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Reference type: Journal
Authors: Xu WZ, Zhou W, Huang WH, Pan JM, Li H, Wu XY, Yan YS
Article Title: Preparation and evaluation of a novel surface-imprinted polymer for selective adsorption of dibenzothiophene.
Publication date: 2011
Journal: Microchimica Acta
Volume: 175
Issue: (1)
Page numbers: 167-175.
DOI: 10.1007/s00604-011-0661-9

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
Template and target information: dibenzothiophene, DBT
Author keywords: Surface molecular imprinted polymer, dibenzothiophene, Potassium hexatitanate whisker, adsorption

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