材料科学
聚丙烯腈
膜
乳状液
化学工程
静电纺丝
纳米纤维
聚苯胺
饮用水净化
纺纱
渗透
纳米技术
聚合物
复合材料
有机化学
聚合
化学
工程类
生物化学
作者
Tao Lü,Yankang Deng,Jiaxin Cui,Weiguo Cao,Qi-Xing Qu,Yulin Wang,Ranhua Xiong,Wenjing Ma,Jiandu Lei,Chaobo Huang
标识
DOI:10.1021/acsami.1c05667
摘要
With increasing water pollution and human health problems caused by oily wastewater, the fabrication of oil–water separation materials has become an urgent task. However, most of the reported materials have a single function and poor performance. In this paper, a multifunctional zinc oxide/polyaniline/polyacrylonitrile (ZnO/PANI/PAN) nanofibrous membrane with needle-like ZnO nanorods was prepared by in situ synthesis of PANI and a hydrothermal reaction on a highly stable self-standing PAN blow-spinning fibrous membrane. Due to the electronic synergistic effect of ZnO and PANI, the fibrous membrane exhibits excellent antibacterial activity and visible-light degradation ability of organic dyes. Moreover, the micro-/nanosized pores of the ZnO/PANI/PAN fibrous membranes also guarantee its excellent emulsion separation performance, including an ultrahigh surfactant-free emulsion permeate flux (∼8597.40 L/(m2 h)), ultrahigh surfactant-stabilized emulsion permeate flux (∼2253.50 L/(m2 h)), and excellent separation efficiency (above 99%). Furthermore, the composite membrane maintains stable underwater superoleophobicity and hydrophilicity under adverse conditions, shows good biological safety, and is harmless to the water environment. These excellent properties endow the ZnO/PANI/PAN nanofibrous membranes with great potential in treating oily wastewater.
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