Listar por autor "Rosas-Martinez, Juana Maria"
Mostrando ítems 1-20 de 48
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A Kinetic Model Considering Catalyst Deactivation for Methanol-to-Dimethyl Ether on a Biomass-Derived Zr/P-Carbon Catalyst
Torres-Liñan, Javier
; Ruiz-Rosas, Ramiro Rafael; Rosas-Martinez, Juana Maria; Rodriguez-Mirasol, Jose; 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; Rodriguez-Mirasol, Jose (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 ... -
Activated carbon monoliths from lignocellulosic biomass waste for electrochemical
Rosas-Martínez, Juana María; Ibeh, Paul O.; Garcia-Mateos, Francisco Jose; Rodriguez-Mirasol, Jose; Cordero-Alcántara, Tomás (2019-12-13)
The valorization of lignocellulosic biomass waste into bio-based materials is proposed in this work in order to obtain low-cost materials and to reduce environmental impacts. Cylindrical activated carbon monoliths (ACMs) ... -
Activation of electrospun lignin-based carbon fibers and their performance as self-standing supercapacitor electrodes
Ruiz-Rosas, Ramiro Rafael; Cordero-Alcántara, Tomás; Rodriguez-Mirasol, Jose; Rosas-Martínez, Juana María; Garcia-Mateos, Francisco Jose; 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 ... -
Adsorption studies of octamethylcyclotetrasiloxane onto electrospun nanofibers for biogas purification.
(UMA Editorial, 2023)El objetivo general de la presente tesis doctoral, que se desarrolla para conseguir el grado de doctora por la Universidad Autónoma de Nuevo León en el programa de "Doctorado en Ciencias con Orientación en Procesos ... -
Alcohol decomposition on basic/acid lignin-derived submicron diameter carbon fibers
Garcia-Mateos, Francisco Jose; Rosas-Martínez, Juana María; Rodriguez-Mirasol, Jose; Cordero-Alcántara, Tomás (2018-07-12)
The use of lignin, the second most abundant polymer in nature, along with a simple and versatile technique, electrospinning, represents an advantageous and promising approach for the preparation of carbon fibers. In ... -
Biomass waste carbon materials for post-combustion CO2 capture
Calvo-Muñoz, Elisa Maria; Garcia-Mateos, Francisco Jose; Rosas-Martínez, Juana María; Rodriguez-Mirasol, Jose; Cordero-Alcántara, Tomás (Asociación Nacional de Químicos de España, 2016)
Low-carbon energy systems based on carbon capture and storage (CCS) have become of great interest due to the imperative necessity of mitigating the carbon footprint derived from the currently fossil fuels-based energy ... -
Caracterización de la fracción sólida de la pirólisis de residuos lignocelulósicos
Recio-Ruiz, María del Carmen; Ruiz-Rosas, Ramiro Rafael; Rodriguez-Mirasol, Jose; 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. ... -
Catalizadores básicos a partir de lignina para la deshidrogenación de alcoholes
Rosas-Martínez, Juana María; Garcia-Mateos, Francisco Jose; Ruiz-Rosas, Ramiro Rafael; Rodriguez-Mirasol, Jose; 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 ... -
Catalyst deactivation and regeneration for MTD reaction on Zr carbon-based catalyst
Torres-Liñan, Javier; Rodriguez-Mirasol, Jose; Cordero-Alcántara, Tomás; Rosas-Martínez, Juana María (Universidad de Alicante, 2019)
The aim of this work is the study of the deactivation and regeneration of a Zr-loading P-containing carbon catalyst on the dehydration of methanol to dimethyl ether. The Zr carbon-based catalyst showed a good performance ... -
Comportamiento electroquímico de materiales de carbono preparados a altas temperaturas.
Ruiz-Rosas, Ramiro Rafael; Garcia-Mateos, Francisco Jose; Rosas-Martínez, Juana María; Rodriguez-Mirasol, Jose; 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; Rodriguez-Mirasol, Jose; 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 ... -
Coordination problems in engineering degrees
Cortes-Reyes, Marina; Fernandez-Gago, Maria del Carmen; Díaz-Zayas, Almudena; Rosas-Martinez, Juana Maria (2019-07-29)
This work focuses on the analysis of the satisfaction level of the learning for the students of the degree of Chemical Engineering (CE), Engineering of Industrial Technologies (EIT), Engineering of the Energy (EE) and ... -
Deactivation of a Biomass-Derived Zirconium-Doped Phosphorus-Containing Carbon Catalyst in the Production of Dimethyl Ether from Methanol Dehydration
Torres-Liñan, Javier; García-Rollán, Miguel; Rosas-Martínez, Juana María; Rodriguez-Mirasol, Jose; Cordero-Alcántara, Tomás (ACS, 2021-08-31)
Dehydration of methanol to produce dimethyl ether (DME) was studied at relatively high temperatures (400–600 °C) on biomass-derived phosphorus-containing carbon impregnated with a zirconium salt. Highly thermally stable ... -
Deactivation of zirconium-phosphorus carbon catalyst on the dehydration of methanol todme reaction
Torres-Liñan, Javier; García-Rollán, Miguel; Palomo, José; Rosas-Martínez, Juana María; Rodriguez-Mirasol, Jose; Cordero-Alcántara, Tomás[et al.] (2018-07-12)
Dimethylether (DME) can be used for energy purpose instead of GLP and diesel, or as a feedstock for fuel cells. Moreover, DME is a platform and is an attractive alternative as a clean propellant. At the moment, DME is ... -
Effect of heating rate and H3PO4 as catalyst on the pyrolysis of agricultural residues
Hosseinzaei, Behnam; JafarHadianfard, Mohammad; Ruiz-Rosas, Ramiro Rafael; Rosas-Martinez, Juana Maria; Rodriguez-Mirasol, Jose; Cordero-Alcántara, Tomás[et al.] (Elsevier, 2022-11)
This study reports the effect of heating rate and the addition of H3PO4 on the pyrolysis of three representative agricultural wastes of different lignocellulosic composition, namely pistachio shell, bitter orange peel, and ... -
Electrospinning of alcell lignin for the preparation of ORR electrocatalysts
Ruiz-Rosas, Ramiro Rafael; Cordero-Alcántara, Tomás; Rodriguez-Mirasol, Jose; Rosas-Martínez, Juana María; Garcia-Mateos, Francisco Jose (2019-10-28)
Carbon fibers are one of the components of the electrode assemblies used in fuel cells. They are usually prepared from polyacrylonitrile, a non-renewable synthetic polymer. Lignin is a highly abundant biopolymer that is ... -
Estudio cinético de la desactivación de un catalizador de zirconio y fósforo sobre carbón activado en la reacción de metanol a dimetileter
Torres-Liñan, Javier; Ruiz-Rosas, Ramiro Rafael; Rodriguez-Mirasol, Jose; Cordero-Alcántara, Tomás; Rosas-Martínez, Juana María (2022-04-27)
El dimetil éter es un sustituto del diésel que puede producirse de forma sostenible mediante deshidratación de metanol obtenido por gasificación de biomasa. Los catalizadores usados en este proceso sufren una desactivación ... -
Estudio cinético de la oxidación de carbón activado con ácido fosfórico
Torres-Liñan, Javier; Ruiz-Rosas, Ramiro Rafael; Rodriguez-Mirasol, Jose; Cordero-Alcántara, Tomás; Rosas-Martínez, Juana María (2022-04-27)
La activación con H3PO4 genera en los carbones activos resultantes, grupos superficiales de fósforo muy estables química y térmicamente. Estos grupos confieren al carbón activo cierta resistencia a la oxidación. Debido al ... -
Fibras de carbón con hierro como catalizadores fisher-tropsch preparados en un solo paso mediante el electrohilado de lignina
Rodríguez Cano, Miguel Angel; Garcia-Mateos, Francisco Jose; Ruiz-Rosas, Ramiro Rafael; Rodriguez-Mirasol, Jose; 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 ...