Listar por autor "Cecilia-Buenestado, Juan Antonio"
Mostrando ítems 21-40 de 83
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Gas phase selective hydrogenation of furfural to furfuryl alcohol and 2-methylfuran over Cu-CeO2 coprecipitated catalysts
Márquez Rodríguez, Imanol; Jiménez López, Carmen Pilar; Cecilia-Buenestado, Juan Antonio
; Santamaría-González, José; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (2015-10-19)
Furfural is an important chemical derived from lignocellulosic biomass, in particular from C5 sugars like xylose, and it is considered as a platform molecule of great potential for the synthesis of a broad spectrum of ... -
Gas-Phase Hydrogenation of Furfural to Furfuryl Alcohol over Cu-ZnO-Al2O3 Catalysts Prepared from Layered Double Hydroxides
Bertolini, Guillermo R.; Jiménez-Gómez, Carmen Pilar; Cecilia-Buenestado, Juan Antonio; Maireles-Torres, Pedro Jesús (MDPI, 2020-04-29)
Several layered double hydroxides (LDHs) with general chemical composition (Cu,Zn)1-xAlx(OH)2(CO3)x/2 .. mH2O have been synthesized by the co-precipitation method, maintaining a (M2+/M3+) molar ratio of 3, and varying the ... -
Glyphosate adsorption onto porous clay heterostructure (PCH): kinetic and thermodynamic studies
Besghaier, Sabrine; Cecilia-Buenestado, Juan Antonio; Chouikhi, Nesrine; Vilarrasa García, Enrique; Rodríguez-Castellón, Enrique; Chlendi, Mohamed; Bagane, Mohamed[et al.] (Springer, 2021-10-07)
The synthesis of PCH from natural bentonite produces a porous heterostructure material effective for the adsorption of glyphosate from water. The adsorption process takes place through an interaction between the silanol ... -
Hidrocalumita: preparación por el método mecanoquímico y su aplicacion en la isomerización de glucosa a fructosa.
Pérez-Merchán, Antonio Manuel; Malpartida-García, Irene; Cecilia-Buenestado, Juan Antonio; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús (2023)
La fructosa es la llave para la formación de diversas moléculas plataformas tales como, furfural, 5-hidroximetilfurfural (HMF), acido levulinico, ácido fórmico y acido láctico. Actualmente en la industria se utilizan ... -
Hydrogenation of furfural over supported Pd catalysts
Torres Bujalance, Virginia; Cecilia-Buenestado, Juan Antonio; Jiménez-Gómez, Carmen Pilar; García-Sancho, Cristina; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (2018-07-16)
Lignocellulosic biomass is the most abundant and economical non-fossil carbon source. Furthermore, it is not competitive with the food chain, coming from lignocellulosic wastes including agricultural and food processing, ... -
Hydrotalcite-catalyzed methylation of isosorbide via dimethyl carbonate: Influence of the catalyst on the reaction mechanism
Ginés-Molina, María José; Santamaría-González, José; Maireles-Torres, Pedro Jesús; Cecilia-Buenestado, Juan Antonio; Luque, Rafael; López Granados, Manuel; Trapasso, Giacomo; Aricò, Fabio; Soto-Martín, Juan; Moreno-Tost, Ramón[et al.] (Elsevier, 2025-02)
This work presents the results of the methylation of isosorbide to produce dimethyl isosorbide using dimethyl carbonate as methylating agent and reaction medium and a MgAl mixed oxide derived from the calcination of a ... -
Influence of CO2 presence on propane conversion routes over Cr- and Ga-doped PtCe/Al2O3 catalysts
Ballesteros-Plata, Daniel; Barroso-Martín, Isabel; Cecilia-Buenestado, Juan Antonio; Concepción, P.; López Nieto, José Manuel; Rodríguez-Castellón, Enrique; Infantes-Molina, Antonia[et al.] (Elsevier, 2025-04-11)
A set of catalysts containing Cr- or Ga-doped Pt-CeO2 supported on alumina (PCA, Cr-PCA and Ga-PCA) were synthesized by incipient wetness impregnation and tested in propane conversion processes. The catalysts were studied ... -
Influence of Lewis and Brønsted acid catalysts in the transformation of hexoses into 5-ethoxymethylfurfural
Torres-Olea, Benjamín; Fúnez Núñez, Inmaculada; García-Sancho, Cristina; Cecilia-Buenestado, Juan Antonio; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (Elsevier, 2023)
Several sulfonated polymers, which are typical Brønsted acid catalysts, have been employed in the production of two biofuels: 5-ethoxymethylfurfural (EMF) and ethyl levulinate (EL) as main byproduct, and the catalytic ... -
Influence of morphology of zirconium-doped mesoporous silicas on 5-hydroxymethylfurfural production from mono-, di- and polysaccharides
Mérida Morales, Sandra; García-Sancho, Cristina; Oregui-Bengoechea, Mikel; Ginés-Molina, María José; Cecilia-Buenestado, Juan Antonio; Arias, Pedro Luis; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (Elsevier B.V., 2020-02-21)
Different zirconium-doped mesoporous silicas (Zr-KIT-6, Zr-SBA-15, Zr-MCM-41 and Zr-HMS) were synthesized and evaluated in the glucose dehydration to 5-hydroxymethylfurfural (HMF). A Si/Zr molar ratio of 5 was chosen for ... -
Influence of Structure-modifying Agents in the Synthesis of Zr-doped SBA-15 Silica and Their Use as Catalysts in the Furfural Hydrogenation to Obtain High Value-added Products through the Meerwein-Ponndorf-Verley Reduction
López-Asensio, Raquel; Jiménez-Gómez, Carmen Pilar; García-Sancho, Cristina; Moreno-Tost, Ramón; Cecilia-Buenestado, Juan Antonio; Maireles-Torres, Pedro Jesús[et al.] (MDPI, 2019-02-14)
Zr-doped mesoporous silicas with different textural parameters have been synthesized in the presence of structure-modifying agents, and then characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), ... -
Influence of synthesis conditions in the catalytic performance of Nb-P catalysts
Cecilia-Buenestado, Juan Antonio; García-Sancho, Cristina; Mérida-Robles, Josefa María; Santamaría-González, José; Maireles-Torres, Pedro Jesús; Jiménez-López, José Antonio; Moreno-Tost, Ramón[et al.] (2014-07-14)
Glycerol is a natural byproduct of the manufacture of soaps from the hydrolysis of animal fats and vegetable oils. Due to the incessant increment of the worldwide production of biodiesel, the production of glycerol, a ... -
Influence of the Incorporation of Basic or Amphoteric Oxides on the Performance of Cu-Based Catalysts Supported on Sepiolite in Furfural Hydrogenation
Guerrero-Torres, Antonio; Jiménez-Gómez, Carmen Pilar; Cecilia-Buenestado, Juan Antonio; García-Sancho, Cristina; Quirante-Sánchez, José Joaquín; Mérida-Robles, Josefa María; Maireles-Torres, Pedro Jesús[et al.] (MDPI, 2019-03-31)
Cu-based catalysts supported on sepiolite have been tested in vapor-phase hydrogenation of furfural. The incorporation of basic or amphoteric metal oxides (magnesium oxide, zinc oxide, or cerium oxide) improves the catalytic ... -
Kaolinite-based zeolites synthesis and their application in CO2 capture processes
Cecilia-Buenestado, Juan Antonio; Vilarrasa García, Enrique; Morales-Ospino, Rafael; Finocchio, Elisabetta (Elsevier, 2022-07-15)
In light of the urgent need of reducing the atmospheric CO2 emissions, the use of low-cost adsorbents, that exhibit a high affinity and CO2 adsorption capacity, is a promising method from the economic and environmental ... -
Magnetitas utilizadas para la obtención de alcohol furfurílico a partir de furfural mediante transferencia catalítica de hidrógeno
López-Asensio, Raquel; Cecilia-Buenestado, Juan Antonio; Jiménez-Gómez, Carmen Pilar; García-Sancho, Cristina; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (2018-07-16)
El furfural es considerado como una molécula plataforma debido a su alta reactividad en procesos de hidrogenación, oxidación, alquilación o deshidratación, originando una gran variedad de productos de alto valor añadido. ... -
Materials Design for N2O Capture: Separation in Gas Mixtures
Ballesteros-Plata, Daniel; Cecilia-Buenestado, Juan Antonio; Barroso-Martín, Isabel; Jiménez-Jiménez, José; Infantes-Molina, Antonia; Rodríguez-Castellón, Enrique[et al.] (IOAP-MDPI, 2022-11-29)
The adsorption of greenhouse gases (GHG) as a method to reduce their emissions into the atmosphere is an alternative that is easier to implement industrially and cheaper than other existing technologies, such as chemical ... -
Mesoporous mixed Nb2O5-ZrO2 catalysts for dehydration of glucose into 5-hydroxymethylfurfural
García-Sancho, Cristina; Cecilia-Buenestado, Juan Antonio; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús (2016-09-15)
Biomass is the world’s most important renewable carbon source, whose major component, carbohydrates, can be valorized by transformation into biofuels and high value-added chemicals. Among the latter, 5-hydroxymethylfurfural ... -
Microwave-assisted acid treatment for the mineral transformation of chrysotile as an alternative for asbestos waste management
Essih, Salima; Pardo, Laura; Cecilia-Buenestado, Juan Antonio; Dos-Santos-Gómez, Lucía; Pérez-Colodrero, Rosario Mercedes; Pozo, Manuel; Calero, Gustavo; Franco-Duro, Francisco Ignacio[et al.] (Springer, 2024-07-18)
In this work, the efect of microwaveassisted acid treatments on the morphological and crystallochemical characteristics of chrysotile fbers is investigated. A low concentration of nitric acid (0.2 N) is used to remove ... -
Mixed Oxides Derived from Hydrotalcites Mg/Al Active in the Catalytic Transfer Hydrogenation of Furfural to Furfuryl Alcohol
López-Asensio, Raquel; Cecilia-Buenestado, Juan Antonio; Herrera-Delgado, María Concepción; Larrubia-Vargas, María Ángeles; García-Sancho, Cristina; Maireles-Torres, Pedro Jesús; Moreno-Tost, Ramón[et al.] (IOAP-MDPI, 2022-12-26)
Herein, a family of Mg/Al hydrotalcites was synthesized as catalytic precursors of MgAlOx mixed oxides. Both hydrotalcites and mixed oxides were characterized and the mixed oxides were tested in the reduction of furfural ... -
Modification of the Textural Properties of Chitosan to Obtain Biochars for CO2-Capture Processes
Barroso-Martín, Isabel; Cecilia-Buenestado, Juan Antonio; Vilarrasa García, Enrique; Ballesteros-Plata, Daniel; Jiménez Gómez, Carmen Pilar; Vílchez-Cózar, Álvaro; Infantes-Molina, Antonia; Rodríguez-Castellón, Enrique[et al.] (IOAP-MDPI, 2022-12-01)
Three chitosans with different morphologies have been used (commercial chitosan powder, chitosan in film form and chitosan in globular form synthesized by the freeze-dried method) for the synthesis of biochars. The pyrolytic ... -
N2O Assisted Ethane Transformation into Ethylene Using NiO--CeO2--ZrO2 Catalysts
Sánchez, Ginebra; Dejoz, Ana M.; Fernández-Domene, Ramón; Barroso-Martín, Isabel; Ballesteros-Plata, Daniel; Infantes-Molina, Antonia; Cecilia-Buenestado, Juan Antonio; Rodríguez-Castellón, Enrique; López Nieto, José Manuel; Sánchez-Tovar, Rita; Solsona, Benjamín[et al.] (Wiley, 2024-11)
NiO--CeO2 and NiO--CeO2--ZrO2 catalysts have been synthesized, electrochemically characterized (Mott-Schottky (MS) measurements and Electrochemical Impedance Spectroscopy), physicochemically characterized (by N2 adsorption, ...