Listar IQ - Contribuciones a congresos científicos por título
Mostrando ítems 21-40 de 129
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Catalizadores básicos a partir de lignina para la deshidrogenación de alcoholes
(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 ... -
Catalizadores bimetálicos fibrilares de base carbonosa para la reducción de nitratos.
(2023)Uno de los principales problemas de la contaminación de las aguas superficiales y subterráneas es su alto contenido en nitratos, procedentes de los vertidos (inadecuados) de actividades industriales o agrícolas. Los ... -
Catalyst deactivation and regeneration for MTD reaction on Zr carbon-based catalyst
(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 ... -
Catalytic fast pyrolysis of olive stone for bio-oil deoxygenation.
(2023)In this work, conventional, fast and catalytic fast pyrolysis of olive stone residues were studied with a commercial catalyst with mild acidity, γ-Al2O3, an activated carbon from olive stones (AC) prepared by chemical ... -
Characterization and modeling of lithium-polymer commercial batteries
(2018-10-17)Lithium-ion batteries are key for the modern society as they are present in many energy storage devices and have promising future perspectives in the field of electric cars and energy accumulators from renewable sources. Herein, ... -
Characterization of carbon nanostructures deposited on fibrillar Fe-Zr catalysts during Fischer-Tropsch Synthesis with syngas from biomass gasification
(2023)Fischer-Tropsch synthesis (FTS) is an alternative way to obtain fuels and petrochemical products with low greenhouse gases emissions when biomass is used as syngas source. However, gasification of lignocellulosic biomass ... -
Co-digestion of mixed sewage sludge and fruit and vegetables wastes effect of different mixtures on biogas yield
Disposal of fruit and vegetable wastes (FVWs) in landfill site cause serious environmental issues such as contamination of soil, air and ground water. These wastes contain large quantities of biodegradable organic fractions, ... -
CO2 hydrogenation to methanol on In2O3/ZrO2 fibrillar catalysts.
(2023)Hydrogenation of CO2 to produce methanol is regarded as one of the most promising processes for achieving full deployment of carbon capture, utilization and storage technologies, which are needed to decrease the emission ... -
Comportamiento electroquímico de carbones activados con presencia de grupos superficiales de fósforo
(2013-11-05)Debido a su elevada superficie específica y una combinación única de conductividad, estabilidad y gran versatilidad química-estructural, los carbones activados (CAs) se emplean como electrodos en diversas aplicaciones ... -
Controling the porosity of activated carbons from chemical activation with phosphoric acid of sodium lignosulfonate
(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 ... -
Conversión catalítica de metanol sobre catalizadores ácidos de carbono
(2013-11-04)En las últimas décadas, el estudio y desarrollo de carbones activos como catalizadores o soportes catalíticos se ha incrementado enormemente debido a las ventajas derivadas de su elevada capacidad adsorbente, inercia y ... -
Coordination problems in engineering degrees
(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 ... -
Cu-CHA material efficient in the SCR process in the presence of water and CO2
(2017-10-06)A reproducible method for the synthesis of SCR active Cu-CHA materials has been developed, which allows the incorporation of up to 4% of copper inside the cavities of the zeolite. These materials are highly efficient in ... -
Deactivation of zirconium-phosphorus carbon catalyst on the dehydration of methanol todme reaction
(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
(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
(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 ... -
Despolimerización reductora de lignina sobre catalizadores basados en carbono producidos mediante activación química de lignosulfonato sódico con H3PO4.
(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 ... -
Efecto del H3PO4 en la preparación de fibras de carbono a partir de lignina. Mejoras en el proceso de estabilización y propiedades finales
(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 NaHCO3 addition on the anaerobic co-digestion of fruit and vegetable waste and sewage sludge performance
(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 phosphorous groups on the stabilization and activation of low-cost lignin fibers prepared by electrospinning
(2013-11-25)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 ...