Browsing by UPNA Author "Gandía Pascual, Luis"
Now showing items 1-20 of 33
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The 3D-printing fabrication of multichannel silicone microreactors for catalytic applications
Ibáñez de Garayo Quilchano, Alejandro; Imizcoz Aramburu, Mikel; Maisterra Udi, Maitane
; Almazán, Fernando; Sanz Carrillo, Diego; Bimbela Serrano, Fernando 
; Cornejo Ibergallartu, Alfonso ; Pellejero, Ismael ; Gandía Pascual, Luis (MDPI, 2023)
Artículo / Artikulua 
Microstructured reactors (MSRs) are especially indicated for highly demanding heterogeneous catalysis due to the small channel dimensions that minimize diffusional limitations and enhance mass and heat transport between ... -
Acoustic and psychoacoustic levels from an internal combustion engine fueled by hydrogen vs. gasoline
Arana Burgui, Miguel ; San Martín Murugarren, Ricardo ; Urroz Unzueta, José Carlos ; Diéguez Elizondo, Pedro; Gandía Pascual, Luis (Elsevier, 2022)
Artículo / Artikulua
Whereas noise generated by road traffic is an important factor in urban pollution, little attention has been paid to this issue in the field of hydrogen-fueled vehicles. The objective of this study is to analyze the influence ... -
Adaptación de un motor de combustión interna alternativo de gasolina para su funcionamiento con hidrógeno como combustible. Aplicaciones energética y de automoción
Sáinz Casas, David (2016)
Tesis doctoral / Doktoretza tesia
En esta tesis doctoral se presentan los trabajos de investigación realizados recientemente en la Universidad Pública de Navarra sobre la conversión de motores de gasolina para su funcionamiento con hidrógeno, así como el ... -
Application of a modeling tool to describe fly ash generation, composition, and melting behavior in a wheat straw fired commercial power plant
Funcia, Ibai; Bimbela Serrano, Fernando ; Gil, Javier; Gandía Pascual, Luis (MDPI, 2020)
Artículo / Artikulua
Ash behavior is a key operational aspect of industrial-scale power generation by means of biomass combustion. In this work, FactSage™ 6.4 software was used to develop and assess three models of wheat straw combustion in a ... -
Application of eco-design and life cycle assessment standards for environmental impact reduction of an industrial product
Navajas León, Alberto ; Uriarte Elizaga, Leire; Gandía Pascual, Luis (MDPI, 2017)
Artículo / Artikulua
Eco-design is included within the framework of the standard for “Environmental management systems—Guidelines for incorporating Eco-design” (ISO 14006:2011). Eco-design process, as defined in standard, has six steps: (i) ... -
Aumento de potencia en un motor comercial de encendido provocado alimentado con hidrógeno: mezclas hidrógeno-metano y combustiones anómalas
Urroz Unzueta, José Carlos (2020)
Tesis doctoral / Doktoretza tesia
Este trabajo se ha centrado en el aumento de potencia de un motor comercial de encendido provocado alimentado con hidrógeno. La extremadamente baja densidad del hidrógeno conlleva una menor potencia, frente a otros ... -
Avances en la producción de biodiésel: etanolisis y nuevos catalizadores heterogéneos
Reyero Zaragoza, Inés (2014)
Tesis doctoral / Doktoretza tesia
La síntesis convencional del biodiésel se realiza por transesterificación con metanol de los triglicéridos que constituyen los aceites vegetales en presencia de catalizadores básicos homogéneos. En esta tesis se estudian ... -
Catalytic performance of bulk and Al₂O₃-supported molybdenum oxide for the production of biodiesel from oil with high free fatty acids content
Navajas León, Alberto ; Reyero Zaragoza, Inés ; Jiménez Barrera, Elena; Romero Sarria, Francisca; Llorca Piqué, Jordi; Gandía Pascual, Luis (MDPI, 2020)
Artículo / Artikulua
Non-edible vegetable oils are characterized by high contents of free fatty acids (FFAs) that prevent from using the conventional basic catalysts for the production of biodiesel. In this work, solid acid catalysts are used ... -
CO2 methanation over nickel catalysts: support effects investigated through specific activity and operando IR spectroscopy measurement
González Rangulan, Vigni Virginia; Reyero Zaragoza, Inés ; Bimbela Serrano, Fernando ; Romero Sarria, Francisca; Daturi, Marco; Gandía Pascual, Luis (MDPI, 2023)
Artículo / Artikulua
Renewed interest in CO2 methanation is due to its role within the framework of the Power-to-Methane processes. While the use of nickel-based catalysts for CO2 methanation is well stablished, the support is being subjected ... -
Comparative performance of coke oven gas, hydrogen and methane in a spark ignition engine
Ortiz Imedio, Rafael; Ortiz, A.; Urroz Unzueta, José Carlos ; Diéguez Elizondo, Pedro ; Gorri, D.; Gandía Pascual, Luis ; Ortiz, I. (Elsevier, 2020)
Artículo / Artikulua
In this study, coke oven gas (COG), a by-product of coke manufacture with a high volumetric percentage of H2 and CH4, has been identified as auxiliary support and promising energy source in stationary internal combustion ... -
Desarrollo de catalizadores de cobalto y rodio para la producción de gas de síntesis por oxidación parcial de metano
Moral Larrasoaña, Ainara (2017)
Tesis doctoral / Doktoretza tesia
Los procesos Gas-to-Liquid (GTL), basados en la transformación de gas natural en hidrocarburos sintéticos, son de gran interés para la valorización de los nuevos recursos que emergen actualmente fruto de la aparición de ... -
Extraction of phenolic compounds from populus salicaceae bark
Autor, E.; Cornejo Ibergallartu, Alfonso ; Bimbela Serrano, Fernando ; Maisterra Udi, Maitane ; Gandía Pascual, Luis ; Martínez-Merino, V. (MDPI, 2022)
Artículo / Artikulua
Lignocellulosic residues have the potential for obtaining high value-added products that could be better valorized if biorefinery strategies are adopted. The debarking of short-rotation crops yields important amounts of ... -
Functionalization of 3D printed ABS filters with MOF for toxic gas removal
Pellejero, Ismael ; Almazán, Fernando; Lafuente, María; Urbiztondo, Miguel A.; Dobrek, Martin; Bechelany, Mikhael; Julbe, Anne; Gandía Pascual, Luis (Elsevier, 2020)
Artículo / Artikulua
Acrylonitrile butadiene styrene (ABS) is one of the most extensively used polymer in 3D printing manufacturing due to its competitive thermal and mechanical properties. Recently, a special attention has been devoted to ... -
Gaseous fueling of an adapted commercial automotive spark-ignition engine: simplified thermodynamic modeling and experimental study running on hydrogen, methane, carbon monoxide and their mixtures
Urroz Unzueta, José Carlos ; Diéguez Elizondo, Pedro ; Arzamendi Manterola, María Cruz ; Arana Burgui, Miguel ; Gandía Pascual, Luis (Elsevier, 2023)
Artículo / Artikulua
In the present work, methane, carbon monoxide, hydrogen and the binary mixtures 20 % CH4–80 % H2, 80 % CH4–20 % H2, 25 % CO–75 % H2 (by volume) were considered as fuels of a naturally aspirated port-fuel injection four-cylinder ... -
Gold supported on CuOₓ/CeO₂ catalyst for the purification of hydrogen by the CO preferential oxidation reaction (PROX)
Laguna, O. H.; Hernández, W. Y.; Arzamendi Manterola, María Cruz ; Gandía Pascual, Luis ; Centeno, M. A. (Elsevier, 2014)
Artículo / Artikulua
Hydrogen produced from the conversion of hydrocarbons or alcohols contains variable amounts of CO that should be removed for some applications such as feeding low-temperature polymer electrolyte membrane fuel cells (PEMFCs). ... -
Hydrogen production from water electrolysis: current status and future trends
Ursúa Rubio, Alfredo ; Gandía Pascual, Luis ; Sanchis Gúrpide, Pablo (IEEE, 2012)
Artículo / Artikulua
This paper reviews water electrolysis technologies for hydrogen production and also surveys the state of the art of water electrolysis integration with renewable energies. First, attention is paid to the thermodynamic and ... -
In situ synthesis of SERS-active Au@POM nanostructures in a microfluidic device for real-time detection of water pollutants
Lafuente, Marta; Pellejero, Ismael ; Clemente, Alberto; Urbiztondo, Miguel A.; Mallada, Reyes; Reinoso, Santiago ; Pina, María del Pilar; Gandía Pascual, Luis (ACS, 2020)
Artículo / Artikulua
We present a simple, versatile and low-cost approach for the preparation of SERS-active regions within a microfluidic channel 50 cm in length. The approach involves the UV-light-driven formation of polyoxometalate-decorated ... -
Influence of the power supply on the energy efficiency of an alkaline water electrolyser
Ursúa Rubio, Alfredo ; Marroyo Palomo, Luis ; Gubía Villabona, Eugenio ; Gandía Pascual, Luis ; Diéguez Elizondo, Pedro ; Sanchis Gúrpide, Pablo (Elsevier, 2009)
Artículo / Artikulua
Electric energy consumption represents the greatest part of the cost of the hydrogen produced by water electrolysis. An effort is being carried out to reduce this electric consumption and improve the global efficiency ... -
Innovative catalyst integration on transparent silicone microreactors for photocatalytic applications
Pellejero, Ismael ; Clemente, Alberto; Reinoso, Santiago ; Cornejo Ibergallartu, Alfonso ; Navajas León, Alberto ; Vesperinas Oroz, José Javier; Urbiztondo, Miguel A.; Gandía Pascual, Luis (Elsevier, 2022)
Artículo / Artikulua
Reproducible and controllable incorporation and immobilization of catalysts and other active particles onto silicone microreactor channels is still challenging. In this work, we present an innovative fabrication protocol ... -
Kinetic analysis and CFD simulations of the photocatalytic production of hydrogen in silicone microreactors from water-ethanol mixtures
Castedo, Alejandra; Uriz Doray, Irantzu ; Soler, Lluís; Gandía Pascual, Luis ; Llorca Piqué, Jordi (Elsevier, 2017)
Artículo / Artikulua
Silicone microreactors containing microchannels of 500 μm width in a single or triple stack configuration have been manufactured, coated with an Au/TiO2 photocatalyst and tested for the photocatalytic production of hydrogen ...
