Listar Ingeniería Química - (IQ) por título
Mostrando ítems 67-86 de 227
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Deactivation of a Biomass-Derived Zirconium-Doped Phosphorus-Containing Carbon Catalyst in the Production of Dimethyl Ether from Methanol Dehydration
Torres-Liñán, Javier
; García-Rollán, Miguel; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; 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-Liñán, Javier; García-Rollán, Miguel; Palomo-Jiménez, José; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; 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 ... -
Desarrollo de catalizadores tiorresistentes para el acoplamiento de tecnologías deNOX en motorización diesel
Molina-Ramírez, Sergio; Cortés-Reyes, Marina; Herrera-Delgado, María Concepción; Larrubia-Vargas, María Ángeles; Epling, William S.; Alemany-Arrebola, Luis José[et al.] (2022-07)
En las últimas décadas, se han desarrollado y perfeccionado diferentes estrategias y tecnologías deNOx de elevada eficacia en respuesta a las regulaciones cada vez más estrictas de las emisiones en el sector del automóvil. ... -
Descomposición de metanol sobre carbones activos ácidos: papel del oxígeno y estudio cinético
Valero-Romero, María José; Calvo-Muñoz, Elisa Maria; Ruiz-Rosas, Ramiro Rafael; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2015-11-06)
En trabajos anteriores se ha observado que la activación de residuos lignocelulósicos con ácido fosfórico permite obtener carbones activos con un contenido relativamente alto de fósforo sobre su superficie. Este fósforo ... -
Descontaminación por extracción de vapores a vacío de diferentes tipos de suelo afectados por hidrocarburos
(UMA Editorial, 2016)En esta investigación se pretende determinar la relación existente entre los datos obtenidos en ensayos de laboratorio y de campo mediante la aplicación de la técnica de extracción de vapores a vacío en suelos de diferente ... -
Despolimerización reductora de lignina sobre catalizadores basados en carbono producidos mediante activación química de lignosulfonato sódico con H3PO4.
García-Rollán, Miguel; Bertran-Llorens, Salvador; Palazzolo, Martin A.; Deuss, Peter J.; Heeres, Hero Jan; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2023)
Introducción El considerable incremento de la producción de lignina como consecuencia de las políticas de diversificación energética ha aumentado el interés en su valorización integral, mediante la producción de materiales ... -
Digestión y Codigestión Anaerobia de Residuos Agrícolas, Ganaderos y Lodos de Depuradora
(UMA Editorial, 2017-06-14)Muchas regiones de España se distinguen por una agricultura altamente productiva y una industria porcina intensiva que generan grandes cantidades de residuos orgánicos. Además, la cantidad de lodo de depuradora se incrementa ... -
Dissolvable Topical Formulations for Burst and Constant Delivery of Vitamin C
Calzado-Delgado, María del Mar; Guerrero-Pérez, María Olga; Yeung, King (American Chemical Society, 2023-03-27)
Healthy skin has a high vitamin C concentration that protects against ultraviolet (UV)-induced damage, promotes wound healing, and lowers cancer risk. The present contribution describes two drug delivery systems for topical ... -
Efecto del H3PO4 en la preparación de fibras de carbono a partir de lignina. Mejoras en el proceso de estabilización y propiedades finales
García-Mateos, Francisco José; Berenguer-Betrián, Raúl; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2015-11-06)
El presente trabajo propone un nuevo método de preparación de fibras de carbono mediante electrohilado de mezclas de lignina/H3PO4, en el que se obtienen resultados que aceleran el proceso de preparación de estos materiales ... -
Effect of heating rate and H3PO4 as catalyst on the pyrolysis of agricultural residues
Hosseinzaei, Behnam; Hadianfard, Mohammad Jafar; Ruiz-Rosas, Ramiro Rafael; Rosas-Martínez, Juana María; Rodríguez-Mirasol, José; 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 ... -
Effect of hydroxylammonium chloride as a reductant for hydrochloric acid leaching of valuable metals from discarded lithium-ion batteries
Cerrillo-González, María del Mar; Villén-Guzmán, María Dolores; Arhoun, Brahim; Gómez-Lahoz, César; Vereda-Alonso, Carlos (Elsevier, 2024-06)
The use of hydroxylammonium chloride as a reducing agent is proposed to enhance the acid leaching of cathode material from spent lithium-ion batteries. The current study was conducted using real waste from scooter ... -
Effect of NaHCO3 addition on the anaerobic co-digestion of fruit and vegetable waste and sewage sludge performance
Arhoun, Brahim; Villén-Guzmán, María Dolores; Bakkali, A.; El Mail, R.; Paz-García, Juan Manuel; Rodríguez-Maroto, José Miguel[et al.] (2013-11-08)
Digestion of FVW residues with sewage sludge is feasible as long as the FVW to sludge ratio fed to the batch digester is not too large. The pH is the main variable determining the reactor performance and ... -
Effect of Nb as dopant of hydrotalcite catalysts during the ethanol condensation to optimize n-Butanol production
Valdivieso-Vera, Daniel Alejandro; Flores-Escamilla, Gerardo Antonio; Cano-Gómez, José Julián; Barroso-Martín, Isabel; Rodríguez-Castellón, Enrique; Santos-López, Iván Alonso; Guerrero-Pérez, María Olga[et al.] (Elsevier, 2024)
The present study optimizes Cu-supported catalysts on hydrotalcite for the synthesis of n-butanol whose interest is in its use as biofuel, due to its superior performance in comparison with other short-chain alcohols. ... -
Effect of phosphorous groups on the stabilization and activation of low-cost lignin fibers prepared by electrospinning
The feasible wider use of carbon fibers in many of their current and potential applications demands a reduction of their manufacturing costs. In this sense, the use of lignin as an abundant, renewable and low-cost carbonaceous ... -
Effect of the feed procedure on production of biogas from anaerobic digestion of pear residues using a CSTR Digester
Arhoun, Brahim; Villén-Guzmán, María Dolores; Bakkali, A.; El Mail, R.; García-Herruzo, Francisco; Gómez-Lahoz, César[et al.] (2014-10-30)
The anaerobic digestion for the production of biogas is one of the best alternative management procedures of the fruits and vegetables wastes (FWV) since it simultaneously allows energy recovery and material recycling if ... -
Effectiveness of conventional drinking water treatment in the removal of polycyclic aromatic hydrocarbons
Gutiérrez-Urbano, Isabel; Villén-Guzmán, María Dolores; Pérez-Recuerda, Rocío; Rodríguez-Maroto, José Miguel (2020-09-23)
The presence of recalcitrant organic pollutants, such as polycyclic aromatic hydrocarbons (PAHs) in aquatic environments poses a threat to the human health. According to recent studies, PAHs, such as benz[a]anthracene and ... -
Efficient methanol dehydration to DME and light hydrocarbons by submicrometric ZrO2-ZSM-5 fibrillar catalysts with a shell-like structure
Palomo, José; Rodríguez-Cano, Miguel Ángel; Berruezo-García, José; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (Elsevier, 2022-01-20)
Zeolites are widely used in many applications, such as catalysis and adsorption processes. The use of these materials in a nanometric size would be of great interest for these applications, due to the better performance ... -
Electrochemical behavior of pt- a d pd-supported activated carbons with different functionalities
Gallardo-Fuentes, Aurora; Berenguer-Betrián, Raúl; Nishihara, Hirotomo; Kyotani, Takashi; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2014-07-28)
Due to their relatively low price, high surface area and versatile physic-chemical properties, conductive carbon materials are considered among the most promising supports of electroactive species and/or catalysts for ... -
Electrodialytic processes in solid matrices. New insights into batteries recycling. A review.
Villén-Guzmán, María Dolores; Arhoun, Brahim; Vereda-Alonso, Carlos; Gómez-Lahoz, César; Rodríguez-Maroto, José Miguel; Paz-García, Juan Manuel[et al.] (2019-02-26)
Electrodialytic Remediation has been widely applied to the recovery of different contaminants from numerous solid matrices solving emerging issues of environmental concern. Results and conclusions reported in studies about ... -
Electrodialytic Recovery of Cobalt from Spent Lithium-Ion Batteries
Cerrillo-González, María del Mar; Villén-Guzmán, María Dolores; Paz-García, Juan Manuel; Gómez-Lahoz, César; Vereda-Alonso, Carlos; García-Delgado, Rafael Antonio; García-Herruzo, Francisco; Rodríguez-Maroto, José Miguel[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 ...