Microchimica Acta

, 175:167 | Cite as

Preparation and evaluation of a novel surface-imprinted polymer for selective adsorption of dibenzothiophene

  • Wanzhen Xu
  • Wei Zhou
  • Weihong Huang
  • Jianming Pan
  • Hui Li
  • Xiangyang Wu
  • Yongsheng Yan
Original Paper

Abstract

We have prepared a novel surface molecular imprinted polymer (S-MIP) using dibenzothiophene (DBT) as the template molecule, 4-vinylpyridine as the functional monomer, and potassium hexatitanate whisker as the carrier. The S-MIP was characterized by Fourier transform infrared spectroscopy and and scanning electron microscopy. The kinetics and isotherms for the adsorption of DBT on the S-MIP followed pseudo-second-order and Freundlich models, respectively. Thermodynamic parameters were determined. The overall adsorption process was endothermic and spontaneous. Selectivity studies showed that the S-MIP selectively adsorbs DBT over its structural analogs and can be regenerated. Its adsorption capacity was still at 84.8% at the sixth cycle.

Figure

A novel surface molecular imprinted polymer was synthesized. The kinetics and isotherms for the adsorption of dibenzothiophene followed pseudo-second-order and Freundlich models, respectively. The adsorption process was endothermic and spontaneous. The adsorbent could selectively adsorb dibenzothiophene, and had the potentiality to be reused.

Keywords

Surface molecular imprinted polymer Dibenzothiophene Potassium hexatitanate whisker Adsorption 

Notes

Acknowledgements

This work was supported by the National Natural Science Fund (No. 20947003), China Postdoctoral Science Foundation (No. 20090461066), Jiangsu Planned Projects for Postdoctoral Research Funds of China (No. 0902056 C) and Senior Talent Foundation of Jiangsu University (No. 09JDG048).

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • Wanzhen Xu
    • 1
  • Wei Zhou
    • 1
  • Weihong Huang
    • 1
  • Jianming Pan
    • 2
  • Hui Li
    • 1
  • Xiangyang Wu
    • 1
  • Yongsheng Yan
    • 2
  1. 1.School of the EnvironmentJiangsu UniversityZhenjiangPeople’s Republic of China
  2. 2.School of Chemistry and Chemical EngineeringJiangsu UniversityZhenjiangPeople’s Republic of China

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