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Reference type: Journal
Authors: Zhang YY, Shang JB, Song YQ, Rong C, Wang YH, Huang WY, Yu KF
Article Title: Selective Fenton-like oxidation of methylene blue on modified Fe-zeolites prepared via molecular imprinting technique.
Publication date: 2017
Journal: Water Science And Technology
Volume: 75
Issue: (3)
Page numbers: 659.
DOI: 10.2166/wst.2016.525
Alternative URL: http://wst.iwaponline.com/content/75/3/659.abstract

Abstract: A facile strategy to increase the selectivity of heterogeneous Fenton oxidation is investigated. The increase was reached by increasing selective adsorption of heterogeneous Fenton catalyst to a target pollutant. The heterogeneous Fenton catalyst was prepared by a two-step process. First, zeolite particles were imprinted by the target pollutant, methylene blue (MB), in their aggregations, and second, iron ions were loaded on the zeolite aggregations to form the molecule imprinted Fe-zeolites (MI-FZ) Fenton catalyst. Its adsorption amount for MB reached as high as 44.6 mg g-1 while the adsorption amount of un-imprinted Fe-zeolites (FZ) is only 15.6 mg g-1. Fenton removal efficiency of MI-FZ for MB was 87.7%, being 33.9% higher than that of FZ. The selective Fenton oxidation of MI-FZ for MB was further confirmed by its removal performance for the mixed MB and bisphenol A (BPA) in solution. The removal efficiency of MB was 44.7% while that of BPA was only 14.9%. This fact shows that molecular imprinting is suitable to prepare the Fe-zeolites (FZ)-based Fenton catalyst with high selectivity for removal of target pollutants, at least MB
Template and target information: methylene blue, MB


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