diff --git a/Applications/ApplicationsLib/ProjectData.cpp b/Applications/ApplicationsLib/ProjectData.cpp
index 8e8d16614e7ba01a5f14ef03f64084349a5d72dd..785ef60b107a2874a70fc60eefc8a1c36185925d 100644
--- a/Applications/ApplicationsLib/ProjectData.cpp
+++ b/Applications/ApplicationsLib/ProjectData.cpp
@@ -343,7 +343,7 @@ ProjectData::ProjectData(BaseLib::ConfigTree const& project_config,
     //! \ogs_file_param{prj__processes}
     parseProcesses(project_config.getConfigSubtree("processes"),
                    project_directory, output_directory,
-                   chemical_solver_interface.get());
+                   std::move(chemical_solver_interface));
 
     //! \ogs_file_param{prj__linear_solvers}
     parseLinearSolvers(project_config.getConfigSubtree("linear_solvers"));
@@ -570,7 +570,7 @@ void ProjectData::parseProcesses(
     BaseLib::ConfigTree const& processes_config,
     std::string const& project_directory,
     std::string const& output_directory,
-    [[maybe_unused]] ChemistryLib::ChemicalSolverInterface* const
+    [[maybe_unused]] std::unique_ptr<ChemistryLib::ChemicalSolverInterface>&&
         chemical_solver_interface)
 {
     (void)project_directory;  // to avoid compilation warning
@@ -742,7 +742,7 @@ void ProjectData::parseProcesses(
                     name, *_mesh_vec[0], std::move(jacobian_assembler),
                     _process_variables, _parameters, integration_order,
                     process_config, _mesh_vec, _media,
-                    chemical_solver_interface);
+                    std::move(chemical_solver_interface));
         }
         else
 #endif
diff --git a/Applications/ApplicationsLib/ProjectData.h b/Applications/ApplicationsLib/ProjectData.h
index 6b02facc8ed2cbeb5af285080447321036df50a6..7f2ad85cd0fdcd45cc47bc94a98163421a185b3a 100644
--- a/Applications/ApplicationsLib/ProjectData.h
+++ b/Applications/ApplicationsLib/ProjectData.h
@@ -99,11 +99,11 @@ private:
     /// Parses the processes configuration and creates new processes for each
     /// process entry passing the corresponding subtree to the process
     /// constructor.
-    void parseProcesses(
-        BaseLib::ConfigTree const& processes_config,
-        std::string const& project_directory,
-        std::string const& output_directory,
-        ChemistryLib::ChemicalSolverInterface* chemical_solver_interface);
+    void parseProcesses(BaseLib::ConfigTree const& processes_config,
+                        std::string const& project_directory,
+                        std::string const& output_directory,
+                        std::unique_ptr<ChemistryLib::ChemicalSolverInterface>&&
+                            chemical_solver_interface);
 
     /// Parses the time loop configuration.
     void parseTimeLoop(BaseLib::ConfigTree const& config,
diff --git a/ProcessLib/ComponentTransport/ComponentTransportProcess.cpp b/ProcessLib/ComponentTransport/ComponentTransportProcess.cpp
index b371823600452d1bf7e7fd2420b3a3a79e11f119..89da836b97d02870d13115948a575bcc969c793e 100644
--- a/ProcessLib/ComponentTransport/ComponentTransportProcess.cpp
+++ b/ProcessLib/ComponentTransport/ComponentTransportProcess.cpp
@@ -31,12 +31,15 @@ ComponentTransportProcess::ComponentTransportProcess(
     ComponentTransportProcessData&& process_data,
     SecondaryVariableCollection&& secondary_variables,
     bool const use_monolithic_scheme,
-    std::unique_ptr<ProcessLib::SurfaceFluxData>&& surfaceflux)
+    std::unique_ptr<ProcessLib::SurfaceFluxData>&& surfaceflux,
+    std::unique_ptr<ChemistryLib::ChemicalSolverInterface>&&
+        chemical_solver_interface)
     : Process(std::move(name), mesh, std::move(jacobian_assembler), parameters,
               integration_order, std::move(process_variables),
               std::move(secondary_variables), use_monolithic_scheme),
       _process_data(std::move(process_data)),
-      _surfaceflux(std::move(surfaceflux))
+      _surfaceflux(std::move(surfaceflux)),
+      _chemical_solver_interface(std::move(chemical_solver_interface))
 {
 }
 
diff --git a/ProcessLib/ComponentTransport/ComponentTransportProcess.h b/ProcessLib/ComponentTransport/ComponentTransportProcess.h
index c13c5e8ab648c0aef8fee90378dc00a4dd7cd793..873eed1e1124d3b714ca12b623253c269c2abae4 100644
--- a/ProcessLib/ComponentTransport/ComponentTransportProcess.h
+++ b/ProcessLib/ComponentTransport/ComponentTransportProcess.h
@@ -15,6 +15,11 @@
 #include "NumLib/Extrapolation/LocalLinearLeastSquaresExtrapolator.h"
 #include "ProcessLib/Process.h"
 
+namespace ChemistryLib
+{
+class ChemicalSolverInterface;
+}
+
 namespace ProcessLib
 {
 struct SurfaceFluxData;
@@ -102,7 +107,9 @@ public:
         ComponentTransportProcessData&& process_data,
         SecondaryVariableCollection&& secondary_variables,
         bool const use_monolithic_scheme,
-        std::unique_ptr<ProcessLib::SurfaceFluxData>&& surfaceflux);
+        std::unique_ptr<ProcessLib::SurfaceFluxData>&& surfaceflux,
+        std::unique_ptr<ChemistryLib::ChemicalSolverInterface>&&
+            chemical_solver_interface);
 
     //! \name ODESystem interface
     //! @{
@@ -164,6 +171,9 @@ private:
         _local_assemblers;
 
     std::unique_ptr<ProcessLib::SurfaceFluxData> _surfaceflux;
+
+    std::unique_ptr<ChemistryLib::ChemicalSolverInterface>
+        _chemical_solver_interface;
 };
 
 }  // namespace ComponentTransport
diff --git a/ProcessLib/ComponentTransport/CreateComponentTransportProcess.cpp b/ProcessLib/ComponentTransport/CreateComponentTransportProcess.cpp
index a8964d06159d8e35b8d88c0f2f2038bd3682fe3c..d04aa117f4a9ee633592ccd62182023379deb288 100644
--- a/ProcessLib/ComponentTransport/CreateComponentTransportProcess.cpp
+++ b/ProcessLib/ComponentTransport/CreateComponentTransportProcess.cpp
@@ -84,7 +84,8 @@ std::unique_ptr<Process> createComponentTransportProcess(
     BaseLib::ConfigTree const& config,
     std::vector<std::unique_ptr<MeshLib::Mesh>> const& meshes,
     std::map<int, std::shared_ptr<MaterialPropertyLib::Medium>> const& media,
-    ChemistryLib::ChemicalSolverInterface* const chemical_solver_interface)
+    std::unique_ptr<ChemistryLib::ChemicalSolverInterface>&&
+        chemical_solver_interface)
 {
     //! \ogs_file_param{prj__processes__process__type}
     config.checkConfigParameter("type", "ComponentTransport");
@@ -225,7 +226,7 @@ std::unique_ptr<Process> createComponentTransportProcess(
     DBUG("Media properties verified.");
 
     auto chemical_process_data =
-        createChemicalProcessData(chemical_solver_interface);
+        createChemicalProcessData(chemical_solver_interface.get());
 
     ComponentTransportProcessData process_data{std::move(media_map),
                                                specific_body_force,
@@ -253,7 +254,8 @@ std::unique_ptr<Process> createComponentTransportProcess(
         std::move(name), mesh, std::move(jacobian_assembler), parameters,
         integration_order, std::move(process_variables),
         std::move(process_data), std::move(secondary_variables),
-        use_monolithic_scheme, std::move(surfaceflux));
+        use_monolithic_scheme, std::move(surfaceflux),
+        std::move(chemical_solver_interface));
 }
 
 }  // namespace ComponentTransport
diff --git a/ProcessLib/ComponentTransport/CreateComponentTransportProcess.h b/ProcessLib/ComponentTransport/CreateComponentTransportProcess.h
index 123f7ff8bc737f2a6ce3631b0b674d659c7ca23f..abc6364fd428de22e769bbff1565620e574be976 100644
--- a/ProcessLib/ComponentTransport/CreateComponentTransportProcess.h
+++ b/ProcessLib/ComponentTransport/CreateComponentTransportProcess.h
@@ -37,6 +37,7 @@ std::unique_ptr<Process> createComponentTransportProcess(
     BaseLib::ConfigTree const& config,
     std::vector<std::unique_ptr<MeshLib::Mesh>> const& meshes,
     std::map<int, std::shared_ptr<MaterialPropertyLib::Medium>> const& media,
-    ChemistryLib::ChemicalSolverInterface* chemical_solver_interface);
+    std::unique_ptr<ChemistryLib::ChemicalSolverInterface>&&
+        chemical_solver_interface);
 }  // namespace ComponentTransport
 }  // namespace ProcessLib