Person: Ayuso Sebastián, Miguel Aythami
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First Name
Miguel Aythami
Last Name
Ayuso Sebastián
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Ciencias Químicas
Department
Ingeniería Química y de Materiales
Area
Identifiers
6 results
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Now showing 1 - 6 of 6
- Project number: 48
Item Integración vertical de un proyecto de diseño en el Grado en Ingeniería Química(2022) García González, Julián; Oliet Palá, María Mercedes; Alonso Rubio, María Virginia; Domínguez Toribio, Juan Carlos; Miranda Carreño, Rubén; Yustos Cuesta, Pedro; Toledo Gabriel, José Manuel; Guijarro Gil, María Isabel; Rigual Hernández, Victoria de los Ángeles; Ayuso Sebastián, Miguel Aythami; Ovejero Pérez, Antonio; Hopson Safatli, Cynthia Elizabeth; García Somoza, Noelia Item Technoeconomic Assessment of a Biomass Pretreatment + Ionic Liquid Recovery Process with Aprotic and Choline Derived Ionic Liquids(ACS Sustainable Chemistry & Engineering, 2021) Ovejero Pérez, Antonio; Ayuso Sebastián, Miguel Aythami; Rigual Hernández, Victoria De Los Ángeles; Domínguez Toribio, Juan Carlos; García González, Julián; Alonso Rubio, María Virginia; Oliet Pala, María Mercedes; Rodríguez Somolinos, FranciscoIonic liquids have shown promising results in biomass pretreatment; however, an extensive water washing step is necessary. This fact increases not only the processing costs but also those associated with the ionic liquid recovery step. In this work, Eucalyptus globulus wood pretreated with two acetate-based ionic liquids, namely 1-ethyl-3-methylimidazolium acetate and choline acetate, has been washed with increasing volumes of water in order to analyze the influence of the amount of washing water used on the subsequent enzymatic hydrolysis stage and on the IL recovery costs. Vapor−liquid equilibria data of recovered ionic liquid/water mixtures have been determined to simulate the IL recovery step with Aspen Plus, calculating the operating costs using the Aspen Plus Economics Analyzer afterward. [Emim][OAc] was more efficiently washed and more effective toward wood pretreatment than [Ch][OAc]. Both IL/water systems were successfully modeled, and simulation studies showed that incremental volumes of water led to higher operating costs in the IL recovery step that are compensated with less IL makeup costs. Therefore, this work offers a technoeconomical analysis of the IL recovery step in a real biorefinery pretreatment process as a function of the volume of water used in the pretreated wood washing stage.Item Destilación extractiva de hidrocarburos aromáticos de corrientes de refinería con líquidos iónicos como agentes másicos de separación(2023) Ayuso Sebastián, Miguel Aythami; Rodríguez Somolinos, Francisco; García González, JuliánEsta tesis doctoral se ha desarrollado en los laboratorios del Departamento de Ingeniería Química y de Materiales de la Facultad de Ciencias Químicas de la Universidad Complutense de Madrid. La actividad investigadora se ha llevado a cabo en el seno del grupo de investigación consolidado “Desarrollo de Procesos y Productos de Bajo Impacto Ambiental”. Los directores de la tesis doctoral han sido los profesores D. Francisco Rodríguez Somolinos y D. Julián García González, catedrático y profesor titular, respectivamente, del Departamento de Ingeniería Química y de Materiales. La tesis doctoral se ha financiado a través de los proyectosCTQ2017-85340-R del Ministerio de Economía, Industria y Competitividad (MINECO) y P2018/EMT-4348 (SUSTEC) de la Comunidad de Madrid. Además, el doctorando ha disfrutado de una beca de Formación de Personal Investigador (FPI) con referenciaPRE2018-083728 al amparo del proyecto de investigación CTQ2017-85340-R...- Project number: 375
Item Elaboración de tutorías basadas en casos en la asignatura de Termodinámica Aplicada(2023) García González, Julián; Alonso Rubio, María Virginia; Ayuso Sebastián, Miguel Aythami; Domínguez Toribio, Juan Carlos; García Sánchez, Beatriz; García Somoza, Noelia; Guijarro Gil, María Isabel; Hopson Safatli, Cynthia Elizabeth; Mateo Fernández, Sara; Oliet Pala, María Mercedes; Ovejero Pérez, Antonio; Rigual Hernández, Victoria de los Angeles; Toledo Gabriel, José Manuel; Yustos Cuesta, Pedro Item Choline Chloride-Based Deep Eutectic Solvents in the Dearomatization of Gasolines(ACS Sustainable Chemistry and Engineering, 2018) Larriba Martínez, Marcos; Ayuso Sebastián, Miguel Aythami; Navarro, Pablo; Delgado Mellado, Noemí; Gonzalez-Miquel, Maria; García González, Julián; Rodríguez Somolinos, FranciscoThe extraction of aromatic hydrocarbons from reformer and pyrolysis gasolines is currently performed by liquid-liquid extraction using organic solvents. Deep eutectic solvents (DES) are being widely studied as environmentally benign alternatives to conventional solvents since DES can be prepared using nontoxic and renewable chemicals. In this work, we have studied for the first time the application of DES in the extraction of aromatic hydrocarbons from reformer and pyrolysis gasolines. We have tested six choline chloride-based DES formed by ethylene glycol, glycerol, levulinic acid, phenylacetic acid, malonic acid, and urea as hydrogen bond donors. COSMO-RS method was employed to predict the performance of the DES in the extraction of aromatics, whereas experimental results indicate that DES formed by choline chloride and levulinic acid has exhibited the most adequate extractive and physical properties. Afterward, the simulation and optimization of the whole process for extraction of aromatics, recovery of extracted hydrocarbons, and regeneration of the solvent have been performed. The proposed process of dearomatization could work at moderate temperatures using a cheap, sustainable, and nontoxic solvent.Item Thermal stability of choline chloride deep eutectic solvents by TGA/FTIR-ATR analysis(Journal of Molecular Liquids, 2018) Delgado Mellado, Noemí; Larriba Martínez, Marcos; Navarro, Pablo; Rigual Hernández, Victoria De Los Ángeles; Ayuso Sebastián, Miguel Aythami; García González, Julián; Rodríguez Somolinos, FranciscoDeep eutectic solvents (DESs) based on the cation choline have been proposed to date for a variety of applications due to their remarkable physicochemical properties. The thermal stability is one of the first properties of DESs that needs to be known since it limits the maximum operating temperature for which these solvents are useful in many applications. In this work, the thermal stability of eight different choline chloride-based DESs formed using levulinic acid, malonic acid, glycerol, ethylene glycol, phenylacetic acid, phenylpropionic acid, urea, and glucose as hydrogen bond donors (HBDs) has been studied using isothermal and dynamic thermogravimetric analysis/Fourier transform infrared-attenuated total reflectance spectroscopy (TGA/FTIR-ATR) techniques. Isothermal and dynamic FTIR-ATR was carried out to confirm the formation and to show the structural changes with temperature of the DESs, respectively. The onset decomposition temperatures of the DESs were obtained from dynamic TGA. However, the maximum operating temperatures determined by isothermal TGA in long-term scenarios have demonstrated to be significantly much lower than the onset decomposition temperatures for every DES studied. The thermal stability and the boiling point of HBDs have a crucial impact on the maximum operating temperature of DESs.