Magnetic core supported ethyl acetate microdrops for organic contaminants removal from water

IF 10.4 1区工程技术 Q1 ENGINEERING, CHEMICAL

npj Clean Water Pub Date : 2024-09-27 DOI:10.1038/s41545-024-00379-6

Jia Lyu, Fengming Zhang, Ran Li, Jinlin Song, Qing Liu, Jinyu Liu, Hua Dong

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Abstract

Organic contaminants have increasingly become a main threat to the water environment, necessitating novel methods for removing from polluted water. In this study, a kind of magnetic ethyl acetate microdrops (Fe3O4@KCC-1@EA) is fabricated for this purpose The KCC-1 shell of Fe3O4@KCC-1 nanospheres is a layer of silica with a dendritic fibrous structure. The ethyl acetate shell of the Fe3O4@KCC-1@EA microdrops provides them with the properties of an organic solvent. While the magnetic core makes them magnetically manipulable. Adding Fe3O4@KCC-1@EA microdrops to bisphenol A-polluted water allows the contaminants to be extracted into the ethyl acetate shell. These microdrops, saturated with bisphenol A, are then easily separated from the water phase with an external magnetic field, achieving a removal rate of over 98%. Besides bisphenol A, the Fe3O4@KCC-1@EA microdrops could also be employed to remove other organic contaminants. This method could provide a new pathway for water purification from organic contaminants.

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用于去除水中有机污染物的磁芯支撑醋酸乙酯微滴

有机污染物已日益成为水环境的主要威胁，因此有必要采用新型方法去除污染水体中的有机污染物。本研究为此制作了一种磁性醋酸乙酯微滴（Fe3O4@KCC-1@EA）。Fe3O4@KCC-1@EA 微滴的乙酸乙酯外壳使其具有有机溶剂的特性。而磁芯则使其具有磁性可操作性。将 Fe3O4@KCC-1@EA 微滴加入受双酚 A 污染的水中，可将污染物提取到乙酸乙酯外壳中。这些被双酚 A 饱和的微滴在外加磁场的作用下很容易与水相分离，去除率超过 98%。除双酚 A 外，Fe3O4@KCC-1@EA 微滴还可用于去除其他有机污染物。这种方法可为净化水中的有机污染物提供一条新途径。

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来源期刊

npj Clean Water Environmental Science-Water Science and Technology

CiteScore

15.30

自引率

2.60%

发文量

审稿时长

5 weeks

期刊介绍： npj Clean Water publishes high-quality papers that report cutting-edge science, technology, applications, policies, and societal issues contributing to a more sustainable supply of clean water. The journal's publications may also support and accelerate the achievement of Sustainable Development Goal 6, which focuses on clean water and sanitation.