Person:
Gutiérrez Sánchez, Pablo

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First Name
Pablo
Last Name
Gutiérrez Sánchez
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https://hdl.handle.net/20.500.14352/85717
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Universidad Complutense de Madrid
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Ciencias Químicas
Department
Ingeniería Química y de Materiales
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Author: Rodríguez Llorente, Diego × Item Type: Publication ×

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Now showing 1 - 5 of 5
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    Project number: 208
    Practicando Ingeniería Química: Prácticas colaborativas de bajo coste para grupos numerosos
    () Larriba Martínez, Marcos; Ovejero Escudero, Gabriel; García Rodríguez, Juan; Delgado Dobladez, José Antonio; Águeda Maté, Vicente Ismael; Álvarez Torrellas, Silvia; Martín Martínez, María; Carbajo Olleros, Jaime; García Sánchez, Laura; Guerrero Moreno, Elisa; Aranda López, Daniel; Serra Pérez, Estrella; Pascual Muñoz, Gonzalo; Rodríguez Llorente, Diego; Cañada Barcala, Andrés; Sanz Santos, Eva; Gutiérrez Sánchez, Pablo; Calero Berrocal, Rubén; Sánchez Quiñones, Carlos Alberto Augusto; Cañas Jiménez, Javier; Huber Benito, Diego; Portillo Sánchez, Eva; Martín Gutiérrez, Diego; Suárez Rodríguez, Pablo; Sánchez Fernández, Ignacio
    Elaboración de un catálogo de prácticas de laboratorio de bajo coste para trabajar los fundamentos de ingeniería química con grupos numerosos, usando metodologías activas de aprendizaje para incrementar la motivación de los estudiantes.
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    Extraction of pharmaceuticals from hospital wastewater with eutectic solvents and terpenoids: computational, experimental, and simulation studies
    (Chemical Engineering Journal, 2022) Rodríguez Llorente, Diego; Hernández, Elisa; Gutiérrez Sánchez, Pablo; Navarro, Pablo; Águeda Maté, V. Ismael; Álvarez Torrellas, Silvia; García Rodríguez, Juan; Larriba Martínez, Marcos
    The presence of pharmaceuticals in wastewater, mainly in hospital wastewater, is a serious environmental concern, as they are not removed by conventional processes in wastewater treatment plants and are discharged into the natural environment. This work proposes extracting drugs from hospital wastewater using natural, renewable, and non-toxic solvents such as terpenes and eutectic solvents. First, molecular simulation has been used with the COSMO-RS method performing a massive screening of 43 terpenes, 11 eutectic solvents, and 5 conventional solvents with 31 common pharmaceuticals. The most promising solvents in the screening have been chosen to extract 11 pharmaceuticals simultaneously. Experimental tests with ultrapure water and real hospital wastewater matrices showed a strong influence of pH and matrix on extraction. Under the optimal conditions, global pharmaceutical extraction yields with carvacrol of 94.16 % and the eutectic solvent thymol+dodecanoic acid of 96.86 % were obtained. The regeneration and reuse of both solvents were studied in 5 consecutive stages, showing the carvacrol's high stability and regenerability. Using carvacrol, countercurrent extraction tests showed a fast mass transfer of pharmaceuticals and high extraction yields using low solvent-to-feed (S/F) ratios. The predictions obtained with COSMO-RS were similar to the experimental results, confirming the reliability of this method for selecting alternative solvents for the extraction of pharmaceuticals. Finally, the drug removal process was simulated in a countercurrent extraction. The complete removal of pharmaceuticals from hospital wastewater could be achieved using carvacrol with an S/F of 2.00 at pH 4.00 in an extractor with six equilibrium stages.
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    Si l@s estudiantes universitari@s no eligen ingenierías que las ingenierías vayan al colegio.
    (2022) Águeda Maté, Vicente Ismael; Ovejero Escudero, Gabriel; Delgado Dobladez, José Antonio; García Rodríguez, Juan; Álvarez Torrellas, Silvia; Larriba Martínez, Marcos; Serra Pérez, Estrella; Uguina Zamorano, María de los Ángeles; Curto Maldonado, Andrés; Pascual Muñoz, Gonzalo; García Dávila, Oscar; Rodríguez Llorente, Diego; Corral Pumarega, Jose Luis; Hernández Abreu, Ana Belén; García López, Inmaculada; Sánchez Quiñones, Carlos Alberto Augusto; Cañas Jiménez, Javier; Cañada Barcala, Andrés; Sanz Santos, Eva; Gutiérrez Sánchez, Pablo; Sanz Santos, Alberto; Sánchez Morales, Laura Laila
    La pandemia provocada por el virus SARS-CoV-2 ha puesto de manifiesto la imperiosa necesidad de construir una sociedad basada en el conocimiento. Otros grandes retos sociales como son revertir el cambio climático y la conservación y/o recuperación del entorno natural hacen énfasis en la necesidad de un desarrollo sostenible e igualitario. En este sentido es necesario concienciar a las nuevas generaciones del papel primordial que deben jugar las ingenieras e ingenieros en el desarrollo futuro como motores de ese cambio necesario. Sin embargo, el número de estudiantes de ingenierías disminuye paulatinamente, siendo además profesiones copadas mayoritariamente por hombres. En el presente proyecto se plantea ir a colegios e institutos de la Comunidad de Madrid a realizar actividades que pongan de manifiesto lo que la ingeniería puede hacer por la sociedad, presentado por los y las estudiantes de ingeniería química de la UCM que servirán de referentes tanto femeninos como masculinos para las generaciones venideras.
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    Extraction of antibiotics identified in the EU Watch List 2020 from hospital wastewater using hydrophobic eutectic solvents and terpenoids
    (Separation and Purification Technology, 2022) Gutiérrez Sánchez, Pablo; Rodríguez Llorente, Diego; Navarro, Pablo; Águeda Maté, Vicente Ismael; Álvarez Torrellas, Silvia; García, Juan; Larriba Martínez, Marcos
    The increasing consumption of pharmaceuticals, along with the ineffectiveness of conventional wastewater treatment, has resulted in an increased presence of these pollutants in both drinking water supplies and aquatic environments. The potential adverse health effects and environmental impact of these chemicals are drawing the attention of several bodies around the world. For instance, some antibiotics such as ciprofloxacin, trimethoprim, and sulfamethoxazole have been included in the most recent European Surface Water Watch List under the EU Water Framework Directive (Decision 2020/1161). The present work proposes the use of terpenoids and eutectic solvents, as effective and green solvents with low toxicity, for multicomponent liquid-liquid extraction of ciprofloxacin, trimethoprim, and sulfamethoxazole from ultrapure water and hospital wastewater. The COSMO-RS method was used for a predictive initial solvent screening. Thymol, carvacrol, eutectic solvents (thymol + fatty acids), and conventional solvents (methyl isobutyl ketone and ethyl acetate) were selected to be used in the experiments. The influence of the volume S/F ratio, aqueous matrix, and pH was analysed. Conventional solvents show significantly lower overall extraction yields than those observed for eutectic solvents and terpenoids at any pH and matrix. Carvacrol presented the most favourable conditions, reaching overall extraction yields above 98.0% (98.9% for trimethoprim, 99.5% for ciprofloxacin, and 97.0% for sulfamethoxazole) with hospital wastewater at pH 5.0 and S/F ratio of 1.00. Carvacrol showed a feasible operating in a continuous extraction column at room temperature, providing effective reuse and regeneration processes in this study.The increasing consumption of pharmaceuticals, along with the ineffectiveness of conventional wastewater treatment, has resulted in an increased presence of these pollutants in both drinking water supplies and aquatic environments. The potential adverse health effects and environmental impact of these chemicals are drawing the attention of several bodies around the world. For instance, some antibiotics such as ciprofloxacin, trimethoprim, and sulfamethoxazole have been included in the most recent European Surface Water Watch List under the EU Water Framework Directive (Decision 2020/1161). The present work proposes the use of terpenoids and eutectic solvents, as effective and green solvents with low toxicity, for multicomponent liquid-liquid extraction of ciprofloxacin, trimethoprim, and sulfamethoxazole from ultrapure water and hospital wastewater. The COSMO-RS method was used for a predictive initial solvent screening. Thymol, carvacrol, eutectic solvents (thymol + fatty acids), and conventional solvents (methyl isobutyl ketone and ethyl acetate) were selected to be used in the experiments. The influence of the volume S/F ratio, aqueous matrix, and pH was analysed. Conventional solvents show significantly lower overall extraction yields than those observed for eutectic solvents and terpenoids at any pH and matrix. Carvacrol presented the most favourable conditions, reaching overall extraction yields above 98.0% (98.9% for trimethoprim, 99.5% for ciprofloxacin, and 97.0% for sulfamethoxazole) with hospital wastewater at pH 5.0 and S/F ratio of 1.00. Carvacrol showed a feasible operating in a continuous extraction column at room temperature, providing effective reuse and regeneration processes in this study.
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    Project number: 142
    Lab at home: prácticas experimentales de Ingeniería Química en tiempos de pandemia
    (2022) Larriba Martínez, Marcos; Ovejero Escudero, Gabriel; García Rodríguez, Juan; Delgado Dobladez, José Antonio; Águeda Maté, Vicente Ismael; Álvarez Torrellas, Silvia; Martín Martínez, María; García Sánchez, Laura; Peinado Serrano, María Cristina; Serra Pérez, Estrella; Pascual Muñoz, Gonzalo; Rodríguez Llorente, Diego; Cañada Barcala, Andrés; Sanz Santos, Eva; Gutiérrez Sánchez, Pablo; Calero Berrocal, Rubén; Sánchez Quiñones, Carlos Alberto Augusto; Cañas Jiménez, Javier; Santos Sanz, Alberto; Carreras Navarro, Francisco Javier; Sánchez Morales, Laura Laila; Nájera García, Roberto