Sorption Studies of Terpolymers Based on p-Nitrophenol, Triethylenetetramine, and Formaldehyde

被引：2

作者：

Kalbende, Pawan P. ^{[1
]}

Zade, Anil B. ^{[2
]}

机构：

[1] Datta Meghe Inst Engn Technol & Res, Dept Appl Chem, Wardha 442001, MS, India

[2] Nagpur Univ, Dept Chem, Laxminarayan Inst Technol, Rashtrasant Tukdoji Maharaj, Nagpur 440010, Maharashtra, India

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 2015年 / 50卷 / 07期

关键词：

metal ion uptake; batch equilibrium; synthesis; distribution ratio; ion exchangers; chelating properties; characterization; ION-EXCHANGE PROPERTIES; SALICYLIC-ACID; THERMAL-DEGRADATION; COPOLYMER RESINS; CHELATION; OXAMIDE; BIURET;

D O I：

10.1080/01496395.2014.978457

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Terpolymer resins have been synthesized by condensation of p-nitrophenol, triethylenetetramine, and formaldehyde in the presence of 2 M NaOH as a catalyst with different molar proportions of monomers. Newly synthesized terpolymers were proved to be selective chelation ion exchangers for metal ions like Fe3+, Cu2+, Ni2+, Co2+, Zn2+, Cd2+, Hg2+, and Pb2+. A batch equilibrium study was carried out over a wide pH range, shaking time, and in media of various ionic strengths of different electrolytes and shows higher selectivity for Hg2+, Cd2+, and Pb2+. Distribution ratios of metal ions were found to be increased by increasing pH of solutions; hence the resins can be used to recover certain metals from waste solutions and removal of iron from boiler water.

引用

页码：965 / 974

页数：10

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