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| DOI | 10.1016/J.MOLSTRUC.2024.139698 | ||||
| Año | 2025 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Pharmaceutical products such as ibuprofen and naproxen pose a potencial risk to the environment and to the human health. In this context, it is necessary seek and implement new effective and low-cost technologies for water treatment such as adsorption. Metal-organic frameworks (MOFs) emerge as promising adsorbent materials due to their structural diversity and stability. The obtained MOFs were characterized by SEM/EDX, XRD, FTIR, N2 2 at 77 K, DLS, and PZC. According to the textural parameters, the obtained MOFs have the next surface areas: MIL-100 (Fe) 1359 m2, 2 , ZIF-8 357 m2 2 and UiO-66 1654 m2. 2 . Having this differences in surface areas, alongside the different PZC of each materials, affect the adsorption capacity. According to the experimental data UiO-66 and MIL-100(Fe) had the highest ibuprofen adsorption capacity (152.3 mg g-1)-1 ) and naproxen adsorption capacity (278.3 mg g-1),-1 ), respectively. On the other hand, ZIF-8 has the lowest adsorption capacity of ibuprofen and naproxen (85.4 and 78.9 mg g-1 respectively). It was found that the best-fitting model according to its R2 2 for all materials with both adsorbates was the Sips model. Moreover, all materials with all adsorbates, except for UiO-66 with naproxen, reached equilibrium within the first 120 min and fitted the pseudo-second order model. According to thermodynamic parameters and analysis of fitted kinetic models, it was determined that during adsorption, a combination of physical and chemical phenomena occurs, from which the following interactions are proposed as the main adsorption mechanisms: hydrogen bonding, It-It interactions, anion-It interactions, and Lewis' acid/base interactions.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Cobian-Solorio, G. A. | - |
Univ Colima - México
Universidad de Colima - México |
| 2 | Aguayo-Villarreal, Ismael A. | Hombre |
Univ Colima - México
Universidad de Colima - México |
| 3 | Rojas-Mayorga, Cintia Karina | Mujer |
Univ Colima - México
Universidad de Colima - México |
| 4 | Muniz-Valencia, R. | Hombre |
Univ Colima - México
Universidad Bernardo O'Higgins - Chile Universidad de Colima - México |
| 5 | Emparan-Legaspi, M. J. | - |
Univ Colima - México
Universidad de Colima - México |
| 6 | Guzman, N. E. Davila | - |
Univ Autonoma Nuevo Leon - México
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| 6 | Davila Guzman, N. E. | - |
Universidad Autónoma de Nuevo Leon - México
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| Fuente |
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| Conahcyt |
| Consejo Nacional de Humanidades, Ciencias y Tecnologías |
| MatPore - Porous Material National Laboratory |
| Agradecimiento |
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| This study has been supported by the CONAHCYT (Grant No. A1-S-10035) . The authors acknowledge the support provided by the CON-AHCYT and MatPore-Porous Material National Laboratory for per-forming this study. |
| This study was financially supported by CONAHCYT (Grant No. A1-S-10035 ), the authors acknowledge the support provided. |