基于环氧树脂固化的离子印迹材料的制备及其对铅离子吸附的研究

引用本文: 张聿卓, 刘鑫, 陈红军, 伍文杰. 基于环氧树脂固化的离子印迹材料的制备及其对铅离子吸附的研究[J]. 分析化学, 2023, 51(3): 412-420. doi: 10.19756/j.issn.0253-3820.221072 shu

Citation: ZHANG Yu-Zhuo, LIU Xin, CHEN Hong-Jun, WU Wen-Jie. Preparation of Ion Imprinting Material Based on Epoxy Resin for Adsorption of Lead Ion[J]. Chinese Journal of Analytical Chemistry, 2023, 51(3): 412-420. doi: 10.19756/j.issn.0253-3820.221072 shu

基于环氧树脂固化的离子印迹材料的制备及其对铅离子吸附的研究

张聿卓 ^1,2, ,
刘鑫 ^{1,
,} ,
陈红军 ^1, ,
伍文杰 ^1,

1.
湖南人文科技学院材料与环境工程学院, 精细陶瓷与粉体材料湖南省重点实验室, 娄底 417000;
2.
吉首大学化学化工学院, 吉首 416000

通讯作者: 刘鑫,E-mail:hstliux@163.com

基金项目:
湖南省大学生创新创业训练计划项目(No.S202010553046)和湖南省“双一流”学科建设计划项目(No.湘教通[2018]469)资助。

摘要: 水体中重金属离子Pb²⁺的存在对环境和人体具有较大的危害,因此,去除环境中的Pb²⁺具有重要的实际意义。本研究以Pb²⁺作为印迹模板离子、PEG-600为致孔剂、1,6-己二胺为固化剂与环氧树脂固化聚合,制备了一种环氧树脂基多孔离子印迹吸附材料(IIP)。采用静态吸附法研究了pH值、Pb²⁺初始浓度、吸附温度及吸附时间等因素对IIP吸附Pb²⁺的影响。采用X-射线光电子能谱(XPS)、傅里叶变换红外光谱(FT-IR)、扫描电镜(SEM)和热重分析(TGA)等方法对此材料吸附Pb²⁺前后的性质进行了表征。结果表明,在pH=4.5和293 K时,材料对Pb²⁺的吸附容量达到149.01 mg/g,吸附动力学符合准二级动力学模型,等温曲线符合Langmuir吸附模型。此IIP具有较好的吸附能力和重复利用性能,对Pb²⁺的吸附明显高于竞争离子的吸附,并且对Pb²⁺具有较好的富集回收效果。本研究合成的IIP材料在处理含低浓度Pb²⁺废水时具有独特的优势,应用前景良好。

关键词:

English

Preparation of Ion Imprinting Material Based on Epoxy Resin for Adsorption of Lead Ion

1.
Hunan Provincial Key Laboratory of Fine Ceramics and Powder Materials, School of Materials and Environmental Engineering, Hunan University of Humanities, Science and Technology, Loudi 417000, China;
2.
College of Chemistry and Chemical Engineering, Jishou University, Jishou 416000, China

Corresponding author: LIU Xin, hstliux@163.com

Received Date: 14 February 2022
Revised Date: 28 December 2022
Fund Project:
Supported by the Hunan Provincial Undergraduate Innovation and Entrepreneurship Training Program (No. S202010553046) and the Hunan Provincial ″Double-class″ Discipline Construction Program (No. Xiang Jiao Tong [2018] 469).

Abstract: The existence of low concentration of lead ion (Pb²⁺) in nature water has great harm to the environment and human body, so it is of great significance to remove Pb²⁺ from the environment. In this work, an porous ion imprinting adsorbent (IIP) based on epoxy resin was prepared by curing and polymerization of epoxy resin with Pb²⁺ as template ion, PEG-600 as porogen, and 1,6-hexanediamine as curing agent. The effects of pH value, initial Pb²⁺ concentration, adsorption temperature and adsorption time on adsorption of Pb²⁺ on IIPs were studied by static adsorption method. The IIP before and after adsorption was characterized by X-ray photoelectron spectroscopy (XPS), Fourier transform-infrared (FT-IR) spectroscopy, scanning electron microscopy (SEM) and thermogravimetric analysis (TGA). The results showed that when pH=4.5 and T=293 K, the adsorption capacity of Pb²⁺ reached 149.01 mg/g, the adsorption kinetics followed the quasi second-order kinetic model, and the isothermal curve conformed to the Langmuir adsorption model. It was found that the IIP had good adsorption capacity and reusability. The selectivity investigation showed that the adsorption of Pb²⁺ upon IIP was significantly greater than that of competitive ions. The prepared IIP material had certain advantages in the treatment of wastewater containing low concentration of Pb²⁺ and had a good application prospect.

Key words:

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

基于环氧树脂固化的离子印迹材料的制备及其对铅离子吸附的研究

通讯作者: 刘鑫,E-mail:hstliux@163.com

English

Preparation of Ion Imprinting Material Based on Epoxy Resin for Adsorption of Lead Ion

Corresponding author: LIU Xin, hstliux@163.com

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

基于环氧树脂固化的离子印迹材料的制备及其对铅离子吸附的研究

通讯作者: 刘鑫,E-mail:hstliux@163.com

English

Preparation of Ion Imprinting Material Based on Epoxy Resin for Adsorption of Lead Ion

Corresponding author: LIU Xin, hstliux@163.com

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

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