Now showing items 1-11 of 11

  • Changes of heavy metal and PCB contents in surficial sediments of the Barcelona harbour after the opening of a new entrance 

    Gibert Agulló, Oriol; Martínez Lladó, Xavier; Martí Gregorio, Vicenç; Diez, S.; Romo, J; Bayona, Josep Maria; Pablo Ribas, Joan de (2009-11)
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    The Barcelona harbour is one of the biggest and most important in commercial and passenger traffic in the Mediterranean Sea. In 2003, construction works for the enlargement of the port were carried out with the opening ...
  • Characterising biofilm development on granular activated carbon used for drinking water production 

    Gibert Agulló, Oriol; Lefèvre, B.; Fernández, Marc; Bernat Camí, Xavier; Paraira, Miquel; Calderer Perich, Montserrat; Martínez Lladó, Xavier (2013-03-01)
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    Under normal operation conditions, granular activated carbon (GAC) employed in drinking water treatment plants (DWTPs) for natural organic matter (NOM) removal can be colonised by microorganisms which can eventually establish ...
  • Comparison of nanofiltration membranes' performance in flat sheet and spiral wound configurations: a scale-up study 

    Ribera, Gemma; Llenas Argelaguet, Laia; Martínez Lladó, Xavier; Rovira, Miquel; Pablo Ribas, Joan de (2012-08-10)
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    Nanofiltration (NF) membranes have been largely developed and commercialised over the past decade and are currently one of the most promising technologies for the separation of neutral and charged solutes in aqueous ...
  • Identification of fracture toughness for discrete damage mechanics analysis of glass-epoxy laminates 

    Barbero, Ever; Cosso, F. A.; Martínez Lladó, Xavier (2014-08-01)
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    A methodology for determination of the intralaminar fracture toughness is presented, based on fitting discrete damage mechanics (DDM) model predictions to available experimental data. DDM is constitutive model that, when ...
  • Investigation of the dielectric properties of nanofiltration membranes 

    Oatley, Darren Lee; Llenas Argelaguet, Laia; Aljohani, Nasser H M; Williams, Paul Melvyn; Martínez Lladó, Xavier; Rovira Boixaderas, Miquel; Pablo Ribas, Joan de (2013-04-15)
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    Membrane nanofiltration is extremely complex and is dependent on the micro-hydrodynamics and interfacial events occurring at the membrane surface and within the membrane nanopores. There is significant debate as to the ...
  • 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)
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    A 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 ...
  • Review of the dielectric properties of nanofiltration membranes and verification of the single oriented layer approximation 

    Oatley, Darren Lee; Llenas Argelaguet, Laia; Pérez Magrané, Ramon; Williams, Paul M.; Martínez Lladó, Xavier; Rovira Boixaderas, Miquel (2011-05-15)
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    The structuring of water at soft solid surfaces remains an area of great interest to colloid science as a whole and has many applications in relation to colloid stability, foams, and wetting films as well as being central ...
  • Solubility study and point of zero charge of studtite (UO2O2 center dot 4H(2)O) 

    Giménez Izquierdo, Francisco Javier; De Pablo, Joan; Casas Pons, Ignasi; Martínez Lladó, Xavier; Rovira Boixaderas, Miquel; Martinez Torrents, A (2014-10-01)
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    The knowledge of the characteristics of the U(VI)-peroxide chemical system is of importance because of the relevance of the uranyl peroxide solid phases studtite (UO2O2 center dot 4H(2)O) or metastudtite (UO2O2 center dot ...
  • Sorption and mobility of Sb(V) in calcareous soils of Catalonia (NE Spain): Batch and column experiments 

    Martínez Lladó, Xavier; Valderrama Angel, César Alberto; Rovira Boixaderas, Miquel; Martí Gregorio, Vicenç; Giménez Izquierdo, Francisco Javier; Pablo Ribas, Joan de (2011-01-15)
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    The 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)
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    The 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 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)
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    Strontium-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 ...