Post-synthetic sulfonation of resorcinarene-based porous organic polymer for superfast adsorption of diverse organic pollutants

被引：0
|
作者：
Zhang, Yuzhe [1 ]
Hu, Xiaomeng [1 ]
Jiang, Keqi [1 ]
Fan, Zhenhao [1 ]
Wang, Danfeng [2 ]
Gu, Peiyang [2 ]
Zhou, Shiyuan [2 ]
Li, Zhongyu [1 ]
机构：
[1] School of Environmental Science and Engineering, Changzhou University, Changzhou,213164, China
[2] Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou,213164, China
来源：
Polymer | 2024年 / 313卷
基金：
中国国家自然科学基金;
关键词：
A resorcinarene-based porous organic polymer was synthesized via the Suzuki–Miyaura coupling reaction and then functionalized by chlorosulfonic acid to obtain a sulfonated product named BaPy-SO3H. Characterization results indicate that BaPy-SO3H has porous skeletons; excellent thermal stability; and electronegative surface charges. Remarkably; BaPy-SO3H exhibits superfast rates and reaches adsorption equilibrium within 1 min towards diverse organic pollutants including dyes; herbicides; and antibiotics via electrostatic interactions; π–π; interactions; and host–guest effects. Especially for Crystal Violet; Malachite Green; and Paraquat; BaPy-SO3H achieves apparent rate constants for a pseudo-second-order model of 31.24; 31.27; and 30.63 g mg−1 min−1; respectively; which are the highest values among reported adsorbents to the best of our knowledge. Meanwhile; the maximum adsorption capacity of BaPy-SO3H reaches 1850 mg g−1 for Rhodamine B; 2295 mg g−1 for Methyl Blue; 1503 mg g−1 for Crystal Violet; and 1304 mg g−1 for trimethoprim; surpassing most of the adsorbents reported so far. The above results demonstrate the superior adsorption performance of BaPy-SO3H towards diverse organic pollutants and its potential applications in real-water scenarios. © 2024 Elsevier Ltd;
D O I：
10.1016/j.polymer.2024.127738
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