| Title | Comprehensive Cost-Benefit and Statistical Analysis of Isotherm and Kinetic Models for Heavy Metal Removal in Acidic Solutions Using Weakly Base Polymeric Chelating Resin as Adsorbent |
|---|---|
| ID_Doc | 29837 |
| Authors | Suwannahong, K; Wongcharee, S; Kreetachat, T; Imman, S; Suriyachai, N; Hongthong, S; Rioyo, J; Dechapanya, W; Noiwimol, P |
| Title | Comprehensive Cost-Benefit and Statistical Analysis of Isotherm and Kinetic Models for Heavy Metal Removal in Acidic Solutions Using Weakly Base Polymeric Chelating Resin as Adsorbent |
| Year | 2024 |
| Published | Water, 16.0, 17 |
| Abstract | This study investigates the removal of heavy metals, particularly copper and nickel, from acidic aqueous solutions using the weakly base polymeric chelating resin Dowex M-4195. The research conducts comprehensive cost-benefit and statistical analyses of various kinetic and isotherm adsorption models. The results show that the PSO and general order models provide high accuracy for the Cu2+ adsorption kinetics, while the Avrami fractional order model excels for Ni2+. In terms of the isotherm models, the Langmuir and Jovanovic models are highly accurate for both metals, with the Toth model being particularly effective for Ni2+ due to its ability to account for surface heterogeneity and multi-layer adsorption. This study also reveals that the kinetic adsorption process is more economically beneficial than the isotherm adsorption process, highlighting the importance of model selection for optimizing heavy metal removal. Incorporating circular economy principles, this research emphasizes the sustainability of using regenerable and reusable adsorbents like Dowex M-4195. The findings provide valuable insights for designing efficient adsorption systems, promoting environmental sustainability, and ensuring public health safety. |
| https://doi.org/10.3390/w16172384 |
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