Adsorption of Rhodamine B and methyl orange on a hypercrosslinked polymeric adsorbent in aqueous solution

被引：267

作者：

Huang, Jian-Han ^{[1
]}

Huang, Ke-Long ^{[1
]}

Liu, Su-Qin ^{[1
]}

Wang, A-Ting ^{[1
]}

Yan, Chen ^{[1
]}

机构：

[1] Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Peoples R China

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2008年 / 330卷 / 01期

基金：

中国博士后科学基金;

关键词：

Hypercrosslinked polymeric adsorbent; Adsorption; Rhodamine B (RB); Methyl orange (MO); Hydrogen bonding;

D O I：

10.1016/j.colsurfa.2008.07.050

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In the present study, a hypercrosslinked polymeric adsorbent functionalized with formaldehyde carbonyl groups, HJ-1 was prepared and its adsorption behaviors for two dyes. Rhodamine B (RB) and methyl orange (MO), were tested in aqueous solution. Batch adsorption results indicated that semi-empirical Freundlich isotherm described the adsorption isotherms better and kinetic studies demonstrated that the adsorption obeyed the pseudo-second-order rate model and both of film diffusion and intra-particle diffusion were the rate limiting steps. Adsorption thermodynamic parameters displayed that the adsorption was an exothermic, spontaneous, and more ordered arrangement process, and the polar functional groups of the adsorbent and the matching between the pore diameter of the adsorbent and the molecular size of the adsorbate are the two primary factors influencing the adsorption. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：55 / 61

页数：7

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