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+34 93 401 18 60Esta dirección de correo electrónico está siendo protegida contra los robots de spam. Necesita tener JavaScript habilitado para poder verlo.
UPC: C/ Jordi Girona 31, (08034 - Barcelona) - IDAEA: C/ Jordi Girona 18-26, (08034 - Barcelona)

Eventos y Seminarios

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Formación, cursos, eventos y seminarios

Tracer retention in fractured rock: Theory, characterisation and applications

a cargo de: Vladimir Cvetkovic (KTH Stockholm, Sweden)

Día: Martes 28 de Marzo a las 12:15h

Lugar: Departamento de Ing. Civil y Ambiental (DECA), UPC. Edif D1 planta 1


Retention is a key mechanism of delay for contaminants that are present or may be present in fractured rock.
This mechanism is due to tracer exchange between mobile water (fractures) and the immobile water (matrix).
Due to complex micro and macro structure of fractured rock, quantifying and characterising exchange mechanisms is still challenging.
We present the basic theory for advection-dominated transport with retention, including recent advances in describing non-Fickian mass transfer.
An overview is given of characterisation data obtained from crystalline rock on a variety of scales, from lab to field.
Predictive modelling of transport and the specific role of retention is discussed as an important application in the context of performance and safety assessment studies.


Determination of parameters for the safety analysis of the final disposal of spent nuclear fuel.

a cargo de: Eveliina Muuri (University of Helsinki)

Día: Jueves 06 de Abril a las 12:15h

Lugar: Departamento de Ing. Terreno, Aula Cihs, Planta Baja



The sorption and diffusion parameters of Ba and Cs were determined from laboratory experiments in the conditions of the Olkiluoto and Grimsel in situ test sites as starting parameters for the safety case analyses of the final disposal of spent nuclear fuel.  The sorption of Cs and Ba on biotite was also studied with molecular modelling to understand the sorption processes of the radionuclides on a molecular level. Additionally, the porosity structures of the rocks were studied with C-14-PMMA autoradiography method to assess the migration routes in different rocks. The sorption and diffusion results have been modelled with PhreeqC and the work is still ongoing. The results will be utilized in the analysis of the in situ diffusion experiments conducted in the Olkiluoto and Grimsel test sites.

Recovery test interpretation under non-ideal conditions

a cargo de: Michela Trabucchi

Día: Jueves 23 de Marzo a las 12.15h

Lugar: Departamento de Ing. Terreno, Aula Cihs, Planta Baja


Pumping tests are usually performed during aquifer characterization to gain hydraulic information about the system and to, ultimately, estimate hydraulic properties such transmissivity and storage coefficient. Among the methods employed, the recovery test measures the water level response in surrounding observation wells after the termination of pumping.  Parameter estimates obtained from the interpretation of the water head response depend on the range and quality of available drawdown and pumping rate data (data acquisition) as well as on the approach used for the interpretation (analysis techniques). In this work, we analyse the limitations of Agarwal’s method for interpreting the recovery test under non-ideal conditions and we finally propose a new approach to overcome its limitations.

In this context, we first examine whether Agarwal’s method is valid under non-ideal conditions: constant-head, a leaky aquifer, the presence of an impermeable barrier or a time-dependent pumping rate. Our results show that, once the Jacob’s hypothesis is achieved, Agarwal’s method provides adequate parameter estimates for nearly all system conditions except for a time-dependent pumping rate. In this situation, a new equivalent time should be used instead to better represent the true pumping history utilized during the pumping test.

An approach of groundwater management in Barcelona City

a cargo de: Rotman Criollo

Dia: Jueves 16 de Marzo a las 12:15 h

Lugar: Departamento de Ingeniería del Terreno, Aula CIHS, Planta Baja


Due to the general increase of water scarcity, water quantity and quality must be well known to ensure a proper access to water resources in compliance with local and regional directives. This circumstance can be supported by tools which facilitate process of data management and its analysis. Such analyses have to provide researchers, professionals, policy makers and users with the ability to improve the management of the water resources with standard regulatory guidelines. Specialised tools developed into a geospatial platform is a good option to aid users to share their knowledge and to involve all the stakeholders in a common environment.

In this seminar we will show you the different tools are being implemented in the Barcelona City and their current stage of the project.

Retention Mechanisms of Rare Earth Elements and Yttrium (REY) from acid mine drainage

a cargo de: Alba Lozano
Día: Jueves 09 de Marzo a las 12:15 h
Lugar: Departamento de Ingeniería del Terreno, Aula CIHS, Planta Baja


Rare Earth Elements and Yttrium (REY) are critical raw materials which are essential for modern technologies. They are conventionally mined from igneous rocks from China, and they are now a priority exploration target worldwide. One of the research goals through the European ERAMIN-AMDREY project and the Spanish EMPATIA project is the extraction of REY from the treatment of Acid Mine Drainage (AMD) waters.

Laboratory experiments simulating AMD treatment were performed in columns to better understand the geochemical and mineralogical processes that play in the remediation systems and to determine where REY are retained. The evolution of pore water composition inside two columns revealed that REY content decreased together with Al concentration at pH higher than 4. Sequential extractions of precipitates confirm that the majority of REY are removed in Al zone where basaluminite precipitates (Al4SO4OH10·5H2O). This suggests that REY can be sorbed and coprecipitated with basaluminite.

Different batch sorption experiments were carried out to study REY sorption on basaluminite. Since Lanthanide (Ln3+) aqueous speciation in AMD waters with high SO42- concentrations are dominated by LnSO4+ complex, a first hypothesis is that REY are incorporated as LnSO4+. Synchrotron based experiments were performed in order to elucidate the binding mechanism of REY into basaluminite by EXAFS measurements, in Ln-SO4 solutions and in REY-doped basaluminites.

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