Listar Ingeniería Química - (IQ) por título
Mostrando ítems 28-47 de 227
-
Bi-reforming of Biogas for Hydrogen Production with Sulfur-Resistant Multimetallic Catalyst
(Wiley, 2023)A multimetallic sample, NiCeSnRh/Al2O3, was tested in methane reforming with a CH4:H2O:CO2 molar ratio equal to 3:2:1. A very stable methane conversion with the time-on-stream was achieved during 20 h. Dimethyl sulfide ... -
Biobased Vanillin Production by Oxidative Depolymerization of Kraft Lignin on a Nitrogen- and Phosphorus-Functionalized Activated Carbon Catalyst
(ACS, 2024-04-04)The sustainable production of vanillin from the oxidative depolymerization of lignin was evaluated. Vanillin was produced from Kraft lignin using heterogeneous catalysts based on activated carbons prepared by chemical ... -
Biomass derived activated carbon catalysts for the one-step dimethyl ether synthesis from syngas
(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 ... -
Biomass waste carbon materials for post-combustion CO2 capture
(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 ... -
Biomass-derived activated carbon catalysts for the direct dimethyl ether synthesis from syngas
(Elsevier, 2024-02-27)The direct DME synthesis from syngas was studied by using activated carbon-based bifunctional catalytic beds. Two kinds of activated carbons, prepared by physical (by CO2 partial gasification) and chemical (with phosphoric ... -
Boardgames as learning activities in STEM degrees
(2022)A serious game (also known as applied game or educational game) is a game designed not only for entertainment, but also for educational purposes. The term “Serious Game” has been normally used for video games, but it can ... -
Brønsted and Lewis acidity of protonic zeolites and other materials based on silica and alumina
(2018-01-11)The origin and nature of the surface acidity of industrial solid acid catalysts based on silica, alumina and protonic zeolites is described and discussed, in relation to application to petrochemical and refinery processes. ... -
Caracterización de la fracción sólida de la pirólisis de residuos lignocelulósicos
(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. ... -
Caracterización de nanoestructuras de carbono depositadas sobre catalizadores fibrilares Fe@ZrO2 durante la síntesis de Fischer-Tropsch con gas de síntesis de biomasa.
(2023)La síntesis de Fischer-Tropsch (SFT) es una ruta alternativa para obtener combustibles líquidos y productos petroquímicos (como olefinas), que puede tener emisiones de CO2 neutras si se usa biomasa para la obtención del ... -
Carbon materials as template for the preparation of mixed oxides with controlled morphology
(2013-06-18)Bulk mixed oxide catalysts are widely used for many applications, such as catalysts for selective oxidation processes, electrocatalysts for fuel cells, gas sensors, and solid oxide electrolysers for the production of ... -
Carbon-based biomass-derived catalysts for deoxygenation of fast pyrolysis bio-oil
(2023)Producing energy and chemicals from biomass is an interesting alternative for replacing conventional fossil sources with a renewable feedstock while enabling zero net greenhouse gases emissions. Particularly, fast pyrolysis ... -
Carbon-based materials as Catalyst Supports for Fischer–Tropsch Synthesis: a review
(Frontiers, 2021-02-04)The use of carbon-based materials as catalyst supports for Fischer–Tropsch synthesis (FTS) is thoroughly reviewed. The main factors to consider when using a carbonaceous catalyst support for FTS are first discussed. Then, ... -
Carbon-supported VPO catalysts with fibrous structure: A new family of catalysts for partial oxidation reactions
(Elsevier, 2023-07-15)The present contribution describes the synthesis of a carbon supported VPO catalyst with a fibrous structure. The synthesis method is simple, low-cost, scalable and reproducible that allows the formation of the bulk mixed ... -
Carbon/H-ZSM-5 composites as supports for bi-functional Fischer-Tropsch synthesis catalysts
(Royal Society of Chemistry, 2016)Mesoporous H-ZSM-5–carbon composites, prepared via tetrapropylammonium hydroxide (TPAOH) post treatment of H-ZSM-5 followed by deposition of pyrolytic carbon, have been used as the support for the preparation of Co-based ... -
Carburantes Avanzados y Sistemas Catalíticos Híbridos para mejora de Rendimiento y Reducción de Contaminantes en Motorización Diesel.
(UMA Editorial, 2024)La presente Tesis Doctoral se centra en el estudio y desarrollo de tecnologías primarias y secundarias, en el marco de las llamadas "Tecnologías Puente" para el sector del transporte, con el fin de extender la vida útil a ... -
Catalizadores avanzados para la síntesis directa de dimetil éter
(UMA Editorial, 2019)n esta Tesis Doctoral se estudia la preparación de catalizadores eficientes para la síntesis directa de dimetil éter (DME). Esta tesis está dividida en siete capítulos. El capítulo uno es una introducción general, en ella ... -
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 ... -
Catalizadores carbonosos obtenidos mediante activación química de residuos lignocelulósicos
(Universidad de Málaga, Servicio de Publicaciones, 2008)En esta tesis se ha analizado la preparación y caracterización de catalizadores carbonosos obtenidos mediante activación química de residuos lignocelulósicos. Se han activado diversos tipos de residuos biomásicos ... -
Catalizadores de base carbonosa para la hidrodeoxigenación de bio-oil
(UMA Editorial, 2021-06-11)En el actual escenario de transición energética, la biomasa lignocelulósica recibe una gran atención como fuente renovable de energía y materias primas. La pirolisis de biomasa tiene buenas perspectivas para su implantación ...