Listar por autor "Ruiz-Rosas, Ramiro Rafael"
Mostrando ítems 1-20 de 60
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A Kinetic Model Considering Catalyst Deactivation for Methanol-to-Dimethyl Ether on a Biomass-Derived Zr/P-Carbon Catalyst
Torres-Liñán, Javier
; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (IOAP-MDPI, 2022-01-13)
A Zr-loaded P-containing biomass-derived activated carbon (ACPZr) has been tested for methanol dehydration between 450 and 550 °C. At earlier stages, methanol conversion was complete, and the reaction product was mainly ... -
A perspective on the preparation of value-added carbon materials from lignin
Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Cordero-Alcántara, Tomás; Rodríguez-Mirasol, José (2022)
The thermochemical conversion of lignin into different added-value carbon materials constitutes an alternative approach for valorization of this co-product that can be integrated in pulping and biorefinery processes. Such ... -
Activation of electrospun lignin-based carbon fibers and their performance as self-standing supercapacitor electrodes
García-Mateos, Francisco José; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Morallón, Emilia; Cazorla-Amorós, Diego; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (Elsevier, 2020)
The production and activation of self-standing carbon electrodes from electrospun lignin fibers was analyzed in this work. Carbon microfibers were prepared at 900 °C from air-stabilized spun cloths by direct carbonization ... -
Activation of electrospun lignin-based carbon fibers and their performance as self-standing supercapacitor electrodes
Ruiz-Rosas, Ramiro Rafael; Cordero-Alcántara, Tomás; Rodríguez-Mirasol, José; Rosas-Martínez, Juana María; García-Mateos, Francisco José; Cazorla-Amorós, Diego; Morallón, Emilia[et al.] (2020-02-17)
The production and activation of self-standing carbon electrodes from electrospun lignin fibers was analyzed in this work. Carbon microfibers were prepared at 900 °C from air-stabilized spun cloths by direct carbonization ... -
An integrated approach to the valorization of pyrolysis products from lignocellulosic residues and by-products
Recio-Ruiz, María del Carmen; Ruiz-Rosas, Ramiro Rafael; García-Mateos, Francisco José; Valero-Romero, María José; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (Elsevier, 2025-02-19)
Pyrolysis of biomass waste enables the generation of energy and products, although the sustainability of this process requires an integral valorization of all produced fractions. This paper presents a study on the valorization ... -
Assessment of Agricultural Residue to Produce Activated Carbon-Supported Nickel Catalysts and Hydrogen Rich Gas.
Hosseinzaei, Behnam; Hadianfard, Mohammad Jafar; Esmaeilzadeh, Feridun; Recio-Ruiz, María del Carmen; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (MDPI, 2023-05-08)
The aim of this study was to synthesize chemically activated carbons from different agricultural residues, i.e., pistachio shell (PS), bitter orange peel (OP), and saffron petal (SP), and subsequently to use them as supports ... -
Biobased Vanillin Production by Oxidative Depolymerization of Kraft Lignin on a Nitrogen- and Phosphorus-Functionalized Activated Carbon Catalyst
García-Rollán, Miguel; Rivas-Márquez, María Nerea; Bertran-Llorens, Salvador; Deuss, Peter J.; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (ACS, 2024-04-04)
The sustainable production of vanillin from the oxidative depolymerization of lignin was evaluated. Vanillin was produced from Kraft lignin using heterogeneous catalysts based on activated carbons prepared by chemical ... -
Biomass-derived binderless fibrous carbon electrodes for ultrafast energy storage.
Berenguer-Betrián, Raúl; García-Mateos, Francisco José; Ruiz-Rosas, Ramiro Rafael; Cazorla-Amorós, Diego; Morallón, Emilia; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (Royal Society of Chemistry, 2015-10-14)
The possibility of storing energy efficiently and sustainably at little cost is crucial to prevent climate change and the exhaustion of natural resources. In this work we demonstrate that interconnected and porous carbon ... -
Caracterización de la fracción sólida de la pirólisis de residuos lignocelulósicos
Recio-Ruiz, María del Carmen; Ruiz-Rosas, Ramiro Rafael; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás; Rosas-Martínez, Juana María (2022-04-27)
Los carbonizados obtenidos a partir de pirólisis de residuos de origen lignocelulósico despiertan un creciente interés por sus aplicaciones potenciales como fuente de energía, adsorbentes de bajo coste y enmiendas de suelo. ... -
Caracterización de nanoestructuras de carbono depositadas sobre catalizadores fibrilares Fe@ZrO2 durante la síntesis de Fischer-Tropsch con gas de síntesis de biomasa.
Rodríguez-Cano, Miguel Ángel; García-Mateos, Francisco José; Valero-Romero, María José; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2023)
La síntesis de Fischer-Tropsch (SFT) es una ruta alternativa para obtener combustibles líquidos y productos petroquímicos (como olefinas), que puede tener emisiones de CO2 neutras si se usa biomasa para la obtención del ... -
Carbon-based biomass-derived catalysts for deoxygenation of fast pyrolysis bio-oil
Recio-Ruiz, María del Carmen; García-Mateos, Francisco José; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2023)
Producing energy and chemicals from biomass is an interesting alternative for replacing conventional fossil sources with a renewable feedstock while enabling zero net greenhouse gases emissions. Particularly, fast pyrolysis ... -
Catalizadores básicos a partir de lignina para la deshidrogenación de alcoholes
Rosas-Martínez, Juana María; García-Mateos, Francisco José; Ruiz-Rosas, Ramiro Rafael; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás; García-Rollán, Miguel[et al.] (2022-04-27)
Las propiedades de la lignina junto con su potencial como materia renovable, convierten a este subproducto en un precursor ideal para la preparación de materiales de carbono. En este trabajo se han preparado catalizadores ... -
Catalizadores bimetálicos fibrilares de base carbonosa para la reducción de nitratos.
García-Mateos, Francisco José; Jiménez Gómez, M.R.; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2023)
Uno de los principales problemas de la contaminación de las aguas superficiales y subterráneas es su alto contenido en nitratos, procedentes de los vertidos (inadecuados) de actividades industriales o agrícolas. Los ... -
Catalytic fast pyrolysis of olive stone for bio-oil deoxygenation.
Recio-Ruiz, María del Carmen; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2023)
In this work, conventional, fast and catalytic fast pyrolysis of olive stone residues were studied with a commercial catalyst with mild acidity, γ-Al2O3, an activated carbon from olive stones (AC) prepared by chemical ... -
Characterization of carbon nanostructures deposited on fibrillar Fe-Zr catalysts during Fischer-Tropsch Synthesis with syngas from biomass gasification
Rodríguez-Cano, Miguel Ángel; García-Mateos, Francisco José; Valero-Romero, María José; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2023)
Fischer-Tropsch synthesis (FTS) is an alternative way to obtain fuels and petrochemical products with low greenhouse gases emissions when biomass is used as syngas source. However, gasification of lignocellulosic biomass ... -
CO2 hydrogenation to methanol on In2O3/ZrO2 fibrillar catalysts.
García-Mateos, Francisco José; Valero-Romero, María José; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2023)
Hydrogenation of CO2 to produce methanol is regarded as one of the most promising processes for achieving full deployment of carbon capture, utilization and storage technologies, which are needed to decrease the emission ... -
Comportamiento electroquímico de carbones activados con presencia de grupos superficiales de fósforo
Gallardo-Fuentes, Aurora; Ruiz-Rosas, Ramiro Rafael; Berenguer-Betrián, Raúl; Morallón, Emilia; Cazorla-Amorós, Diego; Nishihara, Hirotomo; Kyotani, Takashi; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2013-11-05)
Debido a su elevada superficie específica y una combinación única de conductividad, estabilidad y gran versatilidad química-estructural, los carbones activados (CAs) se emplean como electrodos en diversas aplicaciones ... -
Comportamiento electroquímico de materiales de carbono preparados a altas temperaturas.
Ruiz-Rosas, Ramiro Rafael; García-Mateos, Francisco José; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2022-04)
En este trabajo se presenta la utilización de hueso de aceituna para la preparación de carbones activos por activación química con H3PO4 y de lignina Alcell para la obtención de fibras de carbón mediante electrospinning ... -
Controling the porosity of activated carbons from chemical activation with phosphoric acid of sodium lignosulfonate
García-Rollán, Miguel; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2022)
Lignin constitutes an ideal precursor for the preparation of porous carbon materials owing to its high carbon content and the abundance of aromatic rings. In the present work, we propose the valorisation of a sodium ... -
Conversión catalítica de metanol sobre catalizadores ácidos de carbono
Valero-Romero, María José; Calvo-Muñoz, Elisa Maria; Ruiz-Rosas, Ramiro Rafael; Bedia García-Matamoros, Jorge; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2013-11-04)
En las últimas décadas, el estudio y desarrollo de carbones activos como catalizadores o soportes catalíticos se ha incrementado enormemente debido a las ventajas derivadas de su elevada capacidad adsorbente, inercia y ...