Envíos recientes

  • Highly conductive microporous carbon fibers by electrospinning of lignin/phosphoric acid/ethanol solutions 

    García-Mateos, Francisco J.; Rosas, Juana M.; Ruiz-Rosas, Ramiro; Rodriguez-Mirasol, Jose; Cordero, 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 ...
  • Biomass derived activated carbon catalysts for the one-step dimethyl ether synthesis from syngas 

    Palomo, José; Rodríguez-Cano, Miguel A.; Rodriguez-Mirasol, Jose; Cordero, Tomás (2019-11-05)
    In this work we study the behaviour of a carbon-based catalyst for this one-step synthesis process. Two kinds of activated carbons, prepared by chemical (with H3PO4) and physical (by CO2 partial gasification) activation ...
  • Lignocellulosic derived activated carbon monoliths for emerging pollutants removal 

    Cordero, Tomás; García-Mateos, Francisco José; Ibeh, Paul O.; Martínez, Olaya; Rosas, Juana Mª; [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 ...
  • Electrospinning of alcell lignin for the preparation of ORR electrocatalysts 

    Ruiz-Rosas, Ramiro; Cordero, Tomás; Rodriguez-Mirasol, Jose; Rosas, Juana María; García-Mateos, Francisco José (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 ...
  • Reusing and Recycling of Secondary Batteries 

    Paz-Garcia, Juan Manuel; Villén Guzmán, María; Cerrillo-González, María del Mar (2019-10-18)
    Reusing and Recycling of Secondary Batteries
  • Heterogeneización del proceso continuo para la conversión de glicerol a Solketal utilizando un catalizador estructurado monolítico de base carbonosa 

    Domínguez Barroso, Vanesa; Herrera-Delgado, Maria Concepcion; Larrubia-Vargas, María Ángeles; Alemany-Arrebola, Luis Jose (2019-10-09)
    Se ha desarrollado un catalizador estructurado de base carbonos hidrofobia y funcionalidad con grupos sulfúricos estables no lixiviables que permite la operación en continuo de la acetalización de glicerol con acetona de ...
  • A Model for Electrodialytic Treatment of Lithium-Ion Batteries 

    Paz-Garcia, J.M.; Villen-Guzman, Maria; Cerrillo-Gonzalez, Maria del Mar; Gomez-Lahoz, Cesar; Vereda-Alonso, Carlos; [et al.] (2019-10-08)
    New recycling processes for secondary batteries are needed to achieve sustainable use of natural resources. Indeed, many components in lithium ion batteries, such as cobalt and graphite, are in the European Union’s ...
  • Improving Cr (VI) Extraction through Electrodialysis 

    García-Delgado, R.A.; Nieto-Castilo, A; Villen-Guzman, Maria; Cerrillo-Gonzalez, Maria del Mar; Gomez-Lahoz, Cesar; [et al.] (2019-10-08)
    A laboratory study has been carried out to determine the feasibility of in situ remediation of chromium (VI) contaminated soil using electrodialysis. In a classic setup, this technique implies the application of a low ...
  • Electrodialytic Treatment of Secondary Batteries Cathodes 

    Cerrillo-Gonzalez, Maria del Mar; Villen-Guzman, Maria; Paz-Garcia, Juan Manuel; Gomez-Lahoz, Cesar; Vereda-Alonso, Carlos; [et al.] (2019-10-07)
    The interest for reusing and recycling secondary batteries is increasing, driven by both economic and environmental reasons. Lithium-ion batteries are among the main energy storage devices more popular in portable electronic ...
  • Coordination problems in engineering degrees 

    Cortés-Reyes, Marina; Fernández-Gago, Carmen; Diaz-Zayas, Almudena; Rosas, Juana María (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 ...
  • Estudio DRIFTs-MS in situ de la oxidación de CO en condiciones subestequiométricas de oxígeno con un catalizador bimetálico Ni-Ce 

    Cortés-Reyes, Marina; Granados-Fernández, Rafael; Jiménez, Jose M.; Molina-Ramírez, Sergio; Pinzón, Marina; [et al.] (2019-07-19)
    El interés en la reducción de uno de los principales contaminantes atmosféricos como el monóxido de carbono hace que se hayan propuesto diversas técnicas para su eliminación. Actualmente, la oxidación catalítica a baja ...
  • Ni-Ga no soportado como catalizador para la hidrogenación de CO2 a presión atmosférica 

    Alemany-Arrebola, Luis Jose; Jiménez Martín, José Manuel; Herrera-Delgado, Maria Concepcion; Larrubia-Vargas, María Ángeles; Cortés Reyes, Marina (2019-07-04)
    Debido al continuo aumento de las emisiones de CO2 y su efecto negativo desde el punto de vista mediambiental y de salud, se debe proponer acciones encaminadas a su control. Es de interés la captura y conversión química ...
  • Estudio del proceso cíclico de captura y conversión de CO2 en corrientes enriquecidas en H2 empleando CH4 con un catalizador NiBa no soportado 

    Molina-Ramírez, Sergio; Cortés-Reyes, Marina; Larrubia Vargas, María Ángeles; Herrera-Delgado, Maria Concepcion; Alemany-Arrebola, Luis J. (2019-07-04)
    El principal objetivo decidido en el Acuerdo de París de 2015 fue el de mantener el aumento de la temperatura media mundial por debajo de 2C respecto a los niveles en la era preindustrial. La reducción de la concentración ...
  • Electrospun CuO/ZnO/ZrO2-ZSM-5 fibrillar bifunctional catalysts for the direct DME synthesis 

    Palomo, José; Rodríguez-Cano, Miguel A.; Rodríguez-Mirasol, José; Cordero Alcántara, Tomás (2019-06-28)
    A straightforward method for the preparation of CuO/ZnO/ZrO2-ZSM-5 fibrillar bifunctional catalysts, by using the electrospinning technique. The prepared fibers presented a high aspect ratio and a fairly good copper ...
  • Kinetic study of methanol dehydration to DME on Zr-loaded P-containing mesoporous activated carbon catalyst 

    Palomo, José; Rodríguez-Cano, Miguel A; Rodriguez-Mirasol, Jose; Cordero Alcántara, Tomás (2019-06-28)
    The selective methanol dehydration to DME using a Zr-loaded P-containing activated carbon catalyst have been studied. The activated carbon was prepared by chemical activation of olive stones with phosphoric acid. Then, the ...
  • On the deactivation of Zr-loading P-containing mesoporous carbon catalyst during methanol dehydration 

    Torres-Liñán, Javier; García Rollán, Miguel; Rosas, Juana Mª; Rodriguez-Mirasol, Jose; Cordero, Tomás (2019-06-27)
    Dimethyl ether (DME) has received much attention in the last few years due to its potential use as a diesel substitute and it can be obtained from dehydration of biomass-based methanol. γ-Alumina, ZSM-5 and HPAs were tested ...
  • Modification of the morphology, porosity and surface chemistry of lignin-based electrospun carbon materials 

    Ruiz-Rosas, Ramiro; Rodriguez-Mirasol, Jose; Rosas Martínez, Juana María; García-Mateos, Francisco José; Cordero, 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 ...
  • Strategic situation, design and simulation of a biorefinery in Andalusia 

    Gutierrez, Mª Carmen; Rosas, Juana Mª; Rodríguez-Cano, Miguel Ángel; Rodriguez-Mirasol, Jose; Cordero, Tomás (2019-06-25)
    In a lignocellulosic feedstock based biorefinery, biomass can be transformed in several products, with different chemical and/or agro-industrial applications, and energy (biofuels). The use of biomass waste is strongly ...
  • New Perspectives for Electrodialytic Remediation 

    Villen-Guzman, Maria; Cerrillo-Gonzalez, Maria del Mar; Paz-Garcia, Juan Manuel; Gomez-Lahoz, Cesar; Vereda-Alonso, Carlos; [et al.] (2019-02-08)
    Electrodialytic remediation has been widely used for the recovery of different contaminants from numerous matrices, such as, for example, polluted soils, wastewater sludge, fly ash, mine tailing or harbour sediments. The ...
  • Electrodialytic Recovery of Cobalt from Spent Lithium-Ion Batteries 

    Cerrillo-Gonzalez, Maria del Mar; Villen-Guzman, Maria; Paz-Garcia, Juan Manuel; Gomez-Lahoz, Cesar; Vereda-Alonso, Carlos; [et al.] (2019-02-08)
    Recycling lithium-ion batteries has an increasing interest for economic and environmental reasons. Disposal of lithium-ion batteries imposes high risk to the environment due to the toxicity of some of their essential ...

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