Now showing items 1-20 of 25

    • 7 - Hydrogen production in microreactors 

      Soler Turu, Lluís; Jiménez Divins, Nuria; Vendrell Villafruela, Xavier; Serrano Carreño, M. Isabel; Llorca Piqué, Jordi (Elsevier, 2020-07-24)
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      Catalytic microreactors constitute a crucial technology for process intensification in the production of hydrogen, particularly for on-site and/or onboard applications intended to feed fuel cells. This chapter describes ...
    • A comparative experimental study of gross alpha methods in natural waters 

      Montaña Gurrera, Montserrat; Fons, J; Corbacho, J.A.; Camacho García, Antonia; Zapata-García, D; Guillen, J.; Serrano Carreño, M. Isabel; Tent, J; Baeza, A; Llauradó, Montserrat; Vallés, I (Elsevier, 2013-04)
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      The aim of the present work was to compare the results obtained with gross alpha methods such as evaporation, co-precipitation and total evaporation by liquid scintillation counting and to check whether these results are ...
    • Ammonia decomposition over 3D-printed CeO2 structures loaded with Ni 

      Lucentini, Ilaria; Serrano Carreño, M. Isabel; Soler Turu, Lluís; Jiménez Divins, Nuria; Llorca Piqué, Jordi (2020-02-05)
      Article
      Open Access
      Binder-free ceria pastes have been formulated and used to prepare ceria structures with a woodpile arrangement of microchannels through 3D printing. After loading them with nickel, these catalytic structures have been ...
    • Bimetallic NiFe nanoparticles supported on CeO2 as catalysts for methane steam reforming 

      Braga, Andrea; Armengol Profitós, Marina; Pascua Solé, Laia; Vendrell Villafruela, Xavier; Soler Turu, Lluís; Serrano Carreño, M. Isabel; Villar García, Ignacio J.; Pérez Dieste, Virginia; Jiménez Divins, Nuria; Llorca Piqué, Jordi (American Chemical Society, 2023-05-12)
      Article
      Open Access
      Ni-Fe nanocatalysts supported on CeO2 have been prepared for the catalysis of methane steam reforming (MSR) aiming for coke-resistant noble metal-free catalysts. The catalysts have been synthesized by traditional incipient ...
    • Catalytic ammonia decomposition over Ni-Ru supported on CeO2 for hydrogen production: Effect of metal loading and kinetic analysis 

      Lucentini, Ilaria; García Colli, Germán; Luzi, Carlos Daniel; Serrano Carreño, M. Isabel; Martínez, Osvaldo Miguel; Llorca Piqué, Jordi (Elsevier, 2021-06-05)
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      Open Access
      Ceria-supported Ni-Ru bimetallic catalysts with different metal loadings have been prepared by co-impregnation, characterized and tested in the production of hydrogen from the catalytic decomposition of ammonia. The ...
    • Ceria-based catalysts studied by near ambient pressure x-ray photoelectron spectroscopy: A review 

      García de Andrés, Xènia; Soler Turu, Lluís; Jiménez Divins, Nuria; Vendrell Villafruela, Xavier; Serrano Carreño, M. Isabel; Lucentini, Ilaria; Prat Albert, Jordi; Solano Minuesa, Eduardo; Tallarida, Massimo; Escudero, Carlos; Llorca Piqué, Jordi (2020-03-03)
      Article
      Open Access
      The development of better catalysts is a passionate topic at the forefront of modern science, where operando techniques are necessary to identify the nature of the active sites. The surface of a solid catalyst is dynamic ...
    • Coincidence summing corrections for volume samples using the PENELOPE/penEasy Monte Carlo code 

      Vargas Drechsler, Arturo; Camps Brunés, Anna; Serrano Carreño, M. Isabel; Duch Guillen, María Amor (2014-05)
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      The coincidence summing correction factors estimated with penEasy, a steering program for the Monte Carlo simulation code PENELOPE, and with penEasy-eXtended, an in-house modified version of penEasy, are presented and ...
    • Enhancing the performance of a novel CoRu/CeO2 bimetallic catalyst for the dry reforming of methane via a mechanochemical process 

      Armengol Profitós, Marina; Braga, Andrea; Pascua Solé, Laia; Lucentini, Ilaria; García de Andrés, Xènia; Soler Turu, Lluís; Vendrell Villafruela, Xavier; Serrano Carreño, M. Isabel; Villar García, Ignacio J.; Pérez Dieste, Virginia; Escudero, Carlos; Jiménez Divins, Nuria; Llorca Piqué, Jordi (Elsevier, 2024-05-15)
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      Open Access
      A mechanochemical synthesis method has been used to synthesize CoRu nanoparticles supported on CeO2 for methane dry reforming. In this work, we study the effect of Ru addition to Co/CeO2-based catalysts and of the synthesis ...
    • Experimental analysis of the mass eficiency curve for gross alphya activity and morphological study of the residue obtained by the co-precipitation method 

      Montaña Gurrera, Montserrat; Camacho García, Antonia; Valles Murciano, M. Isabel; Serrano Carreño, M. Isabel (2012-08)
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      Gross alpha activity determination in drinking water is one of the radiological parameters that must be determined in order to decide whether further specific analyses of radionuclides in samples is required. This parameter ...
    • Influence of long-range atmospheric transport pathways and climate teleconnection patterns on the variability of surface Pb-210 and Be-7 concentrations in southwestern Europe 

      Grossi, Claudia; Ballester, Joan; Serrano Carreño, M. Isabel; Galmarini, Stefano; Camacho García, Antonia; Curcoll, Roger; Morguí, Josep Anton; Rodó, Xavier; Duch Guillen, María Amor (Elsevier, 2016-12-01)
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      Open Access
      The variability of the atmospheric concentration of the 7Be and 210Pb radionuclides is strongly linked to the origin of air masses, the strength of their sources and the processes of wet and dry deposition. It has been ...
    • Influence of the Fukushima Dai-ichi nuclear accident on Spanish environmental radioactivity levels 

      Baeza, A.; Corbacho, J.A.; Rodríguez, Alicia; Galván, J.; García Tenorio, R.; Manjón, G.; Mantero, Juan; Vioque, I.; Arnold Arias, Dèlia; Grossi, Claudia; Serrano Carreño, M. Isabel; Valles Murciano, M. Isabel; Vargas Drechsler, Arturo (Elsevier, 2012-12)
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      This paper presents measurements of the effect of the atmospheric radioactive release from the Fukushima Dai-ichi nuclear power station at three sites belonging to the Spanish environmental monitoring system. Measured ...
    • Investigation of the evolution of Pd-Pt supported on ceria for dry and wet methane oxidation 

      Jiménez Divins, Nuria; Braga, Andrea; Vendrell Villafruela, Xavier; Serrano Carreño, M. Isabel; García de Andrés, Xènia; Soler Turu, Lluís; Lucentini, Ilaria; Danielis, Maila; Mussio, Andrea; Colussi, Sara; Villar García, Ignacio J.; Escudero, Carlos; Trovarelli, Alessandro; Llorca Piqué, Jordi (2022-08-29)
      Article
      Open Access
      Efficiently 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 ...
    • Investigation of the mechanochemically promoted Pd–Ce interaction under stoichiometric methane oxidation conditions 

      Danielis, Maila; Jiménez Divins, Nuria; Llorca Piqué, Jordi; Soler Turu, Lluís; García de Andrés, Xènia; Serrano Carreño, M. Isabel; Betancourt, Luis E.; Xu, Wenqian; Rodriguez, Jose A.; Senanayake, Sanjaya D.; Colussi, Sara; Trovarelli, Alessandro (2023)
      Article
      Open Access
      The optimization of the supported Pd phase for CH4 activation on Pd/CeO2 catalysts has been a matter of great interest in the recent literature, aiming at the design of efficient methane abatement catalysts for Natural Gas ...
    • Modelling and simulation of catalytic ammonia decomposition over Ni-Ru deposited on 3D-printed CeO2 

      Lucentini, Ilaria; García Colli, Germán; Luzi, Carlos Daniel; Serrano Carreño, M. Isabel; Soler Turu, Lluís; Jiménez Divins, Nuria; Martínez, Osvaldo Miguel; Llorca Piqué, Jordi (2022-01)
      Article
      Open Access
      3D-printed ceria structures have been prepared by robocasting, without using any additive, and impregnated with different amounts of Ni and Ru, characterized and tested for the catalytic decomposition of ammonia in a fixed ...
    • Natural and antropogenic radionuclides in airborne particulate samples collected in Barcelona (Spain) 

      Valles Murciano, M. Isabel; Camacho García, Antonia; Serrano Carreño, M. Isabel; Blázquez Pérez, Sonia M. (Elsevier, 2009-02)
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      Results for naturally occurring 7Be, 210Pb, 40K, 214Bi, 214Pb, 212Pb, 228Ac and 208Tl and anthropogenic 137Cs in airborne particulate matter in the Barcelona area during the period from January 2001 to December 2005 are ...
    • Natural and artificial radionuclides in sludge, sand, granular activated carbon and reverse osmosis brine from a metropolitan drinking water treatment plant 

      Mulas Capuz, Daniel; Camacho García, Antonia; Serrano Carreño, M. Isabel; Montes, Sergio; Devesa Devesa, Ricardo; Duch Guillen, María Amor (Elsevier, 2017-10)
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      Open Access
    • Ni-Ru supported on CeO2 obtained by mechanochemical milling for catalytic hydrogen production from ammonia 

      Lucentini, Ilaria; Serrano Carreño, M. Isabel; García de Andrés, Xènia; Garzón Manjón, Alba; Hu, Xinxin; Arbiol, Jordi; Pascua Solé, Laia; Prat Albert, Jordi; Villalobos Portillo, Edgar Eduardo; Marini, Carlo; Escudero, Carlos; Llorca Piqué, Jordi (Elsevier, 2024-06)
      Article
      Open Access
      Developing active and stable catalysts for carbon-free hydrogen production is crucial to mitigate the effects of climate change. Ammonia is a promising carbon-free hydrogen source, as it has a high hydrogen content and is ...
    • Operando NAP-XPS studies of a ceria-supported Pd catalyst for CO oxidation 

      García de Andrés, Xènia; Soler Turu, Lluís; Vendrell Villafruela, Xavier; Serrano Carreño, M. Isabel; Herrera, Facundo; Prat, Jordi; Solano Minuesa, Eduardo; Tallarida, Massimo; Llorca Piqué, Jordi; Escudero, Carlos (Multidisciplinary Digital Publishing Institute (MDPI), 2022-12-20)
      Article
      Open Access
      Supported Pd/CeO2 catalytic systems have been widely investigated in the low-temperature oxidation of CO (LTO CO) due to the unique oxygen storage capacity and redox properties of the ceria support, which highly influence ...
    • Optimization of the sintering thermal treatment and the ceramic ink used in direct ink writing of a-Al2O3: Characterization and catalytic application 

      Álvarez Maté, Ferran; Cifuentes López, Alejandro; Serrano Carreño, M. Isabel; Franco García, María Lourdes; Fargas Ribas, Gemma; Fenollosa i Artés, Felip; Uceda Molera, Roger; Llanes Pitarch, Luis Miguel; Tardivat, C; Llorca Piqué, Jordi; Roa Rovira, Joan Josep (Elsevier, 2022-06-01)
      Article
      Open Access
      Unlike other engineered ceramic products, alumina (Al2O3) displays interesting mechanical and physical properties, which makes it an ideal candidate for a wide range of uses in different fields and in particular for catalytic ...
    • Promising photocatalysts based on nanoshaped TiO2- rGO composite doped with metals (Pt and Cu) for hydrogen photoproduction 

      Pollap, Aleksandra; Serafin, Jaroslaw; Serrano Carreño, M. Isabel; Srenscek Nazzal, Joanna; Llorca Piqué, Jordi (Elsevier, 2022-12-01)
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      Photocatalysts based on TiO2 and its modification have become popular as promising materials for the sustainable photoproduction of hydrogen. In this work, novel Pt - Cu - TiO2 composites with different TiO2 nanoshapes and ...