期刊
WATER AIR AND SOIL POLLUTION
卷 229, 期 3, 页码 -出版社
SPRINGER INTERNATIONAL PUBLISHING AG
DOI: 10.1007/s11270-018-3757-6
关键词
Graphene oxide; Halloysite nanotubes; Oil/water separation; Intercalation
资金
- National Natural Science Foundation of China [5140003]
- Anhui Provincial Natural Science Foundation [1508085QE105]
- Scientific Research Fund of Anhui Provincial Education Department [KJ2016A791, KJ2017A030]
- Anhui Province Institute of High Performance Rubber Materials and Products
- Anhui University
Graphene oxide (GO)-based membranes provide an encouraging opportunity for oil-in-water emulsion separation with high separation efficiency. In this work, novel hierarchically structured membrane consisting of GO and halloysite nanotubes (HNTs) was successfully fabricated by vacuum-assisted filtration method. XRD and TEM measurements showed the successful intercalation of HNTs into the interlayers of GO nanosheets. With the incorporation of the one-dimensional hollow tubular structure halloysite nanotubes, GO-HNTs(GOH) membrane possessed combined advantages of high oil rejection rate and excellent fouling resistance properties. The permeate fluxes increased from 286.6 L/(m(2)center dot h) for GO membrane to 716 L/(m(2)center dot h) for GOH membrane. The results indicate that the GOH membranes have great potential applications in water purification and wastewater treatment.
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