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[1]刘 洋,李红霞,欧阳泽,等.表面铜(Ⅱ)离子印迹聚合物的制备及其对Cu(Ⅱ)的吸附[J].武汉工程大学学报,2023,45(02):186-191.[doi:10.19843/j.cnki.CN42-1779/TQ.202108013]
 LIU Yang,LI Hongxia,OUYANG Ze,et al.Preparation of Copper(II) Ion-Imprinted Polymer andIts Adsorption for Cu(II)[J].Journal of Wuhan Institute of Technology,2023,45(02):186-191.[doi:10.19843/j.cnki.CN42-1779/TQ.202108013]
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表面铜(Ⅱ)离子印迹聚合物的制备及其对
Cu(Ⅱ)的吸附
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
45
期数:
2023年02期
页码:
186-191
栏目:
生物与环境工程
出版日期:
2023-04-30

文章信息/Info

Title:
Preparation of Copper(II) Ion-Imprinted Polymer and
Its Adsorption for Cu(II)
文章编号:
1674 - 2869(2023)02 - 0186 - 06
作者:
刘 洋李红霞 欧阳泽 余军霞* 池汝安
武汉工程大学化学与环境工程学院,绿色化工过程教育部重点实验室,石油和化工行业生物质环境与能源新材料重点实验室,湖北 武汉 430205

Author(s):
LIU Yang LI Hongxia OUYANG Ze YU Junxia* CHI Ru’an
School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Key Laboratory of Green Chemical
Processes? (Wuhan Institute of Technology), Ministry of Education, Key Laboratory of Novel Biomass-Based Environmental and Energy Materials in Petroleum and Chemical Industry, Wuhan 430205, China

关键词:
表面印迹技术吸附铜(II)甘蔗渣
Keywords:
surface imprinted technique adsorption copper(II) bagasse
分类号:
X71;G642.423
DOI:
10.19843/j.cnki.CN42-1779/TQ.202108013
文献标志码:
A
摘要:
为了从复杂的实际废水中选择性地分离重金属离子,以生物质甘蔗渣为基质,通过环氧氯丙烷将聚乙烯亚胺键合到甘蔗渣表面,以铜(II)为模板离子,戊二醛为交联剂,利用表面印迹技术,制备了铜(II)离子印迹聚合物。采用傅里叶变换红外光谱法和Zeta电位法对其进行了表征,并通过静态吸附实验研究了其等温吸附和动力学吸附行为,探讨了pH和共存离子对其吸附性能的影响。结果表明:在25 ℃,pH 4时,印迹聚合物对铜(II)的吸附在40 min内达到吸附平衡,最大吸附量为36.10 mg?g-1,且该过程符合Langmuir等温吸附模型和准二级动力学模型,选择性吸附实验结果表明,表面铜离子印迹聚合物对铜(II)具有很好的选择性。这为从复杂的实际废水体系中选择性地分离重金属离子铜(II)提供理论参考。

Abstract:
A novel copper(II) ion-imprinted polymer was prepared by a surface imprinted technique using biomass sugarcane bagasse grafted with polyethyleneimine as a substrate, copper(II) as template and glutaraldehyde as cross-linking agent. The ion-imprinted polyethyleneimine bagasse was characterized by Fourier transform infrared spectroscopy and Zeta potential, and the adsorption isotherm and kinetics were investigated, effects of pH and co-ions on Cu(II) adsorption on the imprinted bagasse were also disscussed. The results showed that the imprinted polymer possesses excellent adsorption selectivity toward Cu(II) with a maximum adsorption amount of 36.10 mg g-1, at pH 4.0 and room temperature. And the adsorption isotherm could be better fitted with the Langmuir model. Further, the Cu(II) adsorption is a fast reaction process, which could be completed within 40 min, and the adsorption kinetics follows the pseudo-second-order model.The results provides a theoretical reference for the separation of Cu(II) from complex wastewater systems.

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备注/Memo

备注/Memo:
收稿日期:2021-08-28
基金项目:国家自然科学基金(21978226);武汉市应用基础前沿项目(2020020601012276)
作者简介:刘 洋,硕士研究生。E-mail:[email protected]
*通讯作者:余军霞,博士,教授。E-mail:[email protected]
引文格式:刘洋,李红霞,欧阳泽,等. 表面铜 (II)离子印迹聚合物的制备及其对Cu(II)的吸附[J]. 武汉工程大学学报,2023,45(2):186-191.

更新日期/Last Update: 2023-05-04