Listar por autor "García-Mateos, Francisco José"
Mostrando ítems 21-40 de 54
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Evaluation of acetanilide and antipyrine adsorption on lignin-derived activated carbons.
Gutierrez, Maria del Carmen; García-Mateos, Francisco José
; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (Elsevier, 2024-07-01)
In this study, the removal of two emerging pollutants (EPs), antipyrine and acetanilide, through adsorption on activated carbons (ACs) prepared by chemical activation of Organosolv lignin with H3PO4 were evaluated. ACs with ... -
Fibras de carbón con hierro como catalizadores Fischer-Tropsch preparados en un solo paso mediante el electrohilado de lignina.
Rodríguez-Cano, Miguel Ángel; García-Mateos, Francisco José; Ruiz-Rosas, Ramiro Rafael; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás; Rosas-Martínez, Juana María[et al.] (2022-04-27)
Vivimos una crisis climática generada por el creciente consumo de combustibles fósiles. Es por este motivo que se hace necesario buscar fuentes de energía alternativas, que sean renovables y no aumenten las emisiones de ... -
Fischer-Tropsch synthesis over lignin-derived cobalt-containing carbon fiber catalysts prepared in a single step by electrospinning
Valero-Romero, María José; García-Mateos, Francisco José; Sun, Xiaohui; Kapteijn, Freek; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2022)
In the present, work submicron-sized cobalt-containing lignin fibers have been prepared by the electrospinning technique, using Alcell lignin as carbon precursor, a low-cost co-product of the paper making industry. ... -
Fischer-Tropsch synthesis over lignin-derived cobalt-containing porous carbon fiber catalysts
Valero-Romero, María José; García-Mateos, Francisco José; Kapteijn, Freek; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (Elsevier, 2023)
Cobalt-containing lignin-based fibers were synthesized in one step by electrospinning of Alcell lignin solutions as carbon precursor, a low-cost and renewable co-product of the paper making industry. The lignin fibers were ... -
Flexible and low-cost binderless capacitors based on p- and n-containing fibrous activated carbons from denim cloth wastes
Rosas-Martínez, Juana María; Cordero-Alcántara, Tomás; García-Mateos, Francisco José; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2018-07-12)
Activated carbon cloths have been prepared from denim cloth wastes (DCWs) through chemical activation with H3PO4. The effect of the H3PO4/DCWs impregnation ratio and the carbonization temperature on the porous texture, ... -
High temperature treatments of porous activated carbon
García-Mateos, Francisco José; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2018-07-12)
The use of biomass waste for the preparation of activated carbon is of great industrial interest for reducing costs and increasing the sustainability, especially in the field of energy storage. A high temperature treatment ... -
Highly conductive microporous carbon fibers by electrospinning of lignin/phosphoric acid/ethanol solutions
García-Mateos, Francisco José; Rosas-Martínez, Juana María; Ruiz-Rosas, Ramiro Rafael; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2019-11-06)
This contribution reports the preparation of electrospun lignin-based carbon fibers at different carbonization temperatures and the influence of heat treatments at temperatures ranging from 900 to 1600 ºC. The influence ... -
Highly porous and conductive functional carbon fibers from electrospun phosphorus-containing lignin fibers
García-Mateos, Francisco José; Rosas-Martínez, Juana María; Ruiz-Rosas, Ramiro Rafael; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (Francisco J. García-Mateos, Juana M. Rosas, Ramiro Ruiz-Rosas, José Rodríguez-Mirasol, Tomás Cordero, Highly porous and conductive functional carbon fibers from electrospun phosphorus-containing lignin fibers, Carbon, Volume 200, 2022, Pages 134-148, ISSN 0008-6223, https://doi.org/10.1016/j.carbon.2022.08.050, 2022-11-05)
Functional carbon fibers were prepared by carbonization of thermostabilized electrospun lignin-fibers at 500–900 °C followed by a high temperature thermal treatment at 1200–1600 °C. The effect of the preparation temperature ... -
Lignin-derived Pt supported carbon (submicron)fiber electrocatalysts for alcohol electro-osidation.
García-Mateos, Francisco José; Cordero-Lanzac, Tomás; Berenguer-Betrián, Raúl; Morallón, Emilia; Cazorla-Amorós, Diego; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (Elsevier, 2017-04-03)
Lignin fibers, with and without phosphorus, and loaded with platinum have been prepared in a single step by electrospinning of lignin/ethanol/phosphoric acid/platinum acetylacetonate precursor solutions. Thermochemical ... -
Lignocellulosic derived activated carbon monoliths for emerging pollutants removal
Cordero-Alcántara, Tomás; García-Mateos, Francisco José; Ibeh, Paul O.; Martínez, Olaya; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José[et al.] (2019-10-31)
Activated carbons are materials of great interest due to their versatility. Most of the activated carbons are prepared mainly in the form of powder, however, in certain processes, the powder-like morphology implies, high ... -
MgO-containing porous carbon spheres derived from magnesium lignosulfonate as sustainable basic catalysts
García-Rollán, Miguel; García-Mateos, Francisco José; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (Elsevier, 2022-11-26)
The presence of alkalis in lignosulfonate allows an easy preparation of sustainable MgO-containing carbon catalysts with surface basicity by carbonization of magnesium lignosulfonate and/or further partial gasification of ... -
Modification of the morphology, porosity and surface chemistry of lignin-based electrospun carbon materials
Ruiz-Rosas, Ramiro Rafael; Rodríguez-Mirasol, José; Rosas-Martínez, Juana María; García-Mateos, Francisco José; Cordero-Alcántara, Tomás (2019-06-27)
Lignin is a biopolymer that can be found as the main component of plants. It is obtained as a coproduct in the papermaking and biofuel industries. Owing to its high carbon and aromatic content, high availability and reduced ... -
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 ... -
Novel lignin-based fibrous carbon materials
Berenguer-Betrián, Raúl; García-Mateos, Francisco José; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2014-07-28)
Lignin is (and will be) an important co-product in many lignocellulosic biomass-derived industries, such as pulp and paper mills (and the future biorefineries, when the concept of bio-economy be developed). The development ... -
One-pot synthesis of lignin-based electrospun oxygen reduction reaction electrocatalysts
Ruiz-Rosas, Ramiro Rafael; García-Mateos, Francisco José; Cordero-Alcántara, Tomás; Rodríguez-Mirasol, José; Ortega, Alejandro; Cazorla-Amorós, Diego; Morallón, Emilia[et al.] (2018-07-09)
Owing to their adequate combination of high surface area, electrical conductivity and electrochemical resistance, carbon fibers has been used for a long time as a catalyst supports and gas diffusion layers in the electrodes ... -
Porous SiO2 Nanospheres Modified with ZrO2 and Their Use in One- Pot Catalytic Processes to Obtain Value-Added Chemicals from 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.] (American Chemical Society, 2021-11-26)
Porous SiO2 nanospheres have been modified with different proportion of ZrO2 to obtain catalysts with Si/Zr molar ratio between 2.5 and 30. These materials were characterized by X-ray diffraction, transmission electron ... -
Preparación de catalizadores de Ni usando soportes carbonosos tratados a alta temperatura para el reformado con vapor de compuestos modelo de líquidos de pirólisis.
Cabrera-Reyes, Paula; García-Mateos, Francisco José; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2023)
La dependencia actual de los combustibles fósiles y los problemas relacionados con su uso han derivado en un aumento de la demanda de hidrógeno verde como vector energético y materia prima industrial. En este contexto, el ... -
Preparación de fibras submicrométricas de base carbonosa para aplicaciones energéticas y medioambientales
García-Mateos, Francisco José (UMA Editorial, 2017-06-01)
En esta Tesis Doctoral se estudia la valorización de la lignina como precursor de fibras de carbón. Para ello, las fibras se han preparado por electrospinning de disoluciones de lignina-etanol y lignina-etanol-H3PO4. Para ... -
Reducción catalítica de nitratos mediante catalizadores bimetálicos de pd-cu soportados sobre carbón activado derivado de lignina
García-Mateos, Francisco José; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás; Rosas-Martínez, Juana María (2022-04-27)
En este trabajo se presenta la utilización de lignina, con alto contenido en magnesio, para la preparación de soportes carbonosos por activación química con H3PO4. Los soportes carbonosos se han preparado a 500 ºC, variando ...