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Reference type: Journal
Authors: Yang YZ, Liu XG, Guo MC, Li S, Liu WF, Xu BS
Article Title: Molecularly imprinted polymer on carbon microsphere surfaces for adsorbing dibenzothiophene.
Publication date: 2011
Journal: Colloids and Surfaces A: Physicochemical and Engineering Aspects
Volume: 377
Issue: (1-3)
Page numbers: 379-385.
DOI: 10.1016/j.colsurfa.2011.01.032
Alternative URL: http://www.sciencedirect.com/science/article/B6TFR-5230PPY-2/2/553ae62d064e8619f7f9ac11cc46d99a

Abstract: The molecularly imprinted polymer (MIP) on the surface of carbon microspheres (CMSs), which were modified by acid and silylation treatment, was obtained by using dibenzothiophene (DBT) as template, methacrylic acid as functional monomer, ethylene glycol dimethacrylate as cross-linking agent and azoisobutyronitrile as initiator. Field emission scanning electron microscopy, Fourier transformation infrared spectroscopy and thermogravimetry were used to characterize the structure and morphology of the MIP-CMSs. The adsorption isotherm and kinetics of DBT on MIP-CMSs were investigated. The preliminary results show that MIP-CMSs possessed good recognition toward DBT, that is, the adsorption equilibrium time was about 5h and the equilibrium adsorption amount was 0.595mmol/g. The mechanism for adsorption of DBT onto MIP-CMSs was found to follow Langmuir isotherm and pseudo second order model
Template and target information: dibenzothiophene, DBT
Author keywords: surface molecularly imprinted polymer, Carbon microspheres, adsorption, dibenzothiophene, Langmuir isotherm, Lagergren's pseudo second order model


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