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Reference type: Journal
Authors: Zhao KY, Feng LZ, Lin HQ, Fu YF, Lin BB, Cui WK, Li SD, Wei JF
Article Title: Adsorption and photocatalytic degradation of methyl orange imprinted composite membranes using TiO2/calcium alginate hydrogel as matrix.
Publication date: 2014
Journal: Catalysis Today
Volume: 236
Issue: (Part A)
Page numbers: 127-134.
DOI: 10.1016/j.cattod.2014.03.041
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0920586114002715

Abstract: In this paper, molecularly imprinted TiO2/calcium alginate (T/CA) membrane was synthesized by using T/CA as supporting matrix, ethylenetri(β-methoxy) ethyoxysilane (KH-570) and γ-amidopropyltri-ethyoxysilane (KH-550) as functional monomers and methyl orange (MO) as template. The T/CA membranes and MO imprinted T/CA composite membranes were characterized by SEM, FT-IR and XRD. The adsorption and photocatalytic degradation of MO imprinted membranes were investigated. The results indicated that the process of dispersion in alginate and sol-gel of silanes did not have influence on the crystallization process of nano-TiO2 particles. MO was adsorbed more and faster by the molecularly imprinted membrane (MIP) than the non-imprinted membrane (NIP). Also, MIP showed good selectivity for photodegradation of MO when using MR as competitive molecules
Template and target information: methyl orange
Author keywords: titanium dioxide, photocatalytic degradation, Methyl orange, alginate, molecular imprinting membrane, adsorption

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