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A Versatile, Highly-effective Nanofibrous Separation Membrane

Abstract

Although a wide range of fibrous filters available for diverse filtration tasks to separate solid or oil particles from gas or liquid medium, a single filter seldom shows versatile separation capability to perform multi-separation tasks to separate both type of particles from different media. Herein, we report a novel nanofibrous membrane that can separate oil/water emulsions (e.g. efficiency over 99.9%) at a flux as high as 4082 L m-2 h-1 and oil mist aerosol (efficiency 99.98% for oil droplet size ~330 nm), solid aerosol particles from air (efficiency 85~99%) and micro-sized solid particles from water (efficiency>95%). The fibrous membrane is reusable to accomplish cross-medium filtration tasks. Such versatile, highly efficient separation capability is originated from the fine fibrous structure and an amphibious superhydrophilic-superoleophobic surface feature. It may be useful for development of advanced technology for various environmental protection applications.

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Supplementary files

Article information


Submitted
17 Nov 2019
Accepted
24 Dec 2019
First published
26 Dec 2019

Nanoscale, 2020, Accepted Manuscript
Article type
Communication

A Versatile, Highly-effective Nanofibrous Separation Membrane

H. Zhou, H. Niu, H. Wang, W. Yang, X. Wei, H. Shao and T. Lin, Nanoscale, 2020, Accepted Manuscript , DOI: 10.1039/C9NR09776G

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