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Reference type: Journal
Authors: Fat'hi MR, Nasab SJH
Article Title: Synthesis of calcon-imprinted magnetic chitosan nanoparticles as a novel adsorbent and its application in selective removal of calcon dye from aqueous solutions.
Publication date: 2018
Journal: International Journal of Biological Macromolecules
Volume: 114
Page numbers: 1151-1160.
DOI: 10.1016/j.ijbiomac.2018.03.103
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0141813017349401

Abstract: Calcon-imprinted magnetic chitosan (CIMC) nanoparticles (NPs) were successfully synthesized as a novel adsorbent. Epichlorohydrin (ECH) and glutaraldehyde (GA) were used as cross-linkers to synthesize desired calcon-imprinted magnetic chitosan (ECH/CIMC and GA/CIMC) and non-imprinted magnetic chitosan (ECH/NIMC and GA/NIMC) NPs for adsorption and removal of calcon from polluted solutions. Fourier transform infrared spectroscopy (FT-IR) and scanning electron microscopy (SEM) techniques were employed to investigate the characteristics of ECH/CIMC and GA/CIMC. The effect of pH, temperature, adsorbent dosage and initial dye concentration was evaluated. The adsorption isotherm and kinetics were adequately described by Langmuir and pseudo second-order model, respectively. Maximum removal capacity by ECH/CIMC and GA/CIMC was computed as 51.71 and 39.23 mg/g. Thermodynamic parameters were also estimated and results showed that the adsorption of calcon onto CIMC and NIMC was endothermic and that it is a spontaneous and favorable process
Template and target information: calcon
Author keywords: Calcon-imprinted magnetic chitosan, Removal of calcon dye, Magnetic chitosan nanoparticles, glutaraldehyde, epichlorohydrin

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