanding and manipulation of physics and chemistry of functional surfaces and coatings, have exploded in the past decade at an incredibly rapid pace. Superhydrophobicity, superhydrophlicity, self-cleaning, self-healing, anti-fouling, anti-bacterial, etc., have become important fundamental topics of surface science research community driven by curiosity of physics, chemistry, and biology of interaction phenomenon at surfaces and their enormous potential in practical applications. Materials having controlled-functionality surfaces and coatings are important to the manufacturing of new products for environmental control, liquid manipulation, nanotechnological advances, biomedical engineering, pharmacy, biotechnology, and many others, and are part of the most promising technological innovations of the twenty-first century.
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