A Review of Ion-imprinted Polymer for the Removal and Colorimetric Detection of Lead: Preparation, Mechanism and Application

Document Type : Review paper

Authors

1 Department of Mining Engineering, Faculty of Mining, Petroleum and Geophysics, Shahrood University of Technology, P. O. Box: 316, Shahrood, Iran.

2 Department of Environmental Research, Institute for Color Science and Technology, P. O. Box: 16765-654, Tehran, Iran.

10.30509/jscw.2024.167332.1195

Abstract

The accumulation of heavy metal ions in ecosystems poses a significant threat to humans and other organisms, leading to various diseases such as cancer, skin diseases, cardiovascular and blood disorders. Therefore, the adsorption and detection of heavy metal ions is constantly needed. The adsorption method is favored due to its flexibility, speed, ease of use, minimal environmental impact, and cost-effectiveness. 00Among various adsorbents, ion-imprinted polymers (IIPs) have garnered attention for the identification and removal of metal ions due to their high selectivity, significant concentration factor, and robust chemical stability .This study reviews research conducted over the past two decades. The first section covers the primary polymerization methods, components, and techniques used in producing IIPs. The second section delves into synthesis parameters, adsorption performance, and the use of IIPs as sorbents for heavy metals. Additionally, the final section discusses the application of IIPs in the colorimetric detection of heavy metals, particularly lead ions. The use of specific ligands to induce a detectable color change is emphasized as a key factor in this process. The results of this study highlight the successful application of IIPs for both the removal and colorimetric detection of lead ions in aqueous solutions.

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Main Subjects


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