Listar por autor "García-Sancho, Cristina"
Mostrando ítems 1-20 de 53
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Application of a two-step water:methyl isobutyl ketone:ethanol biphasic system in the production of 5-ethoxymethylfurfural from glucose
Torres-Olea, Benjamín; Rodríguez Carballo, Gabriela; Moreno-Tost, Ramón
; Domine, Marcelo E.; Cecilia, Juan Antonio; García-Sancho, Cristina; Marieles-Torres, Pedro[et al.] (Elsevier, 2024-12-15)
In this work, the use of glucose as feedstock to produce the biofuel 5-ethoxymethylfurfural (EMF) is explored using a two-step system. The first step is optimized for the dehydration of glucose into 5-hydroxymethylfurfural ... -
Application of zeolites for the production of biofuels and furans from hexose sugars in ethanol.
Torres-Olea, Benjamín; Pérez-Merchán, Antonio Manuel; Díaz-Maizkurrena, P.; Requies, Jesús M.; Moreno-Tost, Ramón; Cecilia-Buenestado, Juan Antonio; García-Sancho, Cristina; Maireles-Torres, Pedro Jesús[et al.] (Elsevier, 2023-10-24)
The use of zeolites as catalysts in the transformation of glucose and 5-hydroxymethylfurfural (HMF) into 5-ethoxymethylfurfural (EMF) was evaluated. The behaviour of the catalysts could be explained by their morphology, ... -
Catalizadores ácidos basados en Nb2O5 para procesos sostenibles en biorrefinerías: producción de biodiésel, acroleína y furfural
García-Sancho, Cristina (Universidad de Málaga, Servicio de Publicaciones y Divulgación Científica, 2014)
En la actualidad, se pretende sustituir gran parte del consumo energético mundial basado en los combustibles fósiles por energía procedente de fuentes renovables. En este sentido, el uso de la biomasa como energía alternativa ... -
Catalizadores de cu-Mn para la hidrogenación de furfural en fase gas
Jiménez-Gómez, Carmen Pilar; García-Sancho, Cristina; Cecilia-Buenestado, Juan Antonio; Alba Rubio, Ana Carolina; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (2021)
La biomasa está adquiriendo un papel fundamental para la producción de energía, biocombustibles y productos químicos. Su hidrogenación a alcohol furfurílico (FOL) es la principal aplicación del furfural, proceso que se ... -
Catalysts Based on Ni and Mg Oxides for the One-Pot Production of High Added-Value Products from Furfural.
Maderuelo-Solera, Rocío; Jiménez-Gómez, Carmen Pilar; Cecilia-Buenestado, Juan Antonio; García-Sancho, Cristina; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (Wiley, 2024-03-31)
A family of NiO-MgO samples with Ni/Mg molar ratio between 0.10 and 0.30 are synthesized by co-precipitation and subsequent calcination. The characterization of the samples show the formation of a solid solution with a ... -
Catalytic Activity of Mixed Al2O3-ZrO2 Oxides for Glucose Conversion into 5-Hydroxymethylfurfural
Torres-Olea, Benjamín; Mérida-Robles, Sandra; García-Sancho, Cristina; Cecilia-Buenestado, Juan Antonio; Maireles-Torres, Pedro Jesús (MDPI, 2020-08-04)
In the present work, a series of catalysts based on aluminum and zirconium oxides was studied for the transformation of glucose into 5-hydroxymethylfurfural. These catalysts were characterized by using experimental techniques, ... -
Catalytic transfer hydrogenation of furfural to furfuryl alcohol over calcined MgFe hydrotalcites
Maderuelo-Solera, Rocío; López Asencio, Raquel; Cecilia-Buenestado, Juan Antonio; Jiménez-Gómez, Carmen Pilar; García-Sancho, Cristina; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (Elsevier B.V., 2019-11-07)
Catalytic transfer hydrogenation is an alternative catalytic approach for the reduction of carbonyl groups, instead of the use of dihydrogen gas. In this sense, a series of catalysts has been prepared by thermal treatment ... -
Conversión de celulosa en 5-hidroximetilfurfural en presencia de Zr-KIT-6
Mérida Morales, Sandra; García-Sancho, Cristina; Ginés-Molina, María José; Cecilia-Buenestado, Juan Antonio; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (2018-07-04)
El 5-hidroximetilfurfural (HMF) es un producto químico de alto valor añadido que puede ser transformado en numerosos productos químicos y biocombustibles. Se han realizado numerosos esfuerzos para obtener HMF a partir de ... -
Dehydration of glucose to 5-hydroxymethylfurfural using zirconium doped mesoporous silica as catalyst
Mérida Morales, Sandra; García-Sancho, Cristina; Ginés-Molina, María José; Cecilia-Buenestado, Juan Antonio; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (2019-10-03)
In recent years, the valorization of carbohydrates coming from lignocellulosic biomass. such as glucose, is gaining attention to obtain high value-added products like 5-hydroxymethylfurfural (HMF). The objective of this ... -
Deshidratación de glucosa a 5-hidroximetilfurfural mediante sílices mesoporosas dopadas con circonio
Maireles-Torres, Pedro Jesús; Moreno-Tost, Ramón; Cecilia-Buenestado, Juan Antonio; Ginés-Molina, María José; García-Sancho, Cristina; Mérida Morales, Sandra[et al.] (2019-07-01)
La búsqueda de nuevas fuentes de carbono se ha convertido en un objetivo esencial debido tanto a la disminución de las reservas de combustibles fósiles, como a la contaminación que su uso conlleva. El empleo de la biomasa ... -
Efecto sinérgico entre sales inorgánicas y γ-Al2O3 para la deshidratación de xilosa a furfural
Fúnez Núñez, Inmaculada; García-Sancho, Cristina; Cecilia-Buenestado, Juan Antonio; Serrano Cantador, Luis; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (2018-07-04)
La biomasa lignocelulósica, con un alto contenido en hemicelulosa, es una de las principales fuentes de pentosas pentosas a partir de las cuales se pueden obtener biocombustibles y productos químicos de alto valor añadido, ... -
Effect of the treatment with H3PO4 on the catalytic activity of Nb2O5 supported on Zr-doped mesoporous silica catalyst. Case study: glycerol dehydration.
García-Sancho, Cristina; Cecilia-Buenestado, Juan Antonio; Mérida-Robles, Josefa María; Santamaría-González, José; Moreno-Tost, Ramón; Infantes-Molina, Antonia; Maireles-Torres, Pedro Jesús[et al.] (Elsevier B.V., 2017-09-06)
We have previously demonstrated the influence of the niobium species over the glycerol dehydration reaction and how the catalyst regeneration by thermal treatment modified the catalytic performance due to the transformation ... -
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, ... -
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 ... -
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. ... -
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 ...