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A Novel Reusable Superhydrophilic NiO/Ni Mesh Produced by a Facile Fabrication Method for Oil/Water Separation

Abstract

There is a critical need to develop durable and reusable materials for oil-water separation, especially in harsh environments. Traditional anti-fouling mesh-based separation technologies are not reusable and limited by poor temperature resistance. Here we report a novel superhydrophilic and underwater superoleophobic NiO/Ni mesh which shows superior oil/water separation in harsh environments. With reusable and durable properties, that can separate different oil-water mixtures with and without sand and soil contaminates, with a >99% separation efficiency and up to 5.4 × 104 L m-2 h-1 permeate flux. The material is able to retain its superior performance for over the 20 cycles we measured and for mixtures of sticky oils, its performance is easily recoverable after a quick heat treatment. Our separation methodology is solely gravity-driven and consequently is expected to be highly energy-efficient. We anticipate that our separation methodology will have numerous applications, including the clean-up of oil spills, wastewater treatment and other harsh condition oil-water separations.

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Publication details

The article was received on 04 Mar 2017, accepted on 19 Apr 2017 and first published on 19 Apr 2017


Article type: Communication
DOI: 10.1039/C7TA01987D
Citation: J. Mater. Chem. A, 2017, Accepted Manuscript
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    A Novel Reusable Superhydrophilic NiO/Ni Mesh Produced by a Facile Fabrication Method for Oil/Water Separation

    Z. Yu, F. Y. Fei, Z. Gong, Q. Yao, S. X. Dou, K. Liu, L. Jiang and X. Wang, J. Mater. Chem. A, 2017, Accepted Manuscript , DOI: 10.1039/C7TA01987D

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