Listar Ingeniería Química - (IQ) por título
Mostrando ítems 106-125 de 227
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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, ... -
Funcionalización superficial de carbones activos con grupos nitrogenados mediante reaciones de oxidación/reducción
Palomo-Jiménez, José; Ternero-Hidalgo, Juan José; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2015-11-06)
La funcionalización superficial de carbones activos con grupos nitrogenados le confiere a estos materiales unas propiedades fisicoquímicas mejoradas, que los hace muy interesantes en diferentes aplicaciones. La incorporación ... -
Fundamental Characterization of Metal Surfaces at Relevant Conditions for Catalysis
(2014-07-02)Heterogeneous catalysis involves chemisorption, reactions of chemisorbed species, and desorption of the products formed. The enthalpies and entropies for these elementary steps and their transition states provide the ... -
Generación de grupos superficiales oxigenados en carbones activados con H3PO4
Los carbones activados preparados mediante activación química de residuos lignocelulósicos con ácido fosfórico presentan, además de una elevada superficie específica, una química superficial muy particular debido a la ... -
Green chemistry: advancing planetary phosphorus sustainability through the synergy of graphene oxide modified with magnetic nanoparticles (M@GO) for extracting tertiary effluent phosphorus in sewage treatment plants.
Muñoz-Garcia, Andrea; Montoro-Leal, Pablo; López-Guerrero, María del Mar; Vereda-Alonso, Carlos; Vereda-Alonso, Elisa Isabel (Royal Society of Chemistry, 2024-04-12)
Securing the enduring sustainability of global phosphorus (P) utilization has become a key societal priority. The application of green chemistry and green engineering presents an opportunity to mitigate these challenges ... -
Green synthesis of cellulose Nanoparticles for their use in biomedicine
(2023-05-30)Recently, nanoscience has been developed as a new branch of science to obtain material at the nanometre scale. Cellulose is a polysaccharide whose molecular structure consists of D-glucopyranose units linked by β(1→4) ... -
Groups IV, V and VI metal oxide-containing hydrotalcite catalysts: state of the art on their catalytic applications
Valdivieso-Vera, Daniel A.; Guerrero-Pérez, María Olga (Elsevier, 2024-07-08)
The present contribution is a review paper that summarizes the structure, properties and catalytic applications of hydrotalcite based materials when they are modified by the incorporation of oxide metals from groups 4, 5 ... -
Heterogeneización del proceso continuo para la conversión de glicerol a Solketal utilizando un catalizador estructurado monolítico de base carbonosa
Domínguez-Barroso, María Vanesa; Herrera-Delgado, María Concepción; Larrubia-Vargas, María Ángeles; Alemany-Arrebola, Luis José (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 ... -
Hidroformilacion de 1-octeno utilizando catalizadores de rodio soportados sobre materiales de carbono porosos con grupos superficiales de fósforo.
Valero-Romero, María José; Palomo-Jiménez, José; Kapteijn, Freek; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2023)
La reacción de hidroformilación es una de las reacciones homogéneas catalizadas más importante a nivel industrial, ya que produce 10 millones de toneladas de aldehídos al año [1]. La reacción utiliza olefinas insaturadas ... -
Hierarchical porous carbons by liquid phase impregnation of zeolite templates with lignin solution
Valero-Romero, María José; Márquez-Franco, Eva María; Bedia García-Matamoros, Jorge; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (ELSEVIER, 2014-05-09)
Templated carbon materials (TCs) with hierarchical pore structure were obtained by liquid phase impreg- nation of different zeolite templates using Alcell lignin solutions as carbon precursor. The effect of synthesis ... -
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 ... -
Hydrogen co-injection as a bridged technology for internal combustion engines
Molina-Ramírez, Sergio; Cortés-Reyes, Marina; Herrera-Delgado, María Concepción; Larrubia-Vargas, María Ángeles; Auñón-Hidalgo, Juan Antonio; Alemany-Arrebola, Luis José[et al.] (International congress on Catalysis and Automotive Pollution Control – 12th edition CAPoC12, 2022)
In order to survive at media-term, diesel engines need a new approach for the use of the new fuel portfolio and to control the exhaust gas emissions. Hydrogen has been proposed as an alternative due to its excellent ... -
Hydrometallurgical extraction of Li and Co from LiCoO2 particles–Experimental and Modeling
Cerrillo-González, María del Mar; Villén-Guzmán, María Dolores; Acedo-Bueno, Luis Fernando; Rodríguez-Maroto, José Miguel; Paz-García, Juan Manuel (MDPI, 2020-09-13)
The use of lithium-ion batteries as energy storage in portable electronics and electric vehicles is increasing rapidly, which involves the consequent increase of battery waste. Hence, the development of reusing and recycling ... -
Improving Cr (VI) Extraction through Electrodialysis
García-Delgado, Rafael Antonio; Nieto-Castilo, A; Villén-Guzmán, María Dolores; Cerrillo-González, María del Mar; Gómez-Lahoz, César; Vereda-Alonso, Carlos; Paz-García, Juan Manuel; Rodríguez-Maroto, José Miguel[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 ...