A novel reusable superhydrophilic NiO/Ni mesh produced by a facile fabrication method for superior oil/water separation
文献类型： 外文期刊
作者： Yu, Zhenwei 1 ; Yun, Frank F. 1 ; Gong, Zhiyuan 2 ; Yao, Qiang 2 ; Dou, Shixue 1 ; Liu, Kesong 3 ; Jiang, Lei 3 ; Wang, X 1 ;
作者机构： 1.Univ Wollongong, Inst Superconducting & Elect Mat, Australian Inst Innovat Mat, Wollongong, NSW 2500, Australia
2.Shandong Acad Agr Sci, Inst Agr Resources & Environm, Jinan 250100, Peoples R China
3.Beihang Univ, Key Lab Bioinspired Smart Interfacial Sci & Techn, Minist Educ, Sch Chem & Environm, Beijing 100191, Peoples R China
4.Chinese Acad Sci, Lab Bioinspired Smart Interfacial Sci, Tech Inst Phys & Chem, Beijing 100190, Peoples R China
期刊名称：JOURNAL OF MATERIALS CHEMISTRY A （ 影响因子：12.732； 五年影响因子：11.995 ）
ISSN： 2050-7488
年卷期： 2017 年 5 卷 22 期
页码：
收录情况： SCI
摘要： There is a critical need to develop durable and reusable materials for oil-water separation, especially in harsh environments. Traditional antifouling 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 contaminants, a >99% separation efficiency and up to 5.4 x 10(4) L m(-2) h(-1) permeate flux. The material is able to retain its superior performance 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 in the clean-up of oil spills, wastewater treatment and other harsh condition oil-water separations.
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