• 文献标题:   Greatly Improved Oil-in-Water Emulsion Separation Properties of Graphene Oxide Membrane upon Compositing with Halloysite Nanotubes
  • 文献类型:   Article
  • 作  者:   ZHU Y, CHEN PP, NIE WY, ZHOU YF
  • 作者关键词:   graphene oxide, halloysite nanotube, oil/water separation, intercalation
  • 出版物名称:   WATER AIR SOIL POLLUTION
  • ISSN:   0049-6979 EI 1573-2932
  • 通讯作者地址:   Anhui Univ
  • 被引频次:   3
  • DOI:   10.1007/s11270-018-3757-6
  • 出版年:   2018

▎ 摘  要

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.