Article

Journal of Radioanalytical and Nuclear Chemistry

, Volume 295, Issue 1, pp 265-270

Study on adsorption of Th(IV) using surface modified dibenzoylmethane molecular imprinted polymer

  • X. Z. JiAffiliated withCollege of Chemistry and Chemical Engineering, University of South China Email author 
  • , H. J. LiuAffiliated withCollege of Chemistry and Chemical Engineering, University of South China
  • , L. L. WangAffiliated withCollege of Chemistry and Chemical Engineering, University of South China
  • , Y. K. SunAffiliated withCollege of Chemistry and Chemical Engineering, University of South China
  • , Y. W. WuAffiliated withCollege of Chemistry and Chemical Engineering, University of South China

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Abstract

The adsorption of Th(IV) was studied using a novel dibenzoylmethane molecular imprinted polymers, which was prepared using acryloyl-β-cyclodextrin as a monomer on surface modified functional silica gel. X-ray photoelectron spectroscopy and FTIR were employed to confirm the reliability of the synthetic polymer. Scanning electron microscope was used to analyze the surface properties of the experimental materials. UV-spectrophotometer was employed to investigate the adsorption property and the concentration of Th(IV). Adsorption kinetics and adsorption isotherm were carried out. In pH 3.5, the adsorption equilibrium could reach a balance in 45 min, the resultant adsorbing capacity was 30.8 mg g−1, and the remove ratio of Th(IV) was 88.1 %.

Keywords

Th(IV) Dibenzoylmethane Molecular imprinting polymer Adsorption