Kinetic approach for modeling salt precipitation in porous-media

Contents

1 Introduction
1.1 Motivation
1.2 Description of the process
1.3 Structure of study

2 Fundamentals
2.1 Porous medium:
2.1.1 Flow in the porous medium:
2.1.2 Multiphase flow in the porous medium:
2.2 Multiphase fluid velocity:
2.2.1 Hydrodynamic dispersion:
2.3 General mass balance for multiphase flow systems:
2.4 Chemistry
2.4.1 Description of Brine:
2.4.2 Important chemical definitions:

3 Model Concept
3.1 Main aspects:
3.2 Thermodynamic equilibrium
3.3 Mass transfer between the phases:
3.3.1 Fluid - Fluid Phases:
3.3.2 Fluid Phase - Solid Phase:
3.4 Transport Equations
3.4.1 Energy balance equation
3.4.2 Mass balance equations
3.4.3 Mass balance for the precipitated NaCl
3.4.4 Source, Sink terms for the model
3.5 Supplementary equations
3.6 Constitutive relationships
3.7 Primary variables
3.8 Numerical Discretization
3.8.1 Spatial Discretization:
3.8.2 Time Discretization:
3.8.3 Solution of the discretized equations:

4 Results
4.1 Scenario setup:
4.2 Scenario 1: Decoupled model - Isothermal case
4.2.1 Results and Discussions:
4.3 Scenario 2: Decoupled model - Non-isothermal case
4.3.1 Scenario setup
4.3.2 Results and Discussions:
4.4 Scenario 3: Comparison of the kinetic approach with the equilibrium approach

5 Summary
5.1 Summary
5.2 Future work

A Values of the parameters used for simulation
A.1 Brooks and Corey parameters
A.2 Debye Huckel constant values
A.2.1 Debye Huckel constant values
A.2.2 Truesdell and Jones constants