Exploració per autor "Saaltink, Maarten Willem"
Ara es mostren els items 21-40 de 48
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Modelación de flujo multifase en ensayos de evaporación en columna de hormigón
Chaparro Sánchez, Maria Carme; Saaltink, Maarten Willem; Villar, M.V. (2011)
Text en actes de congrés
Accés obertSe han simulado ensayos de evaporación en dos columnas de hormigón (B y C), con el objetivo de caracterizar mejor las propiedades del hormigón del Centro de Almacenamiento de residuos radioactivos de El Cabril y los ... -
Modeling evaporation processes in a saline soil from saturation to oven dry conditions
Gran Esforzado, Meritxell; Carrera Ramírez, Jesús; Olivella Pastallé, Sebastià; Saaltink, Maarten Willem (2011)
Article
Accés obertThermal, suction and osmotic gradients interact during evaporation from a salty soil. Vapor fluxes become the main water flow mechanism under very dry conditions. A coupled nonisothermal multiphase flow and a reactive ... -
Modeling reactive multi-component multi-phase flow for Geological Carbon Sequestration (GCS) with Matlab
Wang, Yufei; Fernández García, Daniel; Saaltink, Maarten Willem (2023-03)
Article
Accés restringit per política de l'editorialWe present a reactive multi-component multi-phase flow program for simulating Geological Carbon Sequestration (GCS), an approach that reduces carbon emissions by storing in deep subsurface formations. The program, called ... -
Modeling the hydrogeochemical evolution of brine in saline systems: case study of the Sabkha of Oum El Khialate in South East Tunisia
Nasri, N; Bouhlila, R; Saaltink, Maarten Willem; Gamazo, Pablo (2015-04)
Article
Accés obertWe studied the effects of evaporation and groundwater flow on the formation of salt minerals in the Sabkha of Oum El Khialate in South East Tunisia, which contains large amounts of sulfate sodium mineral deposits. Due to ... -
Modeling the organic carbon oxidation and redox sequence under the partial-equilibrium approach: a discussion by means of a semi-analytical solution
Saaltink, Maarten Willem; Rodríguez Escales, Paula-Felicidad (2022-07)
Article
Accés obertIn this work, we have developed a semi-analytical solution for organic carbon oxidation coupled to the reduction-oxidation sequence assuming the Partial Equilibrium Approach (PEA) and using the decoupling procedure of De ... -
Modelling of matrix diffusion in a tracer test in concrete
Chaparro Sánchez, Maria Carme; Saaltink, Maarten Willem; Soler Matamala, Josep M.; Slooten, Luit Jan; Mäder, URS (2016-01)
Article
Accés obertA laboratory-scale tracer test has been carried out to improve the characterization of the transport properties of the concrete from the radioactive waste disposal facility at El Cabril (Spain). High entry pressure was ... -
Modelling of multiphase flow in concrete cells of the radioactive waste storage facility at El Cabril (Spain)
Chaparro Sánchez, Maria Carme; Saaltink, Maarten Willem (2014)
Text en actes de congrés
Accés obertEl Cabril is the low and intermediate level radioactive waste disposal facility for Spain. After sealing the cells that stored the radioactive waste, water was collected from a drainpipe, indicating flow of water within ... -
Modelling of multiphase flow in evaporation tests in concrete columns
Chaparro Sánchez, Maria Carme; Saaltink, Maarten Willem; Villar, M.V. (2013)
Text en actes de congrés
Accés obert -
Modelling tritium transport, matrix diffusion and multiphase flow in a concrete cell used for storing radioactive waste at El Cabril (Spain)
Chaparro Sánchez, Maria Carme; Saaltink, Maarten Willem (International Centre for Numerical Methods in Engineering (CIMNE), 2017)
Comunicació de congrés
Accés obert‘El Cabril’ is the low and intermediate level radioactive waste disposal facility of Spain. Water with high concentration of tritium is collected from a drain, which is situated at the centre of a concrete cell that stores ... -
Multiphase flow models of concrete cells of the radioactive waste disposal facility at El Cabril (Spain)
Chaparro Sánchez, Maria Carme; Saaltink, Maarten Willem (Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica (ETCG), 2015)
Text en actes de congrés
Accés obertEl Cabril is the low and intermediate level radioactive waste disposal facility for Spain. From the start of the filling (1992) until 2003, no water was collected from the drain situated at the centre of the cell. From ... -
Multirate mass transfer simulation of denitrification in a woodchip bioreactor
Wang, Jingjing; Carrera Ramírez, Jesús; Valhondo González, Cristina; Saaltink, Maarten Willem; Petchamé Guerrero, Jordi; Zhang, Fengshou; Herbert, Roger (Elsevier, 2023-09)
Article
Accés obertDenitrifying woodchip bioreactors (DWBs) have proven to be an efficient nature-based solution for nitrate removal. Modeling DWBs is required for improving their design and operation, but is hindered by the complexity of ... -
New perspectives on the use of 224Ra/228Ra and 222Rn/226Ra activity ratios in groundwater studies
Diego Feliu, Marc; Rodellas, Valentí; Saaltink, Maarten Willem; Alorda Kleinglass, Aaron; Goyetche, Tybaud; Martínez Pérez, Laura; Folch Sancho, Albert; Garcia Orellana, Jordi (Elsevier, 2021-05)
Article
Accés restringit per política de l'editorialThe naturally occurring Ra isotopes (223Ra; T1/2 = 11.4 d, 224Ra; T1/2 = 3.66 d, 226Ra; T1/2 = 1,600 y, and 228Ra; T1/2 = 5.7 y) and Rn (222Rn; T1/2 = 3.82 d) have been widely applied as environmental tracers. The application ... -
On the localization of chemical reactions in multicontinuum media
Wang, Jingjing; Carrera Ramírez, Jesús; Saaltink, Maarten Willem; Valhondo González, Cristina (Elsevier, 2022-09)
Article
Accés obertReactive transport (RT) through heterogeneous media, may cause chemical heterogeneity if water flux is slow through portions of the medium. In such cases, chemical localization (i.e., the occurrence of reactions that would ... -
On the validity of the null current assumption for modeling sorptive reactive transport and electro-diffusion in porous media
Tabrizinejadas, Sara; Carrayrou, Jerome; Saaltink, Maarten Willem; Baalousha, Husam Musa; Fahs, Marwan (2021-08)
Article
Accés obertIn multispecies electrolyte solutions, each individual species can migrate according to its specific ionic properties. This process is called electrochemical migration or electro-diffusion and is well-described by the ... -
PROOST: object-oriented approach to multiphase reactive transport modeling in porous media
Gamazo, Pablo; Slooten, Luit Jan; Carrera Ramírez, Jesús; Saaltink, Maarten Willem; Bea, Sergio Andres; Soler Guitart, Joan (2016-03)
Article
Accés obertReactive transport modeling involves solving several nonlinear coupled phenomena, among them, the flow of fluid phases, the transport of chemical species and energy, and chemical reactions. There are different ways to ... -
Radionuclide migration: coupling transport and chemistry
Carrera Ramírez, Jesús; Ayora Ibáñez, Carlos; Saaltink, Maarten Willem; Dentz, Marco (Woodhead Publishing Limited, 2012)
Capítol de llibre
Accés restringit per política de l'editorial -
Reactive transport modelling of a high-pH infiltration test in concrete
Chaparro Sánchez, Maria Carme; Soler Matamala, Josep M.; Saaltink, Maarten Willem; Mäder, URS (2017-06)
Article
Accés obertA laboratory-scale tracer test was carried out to characterize the transport properties of concrete from the Radioactive Waste Disposal Facility at El Cabril (Spain). A hyperalkaline solution (K-Ca-OH, pH = 13.2) was ... -
Reactive transport modelling of cement-groundwater-rock interaction at the Grimsel Test Site
Chaparro Sánchez, Maria Carme; Saaltink, Maarten Willem; Soler Matamala, Josep M. (2017-06)
Article
Accés obertAn in situ experiment at the Grimsel Test Site (Switzerland) to study water-cement-rock interaction in fractured granite was modelled. It consisted of a hardened cement source in a borehole intersecting a water conducting ... -
Reactive transport: a review of basic concepts with emphasis on biochemical processes
Carrera Ramírez, Jesús; Saaltink, Maarten Willem; Soler Sagarra, Joaquim; Wang, Jingjing; Valhondo González, Cristina (2022-02)
Article
Accés obertReactive transport (RT) couples bio-geo-chemical reactions and transport. RT is important to understand numerous scientific questions and solve some engineering problems. RT is highly multidisciplinary, which hinders the ... -
Salinity is reduced below the evaporation front during soil salinization
Gran Esforzado, Meritxell; Carrera Ramírez, Jesús; Olivella Pastallé, Sebastià; Massana, Jordi; Saaltink, Maarten Willem; Ayora Ibáñez, Carlos; Lloret Morancho, Antonio (2009-11-01)
Text en actes de congrés
Accés obertLa salinización de suelos es un problema global. Generalmente, la salinización es causada por el transporte de sales hacia la superficie por capilaridad y, a pesar de su importancia global, los mecanismos que la controlan ...