Toxic metal ion removal by terpolymer ion-exchanger from aqueous environments: synthesis, thermal degradation, batch separation, kinetic and isotherm studies

被引：1
|
作者：
Ahamed, Mohamed A. Riswan [1 ]
Balasubramanian, N. [1 ]
Azarudeen, Raja S. [2 ]
Thirumarimurugan, M. [2 ]
机构：
[1] SRM Univ, Dept Chem, Madras 600089, Tamil Nadu, India
[2] Coimbatore Inst Technol, Dept Chem Engn, Coimbatore, Tamil Nadu, India
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2018年 / 53卷 / 03期
关键词：
Terpolymer; ion-exchange studies; kinetics; isotherm; thermal analysis; COPOLYMER RESINS; FORMALDEHYDE; OXAMIDE; ACID; THIOSEMICARBAZIDE; THIOUREA;
D O I：
10.1080/01496395.2017.1389960
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel chelating resin was synthesized and characterized by elemental, physico-chemical, GPC, NMR, and SEM analyses. Batch separation was adopted to study the recovery of selected metal ions with respect to the pH, time, concentrations, and electrolytes. From the results, it was observed that the order of the rate of metal ion uptake by the resin was Fe3+>Cu2+>Zn2+>Ni2+>Co2+>Pb2+ ions. The adsorption kinetics follows first order, and isotherm models were also found to fit each other. The resin showed three-step thermal degradation, and its kinetic and thermodynamic parameters were also evaluated.
引用
收藏
页码：513 / 526
页数：14
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