Abstract
This article talks about how to make and use nanocomposites with a tetraethylenepentamine (TEPA-NCs) core for adsorption purposes to get heavy metals (HMs) out of polluted water. The present review critically discusses the synthesis methods, structural characteristics, and functional properties of newly developed TEPA-NCs, together with mechanisms associated with the adsorption of different types of HMs. The high adsorption capacity for various metal ions is due to the presence of functional groups on the surface of TEPA-NCs. The adsorbents show great potential for reuse since they can be reused for several consecutive cycles while maintaining high removal. Isothermal studies confirm that adsorption is favored at pH close to neutrality. The interactions are mostly physical in nature. The isothermal studies mostly corresponded to the Langmuir model, while the kinetic studies corresponded to the pseudo-second-order model. As future recommendations, it is important to analyze the costs of manufacturing these materials.
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