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Reference type: Journal
Authors: Ge H, Huang HL, Xu M
Article Title: Preparation and Properties of Surface Imprinted Magnetic Cellulose Microsphere with Highly Selective Adsorption.
Publication date: 2016
Journal: Chemical Journal of Chinese Universities
Volume: 37
Issue: (8)
Page numbers: 1551-1558.
DOI: 10.7503/cjcu20160248
Alternative URL: http://www.cjcu.jlu.edu.cn/CN/10.7503/cjcu20160248

Abstract: Molecularly imprinted magnetic composite microspheres(MIP-MCM) were prepared by a surface functional monomer-directing system. Cellulose and Fe3O4composite microsphere was the core and then was coated a layer of MIP on the surface. Fourier transform Infrared spectra(FTIR), X-ray powder diffraction(XRD), vibrating sample magnetometry(VSM) methods were used to characterize the structure of MIP-MCM. In this article, Rhodamine B(RhB) was chosen as the template molecule. The adsorption abilities of MIP-MCM toward RhB were studied through adsorption kinetics and adsorption thermodynamics. The adsorption kinetics curves met pseudo-second-order model more. The adsorption isotherms could be described by both Langmuir and Freundlich isotherm models. The maximum adsorption amount was calculated to be 0.542 mg/mg, much higher than the common adsorbents. MIP-MCM was also adsorption-selective to RhB with highly regenerate and kept stable in a wild pH and temperature range. In brief, MIP-MCM is very potential in the application of removal of dye and sewage treatment.
Template and target information: Rhodamine B, RhB
Author keywords: cellulose, Fe3O4, molecularly imprinted polymer, Rhodamine B, selective adsorption

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