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Modeling the influence of MgSO4 invariant points on multiphase reactive transport process during saline soil evaporation

Autor
Gamazo, P.; Saaltink, M.; Carrera, J.; Slooten, L.; Bea, S.; Gran, M.
Tipus d'activitat
Article en revista
Revista
Physics and chemistry of the Earth
Data de publicació
2013-02-16
Volum
64
Pàgina inicial
57
Pàgina final
64
DOI
https://doi.org/10.1016/j.pce.2013.02.001 Obrir en finestra nova
URL
http://www.sciencedirect.com/science/article/pii/S1474706513000053 Obrir en finestra nova
Resum
In the present work, we modeled a laboratory experiment where a sand column saturated with a MgSO4 solution is subject to evaporation. We used a compositional formulation capable of representing the effect of geochemistry on flow and transport for concentrated solutions under extreme dry conditions. The model accounts for the water sink/sources terms due to hydrated mineral dissolution/precipitation and the occurrence of invariant points, which prescribe the water activity. Results show that the...
Paraules clau
Coupling effects, Hydrated minerals, Invariant point, Multiphase reactive transport, Soil evaporation
Grup de recerca
GHS - Grup d'Hidrologia Subterrània

Participants

  • Gamazo Rusnac, Pablo Andrés  (autor)
  • Saaltink, Maarten Willem  (autor)
  • Carrera Ramírez, Jesús  (autor)
  • Slooten, Luit Jan  (autor)
  • Bea Jofre, Sergio Andres  (autor)
  • Gran Esforzado, Meritxell  (autor)