Acylamino functionalized triazine-based porous organic polymers for efficient Cd2+ capture

被引：0
|
作者：
Hao, Aiping [1 ]
Peng, Rongxin [2 ]
Huang, Jianhan [2 ]
机构：
[1] Hunan Univ Arts & Sci, Coll Chem & Mat, Changde 415000, Peoples R China
[2] Cent South Univ, Coll Chem & Chem Engn, Changsha 410083, Peoples R China
来源：
DESALINATION AND WATER TREATMENT | 2020年 / 190卷
基金：
中国国家自然科学基金;
关键词：
Triazine; Porous organic polymers (POPs); Adsorption; CROSS-LINKED POLYMERS; ONE-POT SYNTHESIS; AQUEOUS-SOLUTIONS; HEAVY-METALS; HIGHLY EFFICIENT; CADMIUM REMOVAL; ADSORPTION; CD(II); IONS; PB(II);
D O I：
10.5004/dwt.2020.25709
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Functionalized porous organic polymers (POPs) with high Brunauer-Emmett-Teller surface area (S-BET) are promising for the removal of heavy metals while their synthesis remains a challenge. A kind of acylamino functionalized triazine-based POPs was developed from melamine and trimesic acid by one-pot polycondensation in this study. The resultant polymers were applied for Cd2+ removal from aqueous solution. These polymers had controllable S-BET of 246-463 m(2)/g with the predominant mesoporous distribution. Due to their well-constructed porosity and plentiful acylamino groups, they were efficient for Cd2+ removal with the maximum capacity of 392.5 mg/g at pH = 6. The adsorption was very fast and less than 15 min was enough to attain the equilibrium. Analysis of the mechanism revealed that the embedded acylamino and triazine ring played a role due to the strong chelating of the oxygen and nitrogen with Cd2+.
引用
收藏
页码：256 / 266
页数：11
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