A review on acrylic based hydrogels and their applications in wastewater treatment

被引：211
作者：
Pakdel, Parisa Mohammadzadeh [1 ]
Peighambardoust, Seyed Jamaleddin [1 ]
机构：
[1] Univ Tabriz, Fac Chem & Petr Engn, Tabriz 5166616471, Iran
来源：
JOURNAL OF ENVIRONMENTAL MANAGEMENT | 2018年 / 217卷
关键词：
Acrylic based hydrogels; Wastewater treatment; Adsorption mechanism; Crosslinking; contents; HEAVY-METAL IONS; METHYLENE-BLUE; CROSS-LINKING; NANOCOMPOSITE HYDROGEL; AQUEOUS-SOLUTIONS; ADSORPTIVE REMOVAL; SORPTION BEHAVIOR; SWELLING BEHAVIOR; DYE REMOVAL; PHOTOCATALYTIC DEGRADATION;
D O I：
10.1016/j.jenvman.2018.03.076
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The acrylic based hydrogels have attracted the attention of many researchers in the field of pollutants adsorption such as dyes and metal cations due to their high swelling and adsorption capacities. This review introduces acrylic based hydrogels and focuses on their adsorption properties. We first described the methods for synthesizing hydrogels. Usual methods of characterization of acrylic based hydrogels such as swelling, adsorption capacity and desorption efficiency of the pollutants have been investigated. In addition, the adsorption isotherm and kinetic models which determine the mechanism of pollutants' adsorption by hydrogels have been introduced and relations that determine the values of thermodynamic parameters which define accomplishment of adsorption process have been investigated. In the following sections, a perfect insight has been provided on natural and synthetic acrylic based hydrogels. The effective parameters of swelling and adsorption by acrylic based hydrogels have been reviewed and the mechanism of pollutant's adsorption by acrylic based hydrogels has been discussed. (C) 2018 Elsevier Ltd. All rights reserved.
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收藏
页码：123 / 143
页数：21
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