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首页> 外文期刊>Journal of industrial and engineering chemistry >Adsorption of industrial dyes by semi-IPN hydrogels of Acrylic copolymers and sodium alginate
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Adsorption of industrial dyes by semi-IPN hydrogels of Acrylic copolymers and sodium alginate

机译：丙烯酸共聚物和藻酸钠的半IPN水凝胶对工业染料的吸附

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摘要

Several hydrogels were synthesized from sodium alginate and copolymer of acrylic acid and acrylamide. These hydrogels were characterized by FTIR, XRD, DTA-TGA, swelling and diffusion characteristics. The hydrogel showing the best result for swelling was used for adsorption of Basic fuschin (BF) and Methyl violet (MV) dyes. The hydrogel showed high adsorption and removal% for these dyes for both low (2.5-25 mg/L) and high range (100-600 mg/L) of feed concentration. The dye adsorption data were fitted to different kinetics and adsorption isotherm models. The external mass transfer coefficient, diffusion coefficient and thermodynamic parameters of dye adsorption were also determined. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译：由藻酸钠和丙烯酸与丙烯酰胺的共聚物合成了几种水凝胶。这些水凝胶的特征在于FTIR，XRD，DTA-TGA，溶胀和扩散特性。显示出最佳溶胀效果的水凝胶用于吸附碱性fuschin（BF）和甲基紫（MV）染料。对于低浓度（2.5-25 mg / L）和高浓度（100-600 mg / L）的进料浓度，水凝胶均显示出对这些染料的高吸附和去除％。染料吸附数据适合不同的动力学和吸附等温线模型。还确定了染料吸附的外部传质系数，扩散系数和热力学参数。 （C）2014大韩工业化学工程学会。由Elsevier B.V.发布。保留所有权利。

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