Preparation and Adsorption Performance of Modified Sand@Pb(II)-Imprinted Polymer Composite Materials

Li Yue; Sui Yixin; Liu Siyuan; Tokenjian Aybuta; Aniķber Gulzıyı; Abliz Shawket

doi:10.11949/0438-1157.20251456

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Preparation and Adsorption Performance of Modified Sand@Pb(II)-Imprinted Polymer Composite Materials

更新时间：2026-04-29

- Preparation and Adsorption Performance of Modified Sand@Pb(II)-Imprinted Polymer Composite Materials
- CIESC Journal Pages: 1-11(2026)
- 作者机构：
  
  新疆大学化工学院，石油天然气精细化工教育部&自治区重点实验室，乌鲁木齐，830017
- 作者简介：
- 基金信息：
- DOI：10.11949/0438-1157.20251456
  CLC：
- Received：25 December 2025，
  
  Revised：2026-02-10，
  
  Online First：29 April 2026，
- 稿件说明：
移动端阅览
李越, 随毅鑫, 刘思媛, 阿依布塔·托肯坚, 古丽孜依·阿呢克柏, 肖开提·阿布力孜. 修饰沙粒@Pb(II)印迹复合材料制备及吸附性能[J]. 化工学报,

Li Yue, Sui Yixin, Liu Siyuan, Tokenjian Aybuta, Aniķber Gulzıyı, Abliz Shawket. Preparation and Adsorption Performance of Modified Sand@Pb(II)-Imprinted Polymer Composite Materials[J]. CIESC Journal,
李越, 随毅鑫, 刘思媛, 阿依布塔·托肯坚, 古丽孜依·阿呢克柏, 肖开提·阿布力孜. 修饰沙粒@Pb(II)印迹复合材料制备及吸附性能[J]. 化工学报, DOI： 10.11949/0438-1157.20251456

Li Yue, Sui Yixin, Liu Siyuan, Tokenjian Aybuta, Aniķber Gulzıyı, Abliz Shawket. Preparation and Adsorption Performance of Modified Sand@Pb(II)-Imprinted Polymer Composite Materials[J]. CIESC Journal, DOI： 10.11949/0438-1157.20251456

摘要

针对铅废水处理，本研究提出天然矿物载体-柔性单体协同策略。采用 KH550 改性天然沙粒为载体，以顺-2-丁烯-1，4-二醇（CBDO）为功能单体，制备修饰沙粒@Pb（II）印迹复合材料（MS@Pb（II）-IIP-CMs）。FTIR、SEM、BET表征证明印迹层成功负载且材料为介孔结构；ESP分析证实，CBDO通过双齿配位与Pb（II）形成稳定的环状螯合结构，构筑高密度特异性识别位点。实验结果显示，材料对Pb（II）吸附符合Langmuir模型，饱和吸附量为47.5mg/g，120min内达到平衡。该材料抗干扰能力强、选择识别性能优异，热力学分析证实吸附过程自发、吸热且熵增。循环使用 6 次后吸附容量保留率约 80%，兼具低成本、高选择性与良好循环稳定性，在重金属废水净化处理中具备良好应用潜力。

Abstract

For lead wastewater treatment

this study proposes a natural mineral carrier–flexible monomer synergistic strategy. Using KH550-modified natural sand as a carrier and cis-2-butene-1

4-diol (CBDO) as a functional monomer

a modified sand@Pb(II) ion-imprinted polymer composite material (MS@Pb(II)-IIP-CMs) was prepared. FTIR

SEM

and BET analyses confirmed the successful loading of the imprinted layer and the mesoporous structure of the material. ESP analysis revealed that CBDO forms a stable cyclic chelate structure with Pb(II) through a bidentate coordination mode

constructing high-density specific recognition sites. Experimental results showed that Pb(II) adsorption onto this material follows the Langmuir model

with a saturated adsorption capacity of 47.5 mg/g and equilibrium reached within 120 min. The material exhibits strong anti-interference ability and excellent selective recognition performance. Thermodynamic analysis confirms that the adsorption process is spontaneous

endothermic

and entropy-driven. After six regeneration cycles

the adsorption capacity retention remains approximately 80%. With low cost

high selectivity

and good cyclic stability

this material shows promising potential for heavy metal wastewater purification.

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