Exploració per tema "Metà"
Ara es mostren els items 21-40 de 40
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Investigation of the evolution of Pd-Pt supported on ceria for dry and wet methane oxidation
(2022-08-29)
Article
Accés obertEfficiently treating methane emissions in transportation remains a challenge. Here, we investigate palladium and platinum mono- and bimetallic ceria-supported catalysts synthesized by mechanical milling and by traditional ... -
Low-temperature partial oxidation of methane over Pd–Ni bimetallic catalysts supported on CeO2
(2022-08)
Article
Accés obertMonometallic Pd and Ni and bimetallic Pd–Ni catalysts supported on CeO2 are prepared via mechanochemical and conventional incipient wetness impregnation methods and tested for the production of syngas by the partial oxidation ... -
Mejora del sistema de desgasificación y valoración energética del biogás del vertedero de “La Vall d’en Joan”
(Universitat Politècnica de Catalunya, 2004)
Projecte/Treball Final de Carrera
Accés obert -
Methane oxidation activity and nanoscale characterization of Pd/CeO2 catalysts prepared by dry milling Pd acetate and ceria
(2021-03-01)
Article
Accés obertThe milling of Palladium acetate and CeO2 under dry conditions results in robust, environmentally friendly catalysts with excellent methane oxidation activity. These catalysts show superior performance compared to those ... -
Methane potential of fruit and vegetable waste: an evaluation of the semi-continuous anaerobic mono-digestion
(2018-01-01)
Article
Accés restringit per política de l'editorialThe anaerobic digestion (AD) of a high diversity blend of fruit and vegetable waste (FVW) generated in tropical conditions as a single substrate was performed. A continuously stirred tank reactor (CSTR) operated in ... -
Methane production through a solid oxide electrolyser with primary renewable source and carbon dioxide capture
(Universitat Politècnica de Catalunya, 2019-10-09)
Projecte Final de Màster Oficial
Accés obert
Realitzat a/amb: Politecnico di TorinoMethane production through a solid oxide electrolyser with primary renewable source and carbon dioxide capture Renewable electric energy can be transformed into storable methane via electrolysis andsubsequent methanation. ... -
Modeling the behavior of gas hydrate bearing sediments
(Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica, 2015-06-02)
Text en actes de congrés
Accés obert -
Modelling methane hydrate saturation in pores: capillary inhibition effects
(2021-09)
Article
Accés obertExperimental and field observations evidence the effects of capillarity in narrow pores on inhibiting the thermodynamic stability of gas hydrates and controlling their saturation. Thus, precise estimates of the gas hydrate ... -
Modelling the benthic methane sink in Santa Barbara basin
(Universitat Politècnica de Catalunya, 2022-06-29)
Projecte Final de Màster Oficial
Accés obertThe dissociation of gas hydrates has widely suggested to be a global climate forcing since millions of years ago. The “clathrate gun hypothesis” described by Kennett et al. (2003) in Santa Barbara Basin (SBB) suggests ... -
Modellization of a microreactor for the catalytic partial oxidation of methane
(Universitat Politècnica de Catalunya, 2019-01-30)
Treball Final de Grau
Accés obert
Realitzat a/amb: Université de LorraineConversion of methane and carbon dioxide, which are two of the cheapest and most abundant carbon-containing materials, into useful products is an important area of current catalytic research. This reaction has also very ... -
Nanofaceted PdO sites in PdCe surface superstructures: enhanced activity in catalytic combustion of methane
(2009-10)
Article
Accés restringit per política de l'editorialAn open superstructure: A Pd/CeO2 catalyst prepared by solution combustion synthesis is three to five times more active for CH4 combustion than the best conventional palladium-based systems. The catalyst contains an ordered, ... -
Obtenció de metà per digestió anaeròbia de restes orgàniques líquides
(1981)
Text en actes de congrés
Accés obertFins fa pocs anys considerAvem l'energia com quelcom naturalment abundant. La recent crisi energetica i la preocupaci6 cada vegada -més aguda pels problemes que genera en el medi ambient l'üs incon-trolat de les fonts ... -
Oxidation of methane in biotrickling filters inoculated with methanotrophic bacteria
(2016-07-01)
Article
Accés obert -
Partial oxidation of methane to syngas using Co/Mg and Co/Mg-Al oxide supported catalysts
(2018-04-03)
Article
Accés obertPartial oxidation of methane (POM) was studied over a series of Co/Mg-Al catalysts. Various commercial hydroxides with different Mg/Al ratios were used as precursors of the oxides employed as catalytic supports, as well ... -
Planta para la digestión anaerobia para la obtención de biogas para planta de ciclo combinado
(Universitat Politècnica de Catalunya, 2022-07-13)
Treball Final de Grau
Accés obertEl presente proyecto, busca implantar una idea innovadora en Cortes de Baza, Granada, un pueblo agricultor que ha quedado muy tocado por la pandemia y necesita renovarse. Para conseguirlo, es necesario mostrarles a todos ... -
Producció de metà en aiguamolls construïts pel tractament de fangs de depuradora
(Universitat Politècnica de Catalunya, 2011-06-16)
Projecte Final de Màster Oficial
Accés obertLa gestió dels fangs de depuradora ha esdevingut un factor clau en el tractament d’aigües residuals, ja que representa un 20-60% dels costs operacionals de les plantes convencionals pel tractament d’aigües residuals. Els ... -
Salinity effects on the mechanical behaviour of methane hydrate bearing sediments: a DEM investigation
(Elsevier, 2021-05)
Article
Accés obertThe stability of methane hydrate depends on not only temperature and pressure but also the salinity of the environment where the methane hydrate exists. The variation in the stability of methane hydrate due to the change ... -
Structure and morphology of Pd/Al2O3 and Pd/CeO2/Al2O3 combustion catalysts in Pd–PdO transformation hysteresis
(2010)
Article
Accés restringit per política de l'editorialCatalytic combustion of methane has been studied for many years due to its applications in power generation and emissions clean-up. Among different catalysts, Pd-based materials are the most active for the catalytic ... -
The effect of milling parameters on the mechanochemical synthesis of Pd-CeO2 methane oxidation catalysts
(2019-01-01)
Article
Accés obertThe preparation of catalytic materials via mechanochemical routes is a very promising alternative to complex wet chemical syntheses due to its simplicity, versatility and ecological advantages. The mechanical mixing of Pd ... -
Use of metal oxide semiconductor sensors to measure methane in aquatic ecosystems in the presence of cross-interfering compounds
(2022-09-26)
Article
Accés obertMonitoring dissolved methane in aquatic ecosystems contributes significantly to advancing our understanding of the carbon cycle in these habitats and capturing their impact on methane emissions. Low-cost metal oxide ...