Cit:Takatori.etal:2021
| Autor | Takatori, N.; Sakai, K.; Ogura, D.; Wakiya, S.; Abuku, M. |
| Jahr | 2021 |
| Titel | Measurement of sodium chloride solution permeability and sorptivity |
| Bibtex | @inproceedings { Takatori.etal:2021,
title = {Measurement of sodium chloride solution permeability and sorptivity }, booktitle = {Proceedings of SWBSS 2021 – Fifth International Conference on Salt Weathering of Buildings and Stone Sculptures}, year = {2021}, editor = {Lubelli, B.; Kamat, A.A.; Quist, W.J.}, pages = {163-171}, publisher = {TU Delft Open}, note = {In desalination by poulticing, predicting the amount of desalination and salt concentration in the poultice and base material is important. The transport of a solution in a porous material is determined by its driving force and permeability, both of which may differ between pure water and salt solutions. In particular, for materials with surface charges, the electric double layer formed on the material surface may affect both the driving force and permeability of the salt solution.We aim to develop a prediction method to calculate the amount of water and salt transport in porous materials during desalination. As the first step of this study, to examine the saline water transport phenomenon in porous materials, we conducted the saline water permeability and absorption tests of NaCl aqueous solutions in tuff.The results showed that the saline water permeability coefficient in the tuff can be adequately estimated by considering saline water density and viscosity based on the Hagen–Poiseuille law, when the salt concentration is a bove 0.61 molal. Furthermore, this law does not apply to the relation ship between the permeability for pure and saline water; moreover, it may be necessary to consider the effect of the salt concentration dependence of the electric double layer structure.}, key = {SWBSS 2021}, url = {https://predict.kikirpa.be/wp-content/uploads/2021/12/SWBSS2021_Procedings.pdf }, author = {Takatori, N. and Sakai, K. and Ogura, D. and Wakiya, S. and Abuku, M. } } |
| DOI | |
| Link | |
| Bemerkungen | in: Lubelli, B.; Kamat, A.A.; Quist, W.J. (Hrsg.): Proceedings of SWBSS 2021 – Fifth International Conference on Salt Weathering of Buildings and Stone Sculptures,TU Delft Open 163-171 |
Eintrag in der Bibliographie
| [Takatori.etal:2021] | Takatori, N.; Sakai, K.; Ogura, D.; Wakiya, S.; Abuku, M. (2021): Measurement of sodium chloride solution permeability and sorptivity . In: Lubelli, B.; Kamat, A.A.; Quist, W.J. (Hrsg.): Proceedings of SWBSS 2021 – Fifth International Conference on Salt Weathering of Buildings and Stone Sculptures,TU Delft Open 163-171, Webadresse. |  |
Keywords[Bearbeiten]
Porous material, sodium chloride solution, hydraulic conductivity, falling-head method, saline water absorption test
Abstract[Bearbeiten]
In desalination by poulticing, predicting the amount of desalination and salt concentration in the poultice and base material is important. The transport of a solution in a porous material is determined by its driving force and permeability, both of which may differ between pure water and salt solutions. In particular, for materials with surface charges, the electric double layer formed on the material surface may affect both the driving force and permeability of the salt solution.We aim to develop a prediction method to calculate the amount of water and salt transport in porous materials during desalination. As the first step of this study, to examine the saline water transport phenomenon in porous materials, we conducted the saline water permeability and absorption tests of NaCl aqueous solutions in tuff.The results showed that the saline water permeability coefficient in the tuff can be adequately estimated by considering saline water density and viscosity based on the Hagen–Poiseuille law, when the salt concentration is a bove 0.61 molal. Furthermore, this law does not apply to the relation ship between the permeability for pure and saline water; moreover, it may be necessary to consider the effect of the salt concentration dependence of the electric double layer structure.