Preparation of mesoporous silica nanoparticles molecularly imprinted polymer for efficient separation and enrichment of perfluorooctane sulfonate

As a persistent organic pollutant, perfluorooctane sulfonate has drawn a worldwide attention. In this contribution, a novel molecularly imprinted polymer based on mesoporous silica nanoparticles was prepared for efficient separation and enrichment of perfluorooctane sulfonate in water samples. The p...

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Bibliographic Details
Published in:Journal of separation science 2018-12, Vol.41 (23), p.4363-4369
Main Authors: Du, Lingling, Cheng, Zhen, Zhu, Panpan, Chen, Qian, Wu, Yongqiong, Tan, Kejun
Format: Article
Language:English
Subjects:
Adsorbates
Adsorbents
Adsorption
Desorption
Fish
Fourier transforms
mesoporous silica nanoparticles
molecularly imprinted polymers
Nanoparticles
Perfluoro compounds
perfluorooctane sulfonate
Polymers
Separation
separation enrichment
Silica
Silicon dioxide
specific adsorption
Transmission electron microscopy
X-ray diffraction
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Summary:As a persistent organic pollutant, perfluorooctane sulfonate has drawn a worldwide attention. In this contribution, a novel molecularly imprinted polymer based on mesoporous silica nanoparticles was prepared for efficient separation and enrichment of perfluorooctane sulfonate in water samples. The polymer was characterized by transmission electron microscopy, Fourier transform infrared spectroscopy, X‐ray diffraction, and N2 adsorption/desorption experiments. The static adsorption experiments and the adsorption kinetic tests were conducted. The results showed that the adsorbents had high adsorption capacity (21.10 mg/g) and short adsorption equilibration time (25 min). Meanwhile, the effect of mesoporous silica nanoparticles on the adsorption capacity was investigated. The results indicated that the mesoporous structure helped to increase the adsorption capacity of adsorbent to adsorbate. Besides, the adsorbents show good specificity and good reusability with the adsorption capacity of adsorbent toward perfluorooctane sulfonate decreasing
ISSN:1615-9306
1615-9314
DOI:10.1002/jssc.201800587