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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 ... -
Green approach to the Isosorbide Conversion into Dimethyl isosorbide
Ginés-Molina, María José; Luque, Rafael; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús (2017-12-22)Isosorbide is one of the most promising products derived from sorbitol. It has already found many applications, mainly in the polymer industry and medicine, such as isosorbide polycarbonate1 (DURABIO®) and isosorbide ... -
Heterogeneous catalysis for the synthesis of carbon dots (CDs) from biomass source
Rodríguez Carballo, Gabriela; Moreno-Tost, Ramón; Algarra-González, Manuel; Fernandes, Sónia; Esteves Da Silva, Joaquim C.G.; Pinto da Silva, Luís; Esteves Da Silva, Joaquim C.G.[et al.] (2022)It has been evaluated the capacity of several phosphate-based acid catalysts of transition metals such as vanadium and niobium in the synthesis of carbon dots (CDs) via a hydrothermal process. For this purpose, two sources ... -
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, ... -
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 ... -
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 ... -
Mesoporous niobium oxide for dehydration of D-xylose into furfural
García-Sancho, Cristina; Rubio Caballero, Juan Miguel; Moreno-Tost, Ramón; Mérida-Robles, Josefa María; Santamaría-González, José; Jiménez López, Antonio; Maireles-Torres, Pedro Jesús[et al.] (2013-09-13)El furfural posee un gran potencial como molécula plataforma de origen renovable para la síntesis de una alta variedad de compuestos químicos. Se obtiene mediante la deshidratación de pentosas, principalmente a partir de ... -
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 ... -
Nanoesferas porosas de SiO2 dopadas con Zr y su uso en procesos catalíticos one-pot para la obtención de productos de alto valor añadido desde furfural
Maderuelo-Solera, Rocío; Richter, Stefan; Jiménez-Gómez, Carmen Pilar; García-Sancho, Cristina; García-Mateos, Francisco José; Rosas-Martínez, Juana María; Moreno-Tost, Ramón; Cecilia-Buenestado, Juan Antonio; Maireles-Torres, Pedro Jesús[et al.] (2021)En el presente trabajo, se ha estudiado la modificación de nanoesferas porosas de SiO2 con diferente proporción de Zr para obtener catalizadores con relaciones molares Si/Zr entre 2.5 y 30. Estos materiales se han caracterizado ... -
Nanopartículas de óxido de silicio y aluminio para la producción de 5-hidroximetilfurfural desde galactosa
Torres-Olea, Benjamín; Alcalá-García, María José; García-Sancho, Cristina; Cecilia-Buenestado, Juan Antonio; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (2022)El problema del calentamiento global, fuentes de recursos fósiles limitadas y amenazas de desabastecimiento empujan al desarrollo de nuevos métodos de obtención de recursos procedentes de fuentes renovables, tales como la ... -
NB2O5 soportado en SBA-15 para la deshidratación de glicerol a acroleína
Moreno-Tost, Ramón; Cecilia-Buenestado, Juan Antonio; Moreno Ruíz, A.; García-Sancho, Cristina; Mérida-Robles, Josefa María; Santamaría-González, José; Maireles-Torres, Pedro Jesús[et al.] (2013)La producción industrial de la acroleína se basa en la oxidación selectiva del propeno, de origen fósil, en presencia de catalizadores complejos de BiMoOx . Debido a la disminución de los recursos petroquímicos, los recursos ... -
Obtención de 5-hidroximetilfurfural a partir de agarosa y galactosa usando nanoesferas de sílica-alúmina.
Torres-Olea, Benjamín; Rodríguez Carballo, Gabriela; García-Sancho, Cristina; Moreno-Tost, Ramón; Cecilia-Buenestado, Juan Antonio; Maireles-Torres, Pedro Jesús[et al.] (2023)En los últimos años, existe un gran interés en la obtención de moléculas plataforma mediante el uso de materias primas renovables. El 5-hidroximetilfurfural (HMF), una de estas moléculas plataforma, es un compuesto valioso ... -
Obtención de acroleína mediante la deshidratación de glicerol en presencia de Al-SBA-15
Cecilia-Buenestado, Juan Antonio; García-Sancho, Cristina; Mérida-Robles, Josefa María; Santamaría-González, José; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (2015-09-02)Hoy en día es necesaria la búsqueda de nuevas aplicaciones a los excedentes de glicerol provenientes de la industria del biodiésel, siendo su deshidratación a acroleína, un intermedio muy importante y versátil en la industria ... -
Oxidation of lignocellulosic platform molecules to value-added chemicals using heterogeneous catalytic technologies
Arias, Pedro Luis; Cecilia-Buenestado, Juan Antonio; Gandarias, Iñaki; Iglesias, José; López Granados, Manuel; Mariscal, Rafael; Morales, Gabriel; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (The Royal Society of Chemistry, 2020-04-10)Currently, much attention is being paid to the development of sustainable catalytic processes for the production of chemicals (biofuels, bioproducts, and so on) from lignocellulosic biomass. This minireview pursues to give ... -
Oxidative Condensation of Furfural with Ethanol Using Pd-Based Catalysts: Influence of the Support
Cecilia-Buenestado, Juan Antonio; Jiménez-Gómez, Carmen Pilar; Torres-Bujalance, Virginia; García-Sancho, Cristina; Moreno-Tost, Ramón; Maireles-Torres, Pedro Jesús[et al.] (MDPI, 2020-11-12)PdO nanoparticles were deposited on several supports (β-zeolite, Al2O3, Fe2O3, MgO, and SiO2), which displayed different crystallinity, textural properties, and amount of acid and basic sites. These catalysts were characterized ...