Adsorption of phenolic compounds from aqueous solutions by aminated hypercrosslinked polymers

被引：23

作者：

Jiang Zhen-mao

Li Ai-min ^{[1
]}

Cai Jian-guo

Wang Chun

Zhang Quan-xin

机构：

[1] Nanjing Univ, State Key Lab Pollut Control & Resource Reuse, Dept Environm Engn, Nanjing 210093, Peoples R China

[2] Jiangsu Engn & Technol Res Ctr Organ Pollut Contr, Nanjing 210046, Peoples R China

来源：

JOURNAL OF ENVIRONMENTAL SCIENCES | 2007年 / 19卷 / 02期

关键词：

hypercrosslinked polymer; phenolic compounds; amino groups modified; static adsorption;

D O I：

10.1016/S1001-0742(07)60022-9

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Two novel polymers (NJ-1 and NJ-2) were synthesized by chemically modified a hypercrosslinked polymer NJ-0 with dimethylamine and trimethylamine, respectively. The comparison of the adsorption properties of the three polymers toward phenol, resorcin and phloroglucin was made. The study focused on the static equilibrium adsorption behaviors and the adsorption thermodynamics. Freundlich equation was found to fit the adsorption results well. The effect of amino groups introduced onto the surface of the resin and the structure of phenolic compounds on the adsorption were also studied. The hydrogen-bonding interaction and electrostatic interaction could happen between the amino groups and the adsorbates. The adsorption impetus increased as quantity of hydroxyl groups increased, but the adsorption capacity decreased due to the drop of the matching degree of the aperture of resins and the diameter of adsorbate molecules.

引用

页码：135 / 140

页数：6

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