diff --git a/web/content/docs/benchmarks/reactive-transport/kineticreactant_allascomponents/KineticReactant2.gif b/web/content/docs/benchmarks/reactive-transport/kineticreactant_allascomponents/KineticReactant2.gif
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diff --git a/web/content/docs/benchmarks/reactive-transport/kineticreactant_allascomponents/KineticReactant2.pandoc b/web/content/docs/benchmarks/reactive-transport/kineticreactant_allascomponents/KineticReactant2.pandoc
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++++
+author = "Johannes Boog"
+weight = 143
+project = "Parabolic/ReactiveTransport/KineticReactant_AllAsComponents/"
+date = "2010-06-25T14:41:09+01:00"
+title = "Solute transport including kinetic reaction"
+
+[menu]
+ [menu.benchmarks]
+ parent = "Reactive transport"
+
++++
+
+{{< data-link >}}
+
+
+
+
+## Overview
+
+This scenario describes the transport of two solutes (Snythetica and Syntheticb) through a saturated media.
+Both solutes react to Productd according to $\text{Productd}=\text{Synthetica}+0.5~\text{Syntheticb}$.
+The speed of the reaction is described with a first--order relationship $\frac{dc}{dt}=U(\frac{c_{\text{Synthetica}}}{K_m+c_{\text{Syntheticb}}})$.
+The coupling of OGS-6 and IPhreeqc used for simulation requires to simulate the transport of H^+^--ions, additionally.
+This is required to adjust the compulsory charge balance computation executed by Phreeqc.
+The solution by OGS-6--IPhreeqc will be compared to the solution by a coupling of OGS-5--IPhreeqc.
+
+
+## Problem Description
+
+**1d scenario:**
+The 1d--model domain is 0.5 m long and discretized into 200 line elements.
+The domain is saturated at start--up ($p(t=0)=$ 1.0e-5 Pa).
+A constant pressure is defined at the left side boundary ($g_{D,\text{upstream}}^p$) and a Neumann BC for the water mass out-flux at the right side ($g_{N,\text{downstream}}^p$).
+Both solutes, Synthetica and Syntheticb are present at simulation start--up at concentrations of $c_{\text{Synthetica}}(t=0)=c_{\text{Syntheticb}}(t=0)= 0.5$ mol kg^-1^~water~, the influent concentration is 0.5 mol kg^-1^~water~ as well.
+Productd is not present at start--up ($c_{\text{Productd}}(t=0)=0$); neither in the influent.
+The initial concentration of $\text{H}^+$--ions is 1.0e-7 mol kg^-1^~water~; the concentration at the influent point is the same.
+Respective material properties, initial and boundary conditions are listed in the tables below.
+
+**2d scenario:**
+The 2d--scenario only differs in the domain geometry and assignement of the boundary conditions.
+The horizontal domain is 0.5 m in x and 0.5 m in y direction, and, discretized into 10374 quadratic elemtents with an edge size of 0.0025 m.
+
+
+
+-----------------------------------------
+
+|Parameter | Description | Value | Unit |
+|:-------- | :---------- | :---- | :--- |
+| $\phi$ | Porosity | 1.0 | |
+| $\kappa$ | Permeability | 1.157e-12 | m^2^ |
+| $S$ | Storage | 0.0 | |
+| $a_L$ | long. Dispersion length | 0.0 | m |
+| $a_T$ | transv. Dispersion length | 0.0 | m |
+| $\rho_w$ | Fluid density | 1.0e+3 | kg m^-3^ |
+| $\mu_w$ | Fluid viscosity | 1.0e-3 | Pa s |
+| $D_{\text{H}^+}$ | Diffusion coef. for $\text{H}^+$ | 1.0e-7 | m^2^ s |
+| $D_{solutes}$ | Diffusion coef. for Synthetica, Syntheticb and Productd | 1.0e-12 | m^2^ s |
+| $U$ | Reaction speed constant | 1.0e-3 | h^-1^ |
+| $K_m$ | Half--saturation constant | 10 | mol kg^-1^~water~ |
+
+Table: Media, material and component properties
+
+
+-----------------------------------------
+
+| Parameter | Description | Value | Unit |
+|:--------- | :---------- | :---- | :--- |
+| $p(t=0)$ | Initial pressure | 1.0e+5 | Pa |
+| $g_{N,downstream}^p$ | Water outflow mass flux | -1.685e-02 | mol kg^-1^~water~ |
+| $g_{D,upstream}^p$ | Pressure at inlet | 1.0e+5 | Pa |
+| $c_{Synthetica}(t=0)$ | Initial concentration of Synthetica | 0.5 | mol kg^-1^~water~ |
+| $c_{Syntheticb}(t=0)$ | Initial concentration of Syntheticb | 0.5 | mol kg^-1^~water~ |
+| $c_{Productd}(t=0)$ | Initial concentration of Productd | 0 | mol kg^-1^~water~ |
+| $c_{\text{H}^+}(t=0)$ | Initial concentration of $\text{H}^+$ | 1.0e-7 | mol kg^-1^~water~ |
+| $g_{D,upstream}^{Synthetica_c}$ | Concentration of Synthetica | 0.5 | mol kg^-1^~water~ |
+| $g_{D,upstream}^{Syntheticb_c}$ | Concentration of Syntheticb | 0.5 | mol kg^-1^~water~ |
+| $g_{D,upstream}^{Productd}$ | Concentration of Productd | 0.0 | mol kg^-1^~water~ |
+| $g_{D,upstream}^{\text{H}^+}$ | Concentration of $\text{H}^+$ | 1.0e-7 | mol kg^-1^~water~ |
+
+Table: Initial and boundary conditions
+
+
+
+## Results
+
+The kinetic reaction results in the expected decline of the concentration of Synthetica and Syntheticb, which is super-positioned by the influx of these two educts through the left side.
+By contrast, the concentration of Productd increases in the domain.
+Over time, opposed concentration fronts for educts and Productd evolve.
+Both, OGS-6 and OGS-5 simulations yield the same results in the 1d as well as 2d scenario.
+For instance, the difference between the OGS-6 and the OGS-5 computation for the concentration of Productd expressed as root mean squared error is 1.76e-7 mol kg^-1^~water~ (over all time steps and mesh nodes, 1d scenario); the corresponding median absolute error is 1.0e-7 mol kg^-1^~water~.
+This verifies the implementation of OGS-6--IPhreeqc.
+{{< img src="../KineticReactant2.gif" title="Simulated component concentrations over domain length for different time steps (1d scenario) .">}}
diff --git a/web/content/docs/benchmarks/reactive-transport/kineticreactant_allascomponents/KineticReactant2_domain.png b/web/content/docs/benchmarks/reactive-transport/kineticreactant_allascomponents/KineticReactant2_domain.png
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