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Reference type: Journal
Authors: Ng HKM, Leo CP, Abdullah AZ
Article Title: Selective removal of dyes by molecular imprinted TiO2 nanoparticles in polysulfone ultrafiltration membrane.
Publication date: 2017
Journal: Journal of Environmental Chemical Engineering
Volume: 5
Issue: (4)
Page numbers: 3991-3998.
DOI: 10.1016/j.jece.2017.07.075
Alternative URL: http://www.sciencedirect.com/science/article/pii/S2213343717303792

Abstract: The selective removal of target dye and the reuse of other dye in a dye mixture was achieved by modifying TiO2 with molecularly imprinted polymer (MIP-TiO2). MIP-TiO2 was further immobilized in polysulfone (PSf) ultrafiltration membrane to eliminate the recovery of the particles. MIP-TiO2, enhance the separation capability of PSf membrane and create the selectively photocatalytic property on PSf membrane. MIP-TiO2 achieved an ideal selectivity of methylene blue/methylene orange up to 2.00 within 5 cycles under the irradiation of UV. The selective MIP-TiO2 was blended into PSf membrane before phase inversion. The selectivity of dye removal was further enhanced to 2.83 using the PSf membrane blended with MIP-TiO2 nanoparticles in the integrated photodegradation-ultrafiltration process. The improvement was caused by the surface charge of PSf membrane. On the other hand, the permeability of PSf membrane was enhanced after incorporating MIP-TiO2
Template and target information: methylene blue, dyes
Author keywords: molecular imprint, TO2 nanoparticles, ultrafiltration, Photocatalysis, dye, adsorption


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