Geodesic
Numerical modeling of the non-equilibrium sorption process
Ufa mathematical journal, Tome 8 (2016) no. 2, pp. 39-43

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Filtration in porous media of fluids and gases containing associated with them (dissolved, particulate) solid substances is accompanied by the diffusion of these substances and mass transfer between the liquid (gas) and solid phases. The most common types of mass transfer are sorption and desorption, ion exchange, dissolution and crystallization, mudding, sulfation and suffusion, waxing. We consider the system of equations modeling the process of non-equilibrium sorption. We formulate a difference approximation of the differential problem by the implicit scheme. The solution to the difference problem is constructed by the sweep method. Basing on the numerical results, we can conclude the following: as the relaxation time decreases, the solution to the with a decrease in the relaxation time of the non-equilibrium problem solution tends to the solution of the equilibrium problem as the time increases.
Keywords: system of equations of non-equilibrium sorption, difference approximation, sweep method, numerical experiments.
Mots-clés : implicit scheme 
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     title = {Numerical modeling of the non-equilibrium sorption process},
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     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2016_8_2_a3/}
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I. A. Kaliev; S. T. Mukhambetzhanov; G. S. Sabitova. Numerical modeling of the non-equilibrium sorption process. Ufa mathematical journal, Tome 8 (2016) no. 2, pp. 39-43. http://geodesic.mathdoc.fr/item/UFA_2016_8_2_a3/