<OpenGeoSysProject>
  <meshes>
    <mesh>domain.vtu</mesh>
    <mesh>physical_group_Left.vtu</mesh>
    <mesh>physical_group_Right.vtu</mesh>
    <mesh>physical_group_Reactive_domain.vtu</mesh>
  </meshes>
  <processes>
    <process>
      <name>hc</name>
      <type>ComponentTransport</type>
      <integration_order>2</integration_order>
      <coupling_scheme>staggered</coupling_scheme>
      <process_variables>
        <concentration>S(6)</concentration>
        <concentration>C</concentration>
        <concentration>Ca</concentration>
        <concentration>Na</concentration>
        <concentration>Cl</concentration>
        <concentration>H</concentration>
        <pressure>pressure</pressure>
      </process_variables>
      <specific_body_force>0 0</specific_body_force>
      <chemically_induced_porosity_change>true</chemically_induced_porosity_change>
      <secondary_variables />
    </process>
  </processes>
  <media>
    <medium id="0">
      <phases>
        <phase>
          <type>AqueousLiquid</type>
          <components>
            <component>
              <name>S(6)</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>C</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Ca</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Na</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Cl</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>H</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
          </components>
          <properties>
            <property>
              <name>density</name>
              <type>Constant</type>
              <value>1e3</value>
            </property>
            <property>
              <name>viscosity</name>
              <type>Constant</type>
              <value>1e-3</value>
            </property>
          </properties>
        </phase>
        <phase>
          <type>Solid</type>
          <components>
            <component>
              <name>Calcite</name>
              <properties>
                <property>
                  <name>molar_volume</name>
                  <type>Constant</type>
                  <value>3.693e-05</value>
                </property>
                <property>
                  <name>volume_fraction</name>
                  <type>Constant</type>
                  <value>.0</value>
                </property>
              </properties>
            </component>
          </components>
        </phase>
      </phases>
      <properties>
        <property>
          <name>permeability</name>
          <type>Parameter</type>
          <parameter_name>kappa_upstream</parameter_name>
        </property>
        <property>
          <name>porosity</name>
          <type>Parameter</type>
          <parameter_name>porosity_upstream</parameter_name>
        </property>
        <property>
          <name>longitudinal_dispersivity</name>
          <type>Constant</type>
          <value>1e-4</value>
        </property>
        <property>
          <name>transversal_dispersivity</name>
          <type>Constant</type>
          <value>1e-4</value>
        </property>
      </properties>
    </medium>
    <medium id="1">
      <phases>
        <phase>
          <type>AqueousLiquid</type>
          <components>
            <component>
              <name>S(6)</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>C</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Ca</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Na</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Cl</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>H</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
          </components>
          <properties>
            <property>
              <name>density</name>
              <type>Constant</type>
              <value>1e3</value>
            </property>
            <property>
              <name>viscosity</name>
              <type>Constant</type>
              <value>1e-3</value>
            </property>
          </properties>
        </phase>
        <phase>
          <type>Solid</type>
          <components>
            <component>
              <name>Calcite</name>
              <properties>
                <property>
                  <name>molar_volume</name>
                  <type>Constant</type>
                  <value>3.693e-05</value>
                </property>
                <property>
                  <name>volume_fraction</name>
                  <type>Constant</type>
                  <value>0.2185</value>
                </property>
              </properties>
            </component>
          </components>
        </phase>
      </phases>
      <properties>
        <property>
          <name>permeability</name>
          <type>KozenyCarman</type>
          <initial_permeability>kappa_reactive_init</initial_permeability>
          <initial_porosity>porosity_reactive</initial_porosity>
        </property>
        <property>
          <name>porosity</name>
          <type>Parameter</type>
          <parameter_name>porosity_reactive</parameter_name>
        </property>
        <property>
          <name>longitudinal_dispersivity</name>
          <type>Constant</type>
          <value>1e-4</value>
        </property>
        <property>
          <name>transversal_dispersivity</name>
          <type>Constant</type>
          <value>1e-4</value>
        </property>
      </properties>
    </medium>
    <medium id="2">
      <phases>
        <phase>
          <type>AqueousLiquid</type>
          <components>
            <component>
              <name>S(6)</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>C</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Ca</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Na</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>Cl</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
            <component>
              <name>H</name>
              <properties>
                <property>
                  <name>pore_diffusion</name>
                  <type>Constant</type>
                  <value>1.0e-9</value>
                </property>
                <property>
                  <name>retardation_factor</name>
                  <type>Constant</type>
                  <value>1</value>
                </property>
                <property>
                  <name>decay_rate</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
          </components>
          <properties>
            <property>
              <name>density</name>
              <type>Constant</type>
              <value>1e3</value>
            </property>
            <property>
              <name>viscosity</name>
              <type>Constant</type>
              <value>1e-3</value>
            </property>
          </properties>
        </phase>
        <phase>
          <type>Solid</type>
          <components>
            <component>
              <name>Calcite</name>
              <properties>
                <property>
                  <name>molar_volume</name>
                  <type>Constant</type>
                  <value>3.693e-05</value>
                </property>
                <property>
                  <name>volume_fraction</name>
                  <type>Constant</type>
                  <value>0</value>
                </property>
              </properties>
            </component>
          </components>
        </phase>
      </phases>
      <properties>
        <property>
          <name>permeability</name>
          <type>Parameter</type>
          <parameter_name>kappa_downstream</parameter_name>
        </property>
        <property>
          <name>porosity</name>
          <type>Parameter</type>
          <parameter_name>porosity_downstream</parameter_name>
        </property>
        <property>
          <name>longitudinal_dispersivity</name>
          <type>Constant</type>
          <value>1e-4</value>
        </property>
        <property>
          <name>transversal_dispersivity</name>
          <type>Constant</type>
          <value>1e-4</value>
        </property>
      </properties>
    </medium>
  </media>
  <time_loop>
    <global_process_coupling>
      <max_iter>100</max_iter>
      <convergence_criteria>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-6</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-6</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-6</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-6</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-6</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-6</reltol>
        </convergence_criterion>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-6</reltol>
        </convergence_criterion>
      </convergence_criteria>
    </global_process_coupling>
    <processes>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-6</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>IterationNumberBasedTimeStepping</type>
          <t_initial>0</t_initial>
          <t_end>1440000</t_end>
          <initial_dt>120</initial_dt>
          <minimum_dt>120</minimum_dt>
          <maximum_dt>120</maximum_dt>
          <number_iterations>1 2 5 10 20</number_iterations>
          <multiplier>1.6 1.4 1.0 0.7 0.5</multiplier>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-10</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>IterationNumberBasedTimeStepping</type>
          <t_initial>0</t_initial>
          <t_end>1440000</t_end>
          <initial_dt>120</initial_dt>
          <minimum_dt>120</minimum_dt>
          <maximum_dt>120</maximum_dt>
          <number_iterations>1 2 5 10 20</number_iterations>
          <multiplier>1.6 1.4 1.0 0.7 0.5</multiplier>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-10</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>IterationNumberBasedTimeStepping</type>
          <t_initial>0</t_initial>
          <t_end>1440000</t_end>
          <initial_dt>120</initial_dt>
          <minimum_dt>120</minimum_dt>
          <maximum_dt>120</maximum_dt>
          <number_iterations>1 2 5 10 20</number_iterations>
          <multiplier>1.6 1.4 1.0 0.7 0.5</multiplier>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-10</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>IterationNumberBasedTimeStepping</type>
          <t_initial>0</t_initial>
          <t_end>1440000</t_end>
          <initial_dt>120</initial_dt>
          <minimum_dt>120</minimum_dt>
          <maximum_dt>120</maximum_dt>
          <number_iterations>1 2 5 10 20</number_iterations>
          <multiplier>1.6 1.4 1.0 0.7 0.5</multiplier>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-10</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>IterationNumberBasedTimeStepping</type>
          <t_initial>0</t_initial>
          <t_end>1440000</t_end>
          <initial_dt>120</initial_dt>
          <minimum_dt>120</minimum_dt>
          <maximum_dt>120</maximum_dt>
          <number_iterations>1 2 5 10 20</number_iterations>
          <multiplier>1.6 1.4 1.0 0.7 0.5</multiplier>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-10</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>IterationNumberBasedTimeStepping</type>
          <t_initial>0</t_initial>
          <t_end>1440000</t_end>
          <initial_dt>120</initial_dt>
          <minimum_dt>120</minimum_dt>
          <maximum_dt>120</maximum_dt>
          <number_iterations>1 2 5 10 20</number_iterations>
          <multiplier>1.6 1.4 1.0 0.7 0.5</multiplier>
        </time_stepping>
      </process>
      <process ref="hc">
        <nonlinear_solver>basic_picard</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <reltol>1e-10</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>IterationNumberBasedTimeStepping</type>
          <t_initial>0</t_initial>
          <t_end>1440000</t_end>
          <initial_dt>120</initial_dt>
          <minimum_dt>120</minimum_dt>
          <maximum_dt>120</maximum_dt>
          <number_iterations>1 2 5 10 20</number_iterations>
          <multiplier>1.6 1.4 1.0 0.7 0.5</multiplier>
        </time_stepping>
      </process>
    </processes>
    <output>
      <type>VTK</type>
      <prefix>hc_porosity_change</prefix>
      <timesteps>
        <pair>
          <repeat>1</repeat>
          <each_steps>1</each_steps>
        </pair>
      </timesteps>
      <variables />
    </output>
  </time_loop>
  <chemical_system chemical_solver="Phreeqc">
    <mesh>domain</mesh>
    <linear_solver>general_linear_solver</linear_solver>
    <database>llnl.dat</database>
    <solution>
      <temperature>25</temperature>
      <pressure>1</pressure>
      <pe>4</pe>
      <components>
        <component>S(6)</component>
        <component>C</component>
        <component>Ca</component>
        <component>Na</component>
        <component>Cl</component>
      </components>
    </solution>
    <kinetic_reactants>
      <kinetic_reactant>
        <name>Calcite</name>
      </kinetic_reactant>
    </kinetic_reactants>
    <rates>
      <rate>
        <kinetic_reactant>Calcite</kinetic_reactant>
        <expression>
          <statement>if (M <= 0) then goto 25</statement>
          <statement>R = 8.314472</statement>
          <statement>deltaT = 1/TK - 1/298.15</statement>
          <statement>logK25 = -0.30</statement>
          <statement>Ea = 14400</statement>
          <statement>ny = 1.0</statement>
          <statement>mech_a = (10^logK25) * ACT("H+")^ny * EXP(- Ea / R * deltaT)</statement>
          <statement>logK25 = -5.81</statement>
          <statement>Ea = 23500</statement>
          <statement>mech_b = (10^logK25) * EXP(- Ea / R * deltaT)</statement>
          <statement>logK25 = -3.48</statement>
          <statement>Ea = 35400</statement>
          <statement>ny = 1.0</statement>
          <statement>mech_c = (10^logK25) * SR("CO2(g)")^ny * EXP(- Ea / R * deltaT)</statement>
          <statement>K_temp = mech_a + mech_b + mech_c</statement>
          <statement>teta = 1</statement>
          <statement>eta = 1</statement>
          <statement>molar_volume = 3.692e-05</statement>
          <statement>bulk_volume = molar_volume * PARM(1)</statement>
          <statement>specific_surface_area = 20</statement>
          <statement>surface_area = specific_surface_area * bulk_volume</statement>
          <statement>rate = surface_area * K_temp * (1 - SR("Calcite")^teta)^eta</statement>
          <statement>if rate < 0 then rate = 0</statement>
          <statement>moles = rate * time</statement>
          <statement>save moles</statement>
        </expression>
      </rate>
    </rates>
    <knobs>
      <max_iter>100</max_iter>
      <relative_convergence_tolerance>1e-12</relative_convergence_tolerance>
      <tolerance>1e-15</tolerance>
      <step_size>100</step_size>
      <scaling>0</scaling>
    </knobs>
  </chemical_system>
  <parameters>
    <parameter>
      <name>porosity_upstream</name>
      <type>Constant</type>
      <value>0.4277</value>
    </parameter>
    <parameter>
      <name>porosity_reactive</name>
      <type>Constant</type>
      <value>0.3255</value>
    </parameter>
    <parameter>
      <name>porosity_downstream</name>
      <type>Constant</type>
      <value>0.4685</value>
    </parameter>
    <parameter>
      <name>p_initial</name>
      <type>Constant</type>
      <value>101325</value>
    </parameter>
    <parameter>
      <name>p_outlet</name>
      <type>Constant</type>
      <value>101325</value>
    </parameter>
    <parameter>
      <name>q_inlet</name>
      <type>Constant</type>
      <value>2.16948e-3</value>
    </parameter>
    <parameter>
      <name>S6_initial</name>
      <type>Constant</type>
      <value>1e-8</value>
    </parameter>
    <parameter>
      <name>S6_inlet</name>
      <type>Constant</type>
      <value>5e-3</value>
    </parameter>
    <parameter>
      <name>C_initial</name>
      <type>MeshNode</type>
      <field_name>C</field_name>
    </parameter>
    <parameter>
      <name>C_inlet</name>
      <type>Constant</type>
      <value>1.6e-5</value>
    </parameter>
    <parameter>
      <name>Ca_initial</name>
      <type>MeshNode</type>
      <field_name>Ca</field_name>
    </parameter>
    <parameter>
      <name>Ca_inlet</name>
      <type>Constant</type>
      <value>1e-8</value>
    </parameter>
    <parameter>
      <name>NaCl_initial</name>
      <type>Constant</type>
      <value>3e-8</value>
    </parameter>
    <parameter>
      <name>NaCl_inlet</name>
      <type>Constant</type>
      <value>3e-8</value>
    </parameter>
    <parameter>
      <name>H_initial</name>
      <type>MeshNode</type>
      <field_name>H</field_name>
    </parameter>
    <parameter>
      <name>H_inlet</name>
      <type>Constant</type>
      <value>2.461e-6</value>
    </parameter>
  </parameters>
  <process_variables>
    <process_variable>
      <name>pressure</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>p_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>physical_group_Left</mesh>
          <type>Neumann</type>
          <parameter>q_inlet</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_Right</mesh>
          <type>Dirichlet</type>
          <parameter>p_outlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>S(6)</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>S6_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>physical_group_Left</mesh>
          <type>Dirichlet</type>
          <parameter>S6_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>C</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>C_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>physical_group_Left</mesh>
          <type>Dirichlet</type>
          <parameter>C_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>Ca</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>Ca_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>physical_group_Left</mesh>
          <type>Dirichlet</type>
          <parameter>Ca_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>Na</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>NaCl_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>physical_group_Left</mesh>
          <type>Dirichlet</type>
          <parameter>NaCl_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>Cl</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>NaCl_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>physical_group_Left</mesh>
          <type>Dirichlet</type>
          <parameter>NaCl_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>H</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>H_initial</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>physical_group_Left</mesh>
          <type>Dirichlet</type>
          <parameter>H_inlet</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
  </process_variables>
  <nonlinear_solvers>
    <nonlinear_solver>
      <name>basic_picard</name>
      <type>Picard</type>
      <max_iter>100</max_iter>
      <linear_solver>general_linear_solver</linear_solver>
    </nonlinear_solver>
  </nonlinear_solvers>
  <linear_solvers>
    <linear_solver>
      <name>general_linear_solver</name>
      <eigen>
        <solver_type>BiCGSTAB</solver_type>
        <precon_type>ILUT</precon_type>
        <max_iteration_step>1000</max_iteration_step>
        <error_tolerance>1e-14</error_tolerance>
      </eigen>
      <petsc>
        <prefix>hc</prefix>
        <parameters>-hc_ksp_type bcgs -hc_pc_type bjacobi -hc_ksp_rtol 1e-14 -hc_ksp_max_it 20000</parameters>
      </petsc>
    </linear_solver>
  </linear_solvers>
</OpenGeoSysProject>