Browsing by Subject "Metà"
Now showing items 1-20 of 36
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An experimental and numerical study on the promoting effect of Dimethyl Ether on the ignition delay time of Methane
(Universitat Politècnica de Catalunya / Karlsruher Institut für Technologie, 2013)
Bachelor thesis
Restricted access - author's decision
Covenantee: Karlsruher Institut für TechnologieUnderstanding and domination of energy is one of the goals the human mankind has always followed, but it has never had as much importance as it has nowadays. At present, more of 90 % of the total amount of energy support ... -
Biochemical methane production potential from different components of fraction of municipal solid waste
(Universitat Politècnica de Catalunya / Università degli Studi di Padova, 2009)
Master thesis (pre-Bologna period)
Restricted access - author's decision- Issues of management of the organic fraction of municipal solid waste (biogas production in landfills, leachates with high concentrations of organics, odour problems). - Porribility of energy production from this fraction ... -
Catalytic honeycombs for producing methane from CO2 and H2
(Universitat Politècnica de Catalunya, 2016-07)
Master thesis
Restricted access - author's decisionIn the experimental part of the work several catalysts are tested, in order to determine the best candidate among them to produce methane from the reaction between carbon dioxide and hydrogen. These catalysts are ... -
Catalytic methani steam reforming in a micro-structured reactor for hydrogen production
(Universitat Politècnica de Catalunya, 2018-06-12)
Bachelor thesis
Open AccessIn this project, a stainless ste el micro - structured reactor built by a company for the hydrogen production by methane steam reforming i s tested. A nickel based catalyst is prepared through the “incipient wetness ... -
Characterization of the methane–graphene hydrophobic interaction in aqueous solution from ab initio simulations
(2013-09-17)
Article
Restricted access - publisher's policyIn this article, the interaction between a methane molecule and a graphene plane in liquid water has been characterized employing DFT-based free energy Molecular Dynamics calculations. This system represents a good model ... -
Characterization of wastewater methane emission sources with computer vision and remote sensing
(Universitat Politècnica de Catalunya, 2022-10-24)
Master thesis
Open AccessMethane emissions are responsible for at least one-third of the total anthropogenic climate forcing and current estimations expect a significant increase in these emissions in the next decade. Consequently, methane offers ... -
CO and CO2 methanation over Ni catalysts supported on CeO2, Al2O3 and Y2O3 oxides
(2020-05-05)
Article
Open AccessMethanation of carbon oxides (CO and CO2) was studied over Ni-based catalysts supported on CeO2, Al2O3, and Y2O3 oxides. Catalysts were synthesized by solution combustion synthesis and characterized by N2-physisorption, ... -
Direct-methane anode-supported solid oxide fuel cells fabricated by aqueous gel-casting
(Elsevier, 2022-06)
Article
Restricted access - publisher's policyDirect methane Solid Oxide Fuel Cells (SOFCs) operated under catalytic partial oxidation (CPOX) conditions are investigated, focusing on the processing of the anode support and the anode deactivation caused by carbon ... -
Disseny i construcció d'un sistema d'anàlisi de biogàs per a la mesura de CH4 i H2S
(Universitat Politècnica de Catalunya, 2009-09)
Master thesis (pre-Bologna period)
Restricted access - author's decisionAquest projecte esta enfocat a l’estudi, disseny i construcció d’un sistema d’anàlisi en continu del gas resultant en processos de metanització duts a terme a baixa temperatura en abocadors, depuradores, ecoparcs, etc.. ... -
Disseny i posada en marxa d'un sistema d'automatització per a bioreactors anaerobis
(Universitat Politècnica de Catalunya, 2019-09-12)
Master thesis
Open AccessLa digestión anaerobia es un proceso fundamental en el campo del tratamiento de aguas residuales, ya que es un conjunto de reacciones en cadena que proporcionan la degradación de materia orgánica con producción de biogas. ... -
Effect of Fe-Zn-Mg-Al hydrotalcites on the methane potential of synthetic sulfate-containing wastewater
(2016-04-01)
Article
Open AccessThree hydrotalcites of M2+-Mg-Al were synthesized using the co-precipitation method, where M2+ was Fe2+, Zn2+ and Fe2+ + Zn2+. The hydrotalcites and their calcined form of mixed oxides obtained by their thermal decomposition ... -
Effect of Ni particle size on the production of renewable methane from CO2 over Ni/CeO2 catalyst
(2021-10-01)
Article
Restricted access - publisher's policyProduction of ‘renewable Methane’ has attracted renewed research interest as a fundamental probe reaction and process for CO2 utilization through potential use in C1 fuel production and even for future space exploration ... -
Enriquiment d’una població d’arqueobacteris metanogènics hidrogenotròfics en un reactor UASB
(Universitat Politècnica de Catalunya, 2015-02-05)
Bachelor thesis
Open AccessAbstract Anaerobic digestion is a technology widely known for the treatment of organic wastes. By this process the organic matter is partially mineralized and a fuel gas, biogas, is obtained, with a high methane content. ... -
Fabricación de catalizadores de metanación: opitimización del promotor
(Universitat Politècnica de Catalunya, 2018-06-28)
Bachelor thesis
Open Access
Covenantee: Institut de Recerca en Energia de CatalunyaActualmente la concentración de CO2 en la atmosfera es muy alto debido a los continuos procesos industriales y sigue aumentando. Es por esto que el aprovechamiento de CO2 para obtener productos con un valor añadido es muy ... -
In situ elucidation of the active state of Co-CeOx catalysts in the dry reforming of methane: the important role of the reducible oxide support and interactions with cobalt
(2018-04-01)
Article
Open AccessThe dry reforming of methane was systematically studied over a series (2-30 wt%) of Co (~5nm in size) loaded CeO2 catalysts, with an effort to elucidate the behavior of Co and ceria in the catalytic process using in-situ ... -
Influence of different palladium precursors on the properties of solution-combustion-synthesized palladium/ceria catalysts for methane combustion
(2015-07-01)
Article
Open AccessA series of Pd/CeO2 catalysts was prepared by solution combustion synthesis (SCS) using different Pd precursors. The powders were characterized by complementary techniques such as BET surface area measurements, X-Ray ... -
Investigation of the evolution of Pd-Pt supported on ceria for dry and wet methane oxidation
(2022-08-29)
Article
Open AccessEfficiently 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
Open AccessMonometallic 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)
Master thesis (pre-Bologna period)
Open Access -
Methane oxidation activity and nanoscale characterization of Pd/CeO2 catalysts prepared by dry milling Pd acetate and ceria
(2021-03-01)
Article
Open AccessThe 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 ...
