Exploració per autor "Pablo Ribas, Joan de"
Ara es mostren els items 24-43 de 47
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Leaching behaviour of magnesium phosphate cements containing high quantities of heavy metals
Buj Corral, Irene; Torras Grané, Josep; Rovira Boixaderas, Miquel; Pablo Ribas, Joan de (Elsevier, 2009-10-30)
Article
Accés restringit per política de l'editorialStabilization/solidification (S/S) is one of the most employed techniques for treating liquid wastes containing heavy metals. Magnesium potassium phosphate cements have been used in recent years as stabilizing agents with ... -
Litoral Besós: sistema técnico y social como soporte inteligente y sostenible
Ramírez Agudelo, Nancy Andrea; Roca Bosch, Elisabet; Pablo Ribas, Joan de (Fundación Conama, 2018)
Comunicació de congrés
Accés obertUn argumento común en la regeneración urbana es abordar las presiones sobre los recursos y los desafíos de la urbanización a través del desarrollo tecnológico, mejorando la eficiencia y los problemas de optimización, tal ... -
Modelling enhanced groundwater denitrification in batch micrococosm tests
Calderer, M.; Jubany, Irene; Pérez Magrané, Ramon; Martí Gregorio, Vicenç; Pablo Ribas, Joan de (2010)
Article
Accés restringit per política de l'editorialIn the last few years, enhanced in situ denitrification has gained a lot of interest as a reliable bioremediation option to remove nitrate from groundwater. However, denitrification modelling in the subsurface environment ... -
Modelling the release of Mo, Tc, Ru and Rh from high burnup spent nuclear fuel at alkaline and hyperalkaline pH
Giménez Izquierdo, Francisco Javier; Pablo Ribas, Joan de; García Gómez, Sonia; Serrano Purroy, Daniel; Iglesias Pérez, Luis; Clarens Blanco, Frederic; Martínez Torrents, Albert (Cambridge University Press, 2023-12-30)
Article
Accés obertThe present work shows experimental data on the release of some radionuclides that are forming the so-called e particles in the spent nuclear fuel (SNF): Mo, Tc, Ru and Rh. The leaching experiments were carried out with a ... -
Molybdenum release from high burnup spent nuclear fuel at alkaline and hyperalkaline pH
García Gómez, Sonia; Giménez Izquierdo, Francisco Javier; Casas Pons, Ignasi; Llorca Piqué, Jordi; Pablo Ribas, Joan de; Martínez Torrents, Albert; Clarens Blanco, Frederic; Kokinda, Jakub; Iglesias Pérez, Luis; Serrano Purroy, Daniel (Elsevier, 2023-01-01)
Article
Accés obertThis work presents experimental data and modelling of the release of Mo from high-burnup spent nuclear fuel (63 MWd/kgU) at two different pH values, 8.4 and 13.2 in air. The release of Mo from SF to the solution is around ... -
Oxidation by H2O(g) in the presence of H2(g) of UO2 doped with Pd nanoparticles
Espriu Gascon, Alexandra; Llorca Piqué, Jordi; Domínguez Escalante, Montserrat; Giménez Izquierdo, Francisco Javier; Casas Pons, Ignasi; Pablo Ribas, Joan de (2018-09-28)
Article
Accés obertThis work studies the influence of epsilon particles and metallic precipitates, simulated through the deposition of Pd nanoparticles on non-irradiated UO2, on the oxidation of the spent nuclear fuel (SNF). The presence of ... -
Pilot plant comparison study of two commercial nanofiltration membranes in a drinking water treatment plant
Ribera, Gemma; Llenas Argelaguet, Laia; Rovira, Miquel; Pablo Ribas, Joan de; Martínez Lladó, Xavier (2012-08-06)
Article
Accés restringit per política de l'editorialA wide range of commercial membranes were tested and compared at laboratory scale in order to select the most appropriate for improving the final water quality of a real drinking water treatment plant (DWTP). Most of the ... -
Preparation and characterisation of Pd nanoparticles doped UO2 samples
Espriu Gascon, Alexandra; Bastos Arrieta, Julio Alonso; Giménez Izquierdo, Francisco Javier; Casas Pons, Ignasi; Pablo Ribas, Joan de (2016-01-01)
Article
Accés obertTo assess the safety of the deep geological disposal that would store the spent nuclear fuel (SNF), studies are centred on the SNF behaviour under repository conditions. UO2, which is the most common compound of SNF matrix, ... -
Removal of cadmium, copper, nickel, cobalt and mercury from water by Apatite IITM: column experiments
Oliva Moncunill, Josep; Pablo Ribas, Joan de; Cortina Pallás, José Luís; Cama, Jordi; Ayora Ibáñez, Carlos (Elsevier, 2011-10-30)
Article
Accés restringit per política de l'editorial -
Retention of cesium and strontium by uranophane, Ca(UO2)2(SiO3OH)2·5H2O
Espriu Gascon, Alexandra; Giménez Izquierdo, Francisco Javier; Casas Pons, Ignasi; Pablo Ribas, Joan de (2018-07-05)
Article
Accés obertThis work determines the capacity of uranophane, one of the long-term uranyl secondary solid phases formed on the spent nuclear fuel (SNF), to retain radionuclides (cesium and strontium) released during the dissolution of ... -
Se(IV) immobilization onto natural siderite: implications for high-level nuclear waste repositories
Pavón Regaña, Sandra; Pablo Ribas, Joan de (2021-07-01)
Article
Accés obertSorption processes of metals and semimetals on siderite are studied because of its potential adequacy for removing contaminants from natural waters and its wide availability, as well as its capacity to reduce the oxidation ... -
Semi-dynamic leaching tests of nickel containing wastes stabilized/solidified with magnesium potassium phosphate cements
Torras Grané, Josep; Buj Corral, Irene; Rovira Boixaderas, Miquel; Pablo Ribas, Joan de (Elsevier, 2011-02-28)
Article
Accés restringit per política de l'editorialHerein is presented a study on the long-term leaching behaviour of nickel containing wastes stabilized/solidified with magnesium potassium phosphate cements. Two different semi-dynamic leaching tests were carried out on ... -
Sorption and mobility of Sb(V) in calcareous soils of Catalonia (NE Spain): Batch and column experiments
Martínez Lladó, Xavier; Valderrama Ángel, César Alberto; Rovira Boixaderas, Miquel; Martí Gregorio, Vicenç; Giménez Izquierdo, Francisco Javier; Pablo Ribas, Joan de (2011-01-15)
Article
Accés restringit per política de l'editorialThe sorption of Sb(V) onto natural calcareous soils was studied in batch and column experiments as a function of physicochemical properties of the soil, namely: organic matter, the active fraction of Fe and Al and the pH ... -
Sorption of antimony (V) onto synthetic goethite in carbonate medium
Martinez-Llado, X; Martínez Lladó, Xavier; Pablo Ribas, Joan de; Giménez Izquierdo, Francisco Javier; Ayora Ibáñez, Carlos; Martí Gregorio, Vicenç; Rovira Boixaderas, Miquel (2008-06)
Article
Accés restringit per política de l'editorialThe sorption kinetics of antimony(V) on synthetic goethite is very fast compared to the sorption of other metals on goethite (e.g. arsenic and selenium) and depends on temperature, with an activation energy of 49+9 kJ . ... -
Sorption of selenium(IV) and selenium(VI) onto natural iron oxides: Goethite and hematite
Rovira Boixaderas, Miquel; Giménez Izquierdo, Francisco Javier; Martínez Martínez, María del Rosario; Martí Gregorio, Vicenç; Pablo Ribas, Joan de; Martinez-Llado, X; Duro, L (Elsevier, 2008-01)
Article
Accés restringit per política de l'editorialSelenium is a toxic element with a relatively high mobility in the natural waters. Iron oxy-hydroxides might play an important role in the migration of this element as well as on its removal from contaminated water. In ... -
Sorption of strontium on uranyl peroxide: implications for a high-level nuclear waste repository
Sureda Pastor, Rosa María; Martínez Lladó, Xavier; Rovira Boixaderas, Miquel; Pablo Ribas, Joan de; Casas Pons, Ignasi; Giménez Izquierdo, Francisco Javier (Elsevier, 2010-09-15)
Article
Accés restringit per política de l'editorialStrontium-90 is considered the most important radioactive isotope in the environment and one of the most frequently occurring radionuclides in groundwaters at nuclear facilities. The uranyl peroxide studtite (UO2O2 center ... -
Summary of the euratom collaborative project FIRST-nuclides and conclusions for the safety case
Kienzler, B.; Duro, L.; Lemmens, K.; Metz, V.; Pablo Ribas, Joan de; Valls, A.; Wegen, D.H.; Johnson, L.; Spahiu, K. (2017-06)
Article
Accés restringit per política de l'editorialA consortium of 10 partners from seven European countries and the European Commission collaborated in investigating the short-term release of radionuclides from disposed spent nuclear fuel upon canister failure. The ... -
The use of apatite II (TM) to remove divalent metal ions zinc (II), lead (II), manganese (II) and iron (II) from water in passive treatment systems: column experiments
Oliva Moncunill, Josep; Pablo Ribas, Joan de; Cortina Pallás, José Luís; Cama, Jordi; Ayora Ibáñez, Carlos (Elsevier, 2010-12-15)
Article
Accés obert -
UO2 as new filling material for cesium retention in high-level nuclear waste repositories
Martínez Torrents, Albert; Gimenez, Javier; Pablo Ribas, Joan de; Casas Pons, Ignasi (2015-10-01)
Article
Accés obertDepleted uranium dioxide has been proposed as an inert material to fill spent nuclear fuel canisters in geological repositories. Sorption capacity of this material to retain radionuclides released from the fuel was determined. ... -
UO2 surface oxidation by mixtures of water vapor and hydrogen as a function of temperature
Espriu Gascon, Alexandra; Llorca Piqué, Jordi; Domínguez Escalante, Montserrat; Giménez Izquierdo, Francisco Javier; Casas Pons, Ignasi; Pablo Ribas, Joan de (Elsevier, 2015-12-01)
Article
Accés obertIn the present work, X-Ray Photoelectron Spectroscopy (XPS) was used to study the effect of water vapor on the UO2 surface as a function of temperature. The experiments were performed in situ inside a high pressure chamber ...