Preparation of β-cyclodextrin/Fe3O4/polyvinylpyrrolidone composite magnetic microspheres for the adsorption of methyl orange

  • Qingbo Si
  • Qian Wen
  • Qingbiao Yang
  • Yan Song
  • Yaoxian Li
Article
  • 30 Downloads

Abstract

Magnetic microspherical β-cyclodextrin(CD)/Fe3O4@polyvinylpyrrolidone(PVP) particles, in which embedded Fe3O4 particles were coated by β-CD/glutaraldehyde crosslinked PVP, were synthesized via electrostatic spray and thermal crosslinking technologies. The magnetic microspheres were characterized by infrared spectroscopy, X-ray diffraction, scanning electron microscopy(SEM) and magnetic measurements, and the adsorption performance of the β-CD/Fe3O4@PVP composite nanoparticles for methyl orange was studied. The results show that the β-CD/Fe3O4@PVP microspheres could be quickly separated from the adsorption system under an external magnetic field within 30 s and that the adsorption capacity of the microspheres for methyl orange reaches greater than 90%, with a maximum adsorption quantity of 47.62 mg/g.

Keywords

Electrospray β-Cyclodextrin Adsorption Methyl orange Magnetic microsphere 

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Copyright information

© Jilin University, The Editorial Department of Chemical Research in Chinese Universities and Springer-Verlag GmbH Germany, part of Springer Nature 2017

Authors and Affiliations

  • Qingbo Si
    • 1
  • Qian Wen
    • 2
  • Qingbiao Yang
    • 2
  • Yan Song
    • 1
  • Yaoxian Li
    • 2
  1. 1.Department of Materials Science and EngineeringJilin Institute of Chemical TechnologyJilinP. R. China
  2. 2.College of ChemistryJilin UniversityChangchunP. R. China

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