Fabrication of magnetic functionalised calix[4]arene composite for highly efficient and selective adsorption towards uranium(VI)

  • Fang Zhu Xiao
  • , Cheng Wang
  • , Li Mei Yu
  • , Yi Qiu Pu
  • , Yu Li Xu
  • , Kang Zhang
  • , Jia Qi Luo
  • , Qi Qi Zhu
  • , Fang Chen
  • , Yong Liu
  • , Chun Hsing Ho
  • , Guo Wen Peng
  • , Shu Ya He

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

A magnetic functionalised calix[4]arene composite consisting of Fe3O4 and calix[4]arene phosphonate derivative (CPD) was prepared through a facile self-assembly method. The composite was characterised by scanning electron microscopy (SEM), powder X-ray diffraction (PXRD) and Fourier transform infrared spectroscopy (FTIR). The as-synthesised Fe3O4/CPD composite was used to remove UVI from aqueous solutions under different conditions. Meanwhile, the adsorption isotherm, kinetics and thermodynamics were fitted and analysed. The results show that the Fe3O4/CPD composite may be a promising adsorption material for the separation and enrichment of UVI from aqueous solutions in the cleanup of environmental pollution.

Original languageEnglish (US)
Pages (from-to)577-586
Number of pages10
JournalEnvironmental Chemistry
Volume16
Issue number8
DOIs
StatePublished - 2019

Keywords

  • FeO
  • calixarene
  • magnetic materials
  • separation

ASJC Scopus subject areas

  • Chemistry (miscellaneous)
  • Environmental Chemistry
  • Geochemistry and Petrology

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