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Issue 95, 2015
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Microfluidic synthesis of high-performance monodispersed chitosan microparticles for methyl orange adsorption

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Abstract

High-performance monodispersed chitosan microparticles for methyl orange (MO) adsorption were synthesized on a microfluidic platform coupled with a cross-linking approach. Batch adsorption experiments were carried out to evaluate the capacity and kinetics of the as-prepared microparticles on the adsorption of MO. Due to the advantage of microfluidics that all the manipulations and operations are related to independent droplets, the prepared microparticles are controlled to within a narrow size distribution (CV = 1.86%) while exhibiting uniform high performance (adsorption capacity = 182 mg g−1). Adsorption experiments were carried out under various design and operation conditions. It is found that the adsorption isotherm was well described by the Langmuir model and the adsorption kinetics followed a pseudo-second-order kinetic model. The high performance together with biodegradable feature and low-cost raw material give the microfluidic-synthesized chitosan microparticles a promising potential for future dye effluent treatment.

Graphical abstract: Microfluidic synthesis of high-performance monodispersed chitosan microparticles for methyl orange adsorption

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Article information


Submitted
25 Aug 2015
Accepted
04 Sep 2015
First published
04 Sep 2015

This article is Open Access

RSC Adv., 2015,5, 78352-78360
Article type
Paper
Author version available

Microfluidic synthesis of high-performance monodispersed chitosan microparticles for methyl orange adsorption

Z. Dong, H. Xu, Z. Bai, H. Wang, L. Zhang, X. Luo, Z. Tang, R. Luque and J. Xuan, RSC Adv., 2015, 5, 78352
DOI: 10.1039/C5RA17226H

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