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Reference type: Journal
Authors: Luo XB, Zhan YC, Huang YN, Yang LX, Tu XM, Luo SL
Article Title: Removal of water-soluble acid dyes from water environment using a novel magnetic molecularly imprinted polymer.
Publication date: 2011
Journal: Journal of Hazardous Materials
Volume: 187
Issue: (1-3)
Page numbers: 274-282.
DOI: 10.1016/j.jhazmat.2011.01.009
Alternative URL: http://www.app-one.com.cn/UpFile/20130417152302.pdf

Abstract: Novel magnetic and hydrophilic molecularly imprinted polymers (mag-MIPs) were prepared by an inverse emulsion-suspension polymerization to remove water-soluble acid dyes from contaminated water with 1-(α-methyl acrylate)-3-methylimidazolium bromide (1-MA-3MI-Br) being utilized as a new functional monomer. The thermal stability, chemical structure and magnetic property of the 1-MA-3MI-Br-mag-MIPs were characterized by the thermal-gravimetric analyzer (TGA), Fourier transform infrared spectrometer (FT-IR) and vibrating sample magnetometer (VSM), respectively. Moreover, effect of concentration and pH value of water-soluble acid dye solutions was optimized. Compared with the methyl acrylic acid and 4-vinylpyridine modified mag-MIPs, the 1-MA-3MI-Br-mag-MIPs showed enhanced removal efficiency. Kinetic studies depicted that the adsorption process on 1-MA-3MI-Br-mag-MIPs followed pseudo-second-order rate mechanism. Investigation results of 5 times removal-regeneration cycles by employing the 1-MA-3MI-Br-mag-MIPs showed that the resulting material was with high stability.
Template and target information: water-soluble acid dyes, Tratarzine, Brilliant ponceau 5R, Orange G, Amaranth, Sunset Yellow FCF
Author keywords: 1-(α-Methyl acrylate)-3-methylimidazolium bromide, Water-soluble acid dyes, Magnetic molecularly imprinted polymer, removal

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