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Vol. 25 No. 18 (2013)

Adsorption Behaviours of Sorbic Acid onto Polymeric Adsorbent Modified with 2-Carboxybenzoyl Group

https://doi.org/10.14233/ajchem.2013.15738
J.P. Wang1
1Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection; Department of Chemistry, Yancheng Teachers University, Xiwang Road, Yancheng 224051, Jiangsu Province, P.R. China 2Institute of Applied Chemistry and Environmental Engineering, Department of Chemistry, Yancheng Teachers University, Yancheng 224051, Jiangsu Province, P.R. China *Corresponding author: Tel/Fax: +86 515 88233188; E-mail: wjp-22@163.com
J.T. Dai1
1Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection; Department of Chemistry, Yancheng Teachers University, Xiwang Road, Yancheng 224051, Jiangsu Province, P.R. China 2Institute of Applied Chemistry and Environmental Engineering, Department of Chemistry, Yancheng Teachers University, Yancheng 224051, Jiangsu Province, P.R. China *Corresponding author: Tel/Fax: +86 515 88233188; E-mail: wjp-22@163.com
J. Chen1
1Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection; Department of Chemistry, Yancheng Teachers University, Xiwang Road, Yancheng 224051, Jiangsu Province, P.R. China 2Institute of Applied Chemistry and Environmental Engineering, Department of Chemistry, Yancheng Teachers University, Yancheng 224051, Jiangsu Province, P.R. China *Corresponding author: Tel/Fax: +86 515 88233188; E-mail: wjp-22@163.com
Y.F. Sun1
1Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection; Department of Chemistry, Yancheng Teachers University, Xiwang Road, Yancheng 224051, Jiangsu Province, P.R. China 2Institute of Applied Chemistry and Environmental Engineering, Department of Chemistry, Yancheng Teachers University, Yancheng 224051, Jiangsu Province, P.R. China *Corresponding author: Tel/Fax: +86 515 88233188; E-mail: wjp-22@163.com
J. Yin1
1Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection; Department of Chemistry, Yancheng Teachers University, Xiwang Road, Yancheng 224051, Jiangsu Province, P.R. China 2Institute of Applied Chemistry and Environmental Engineering, Department of Chemistry, Yancheng Teachers University, Yancheng 224051, Jiangsu Province, P.R. China *Corresponding author: Tel/Fax: +86 515 88233188; E-mail: wjp-22@163.com
D.M. Chen1
1Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection; Department of Chemistry, Yancheng Teachers University, Xiwang Road, Yancheng 224051, Jiangsu Province, P.R. China 2Institute of Applied Chemistry and Environmental Engineering, Department of Chemistry, Yancheng Teachers University, Yancheng 224051, Jiangsu Province, P.R. China *Corresponding author: Tel/Fax: +86 515 88233188; E-mail: wjp-22@163.com

Corresponding Author(s) : J.P. Wang1

Asian Journal of Chemistry, Vol. 25 No. 18 (2013)

Abstract

In the present study, a hypercrosslinked polymeric adsorbent (ZH-01) was employed to remove sorbic acid. The study focuses on the static equilibrium adsorption behaviours and the adsorption thermodynamics. Freundlich and Langmuir model give perfect fitting to the isotherm data. The adsorbing capacities for sorbic acid on ZH-01 is higher than on Amberlite XAD-4 within the temperature range 288-318 K, which is contributed to microporous structure and the polar groups on the network of ZH-01 resin. The changes of enthalpy, free energy, entropy were indicative of an exothermic, a spontaneous and disorder decreasing process. The data of the kinetics were fit for the first-order equation. The results showed that the hypercrosslinked polymeric adsorbent (ZH-01) was better than the Amberlite XAD-4 for removing the sorbic acid in aqueous solutions.

Keywords

Hypercrosslinked resins Sorbic acid Adsorption.
Wang1, J., Dai1, J., Chen1, J., Sun1, Y., Yin1, J., & Chen1, D. (2013). Adsorption Behaviours of Sorbic Acid onto Polymeric Adsorbent Modified with 2-Carboxybenzoyl Group. Asian Journal of Chemistry, 25(18), 10485–10488. https://doi.org/10.14233/ajchem.2013.15738
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