Al(III)-based MOF for tetracycline removal from water: Adsorption performance and mechanism
Por:
Obeso J.L., Flores C.V., Boujnah M., Viltres H., Celaya C.A., Rosas P.M., Esparza-Schulz J.M., Ibarra I.A., Cordero-Sánchez S., Peralta R.A., Leyva C.
Publicada:
1 ene 2024
Resumen:
The high concentration of pharmaceuticals in water systems can harm the ecosystem and human health. Tetracycline (TC) is a human and veterinary antibiotic widely used for bacterial infections. The excessive use of TC has resulted in a risk to health and the environment since TC has been found in various water ecosystems. Then, this study focuses on effectively removing tetracycline from water solutions using an Al(III)-based MOF CYCU-3. The material showed high adsorption in the pH range of 4–9 with an equilibrium time of 120 min and outstanding cyclability. The maximum adsorption capacity was 428.1 mg g-1. The experimental data were fitted into Pseudo-Second Order (PSO) and Temkin models, suggesting physicochemical interactions. The thermodynamic study proved the exothermic nature of the process. The adsorption mechanism was proposed based on the experimental analysis, Fourier-transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), and theoretical calculations. It was proposed that cation-p, p-p interactions, and hydrogen bonding played the main role in adsorption. CYCU-3 displays higher adsorption capacity compared with some representative porous materials. Therefore, CYCU-3 can be considered a suitable adsorbent for the treatment of water contaminated with pharmaceuticals. © 2024 Elsevier Inc.
Filiaciones:
Obeso J.L.:
Instituto Politécnico Nacional, CICATA U. Legaria, Laboratorio Nacional de Ciencia, Tecnología y Gestión Integrada Del Agua (LNAgua), Legaria 694, Irrigación, Miguel Hidalgo, CDMX, 11500, Mexico
Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior s/n, CU, Coyoacán, Ciudad de México, 04510, Mexico
Flores C.V.:
Instituto Politécnico Nacional, CICATA U. Legaria, Laboratorio Nacional de Ciencia, Tecnología y Gestión Integrada Del Agua (LNAgua), Legaria 694, Irrigación, Miguel Hidalgo, CDMX, 11500, Mexico
Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior s/n, CU, Coyoacán, Ciudad de México, 04510, Mexico
Boujnah M.:
Laboratorio Nacional de Proyección Térmica (CENAPROT), Centro de Investigación y de Estudios Avanzados (CINVESTAV-IPN), Fracc. Real de Juriquilla, Querétaro, 76230, Mexico
Viltres H.:
School of Engineering Practice and Technology, McMaster University, 1280 Main Street West, Hamilton, L8S 4L8, ON, Canada
Celaya C.A.:
Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km 107 Carretera Tijuana-Ensenada, B.C., Ensenada, C.P. 22800, Mexico
Rosas P.M.:
Departamento de Química, División de Ciencias Básicas e Ingeniería, Universidad Autónoma Metropolitana (UAM-I), 09340, Mexico
Esparza-Schulz J.M.:
Departamento de Química, División de Ciencias Básicas e Ingeniería, Universidad Autónoma Metropolitana (UAM-I), 09340, Mexico
Ibarra I.A.:
Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior s/n, CU, Coyoacán, Ciudad de México, 04510, Mexico
On sabbatical as “Catedra Dr. Douglas Hugh Everett” at Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, San Rafael Atlixco 186, Col. Vicentina, Iztapalapa, C.P. 09340, Ciudad de México, Mexico
Cordero-Sánchez S.:
Departamento de Química, División de Ciencias Básicas e Ingeniería, Universidad Autónoma Metropolitana (UAM-I), 09340, Mexico
Peralta R.A.:
Departamento de Química, División de Ciencias Básicas e Ingeniería, Universidad Autónoma Metropolitana (UAM-I), 09340, Mexico
Leyva C.:
Instituto Politécnico Nacional, CICATA U. Legaria, Laboratorio Nacional de Ciencia, Tecnología y Gestión Integrada Del Agua (LNAgua), Legaria 694, Irrigación, Miguel Hidalgo, CDMX, 11500, Mexico
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