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Preparation of a poly(acrylic acid) based hydrogel with fast adsorption rate and high adsorption capacity for the removal of cationic dyes

A biocompatible Dex-MA/PAA hydrogel was prepared through copolymerization of glycidyl methacrylate substituted dextran (Dex-MA) with acrylic acid (AA), which was applied as the adsorbent to remove cationic dyes from aqueous solutions. Dex-MA/PAA hydrogel presented a fast adsorption rate and the remo...

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Autores principales: Yuan, Zhenyu, Wang, Jie, Wang, Yiming, Liu, Qian, Zhong, Yujie, Wang, Yu, Li, Li, Lincoln, Stephen F., Guo, Xuhong
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society of Chemistry 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9066031/
https://www.ncbi.nlm.nih.gov/pubmed/35521310
http://dx.doi.org/10.1039/c9ra03077h
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author Yuan, Zhenyu
Wang, Jie
Wang, Yiming
Liu, Qian
Zhong, Yujie
Wang, Yu
Li, Li
Lincoln, Stephen F.
Guo, Xuhong
author_facet Yuan, Zhenyu
Wang, Jie
Wang, Yiming
Liu, Qian
Zhong, Yujie
Wang, Yu
Li, Li
Lincoln, Stephen F.
Guo, Xuhong
author_sort Yuan, Zhenyu
collection PubMed
description A biocompatible Dex-MA/PAA hydrogel was prepared through copolymerization of glycidyl methacrylate substituted dextran (Dex-MA) with acrylic acid (AA), which was applied as the adsorbent to remove cationic dyes from aqueous solutions. Dex-MA/PAA hydrogel presented a fast adsorption rate and the removal efficiency of Methylene Blue (MB) and Crystal Violet (CV) reached 93.9% and 86.4%, respectively within one minute at an initial concentration of 50 mg L(−1). The adsorption equilibrium data fitted the Sips isotherm model well with high adsorption capacities of 1994 mg g(−1) for MB and 2390 mg g(−1) for CV. Besides, dye adsorption occurred efficiently over the pH range 3–10 and the temperature range 20–60 °C. Moreover, the removal efficiencies for MB and CV were still >95% even after five adsorption/desorption cycles which indicates the robust nature of the Dex-MA/PAA hydrogel and its potential as an eco-friendly adsorbent for water treatment.
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spelling pubmed-90660312022-05-04 Preparation of a poly(acrylic acid) based hydrogel with fast adsorption rate and high adsorption capacity for the removal of cationic dyes Yuan, Zhenyu Wang, Jie Wang, Yiming Liu, Qian Zhong, Yujie Wang, Yu Li, Li Lincoln, Stephen F. Guo, Xuhong RSC Adv Chemistry A biocompatible Dex-MA/PAA hydrogel was prepared through copolymerization of glycidyl methacrylate substituted dextran (Dex-MA) with acrylic acid (AA), which was applied as the adsorbent to remove cationic dyes from aqueous solutions. Dex-MA/PAA hydrogel presented a fast adsorption rate and the removal efficiency of Methylene Blue (MB) and Crystal Violet (CV) reached 93.9% and 86.4%, respectively within one minute at an initial concentration of 50 mg L(−1). The adsorption equilibrium data fitted the Sips isotherm model well with high adsorption capacities of 1994 mg g(−1) for MB and 2390 mg g(−1) for CV. Besides, dye adsorption occurred efficiently over the pH range 3–10 and the temperature range 20–60 °C. Moreover, the removal efficiencies for MB and CV were still >95% even after five adsorption/desorption cycles which indicates the robust nature of the Dex-MA/PAA hydrogel and its potential as an eco-friendly adsorbent for water treatment. The Royal Society of Chemistry 2019-07-05 /pmc/articles/PMC9066031/ /pubmed/35521310 http://dx.doi.org/10.1039/c9ra03077h Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/
spellingShingle Chemistry
Yuan, Zhenyu
Wang, Jie
Wang, Yiming
Liu, Qian
Zhong, Yujie
Wang, Yu
Li, Li
Lincoln, Stephen F.
Guo, Xuhong
Preparation of a poly(acrylic acid) based hydrogel with fast adsorption rate and high adsorption capacity for the removal of cationic dyes
title Preparation of a poly(acrylic acid) based hydrogel with fast adsorption rate and high adsorption capacity for the removal of cationic dyes
title_full Preparation of a poly(acrylic acid) based hydrogel with fast adsorption rate and high adsorption capacity for the removal of cationic dyes
title_fullStr Preparation of a poly(acrylic acid) based hydrogel with fast adsorption rate and high adsorption capacity for the removal of cationic dyes
title_full_unstemmed Preparation of a poly(acrylic acid) based hydrogel with fast adsorption rate and high adsorption capacity for the removal of cationic dyes
title_short Preparation of a poly(acrylic acid) based hydrogel with fast adsorption rate and high adsorption capacity for the removal of cationic dyes
title_sort preparation of a poly(acrylic acid) based hydrogel with fast adsorption rate and high adsorption capacity for the removal of cationic dyes
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9066031/
https://www.ncbi.nlm.nih.gov/pubmed/35521310
http://dx.doi.org/10.1039/c9ra03077h
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