Aroua Mannai and Safa Maiza are doctoral students at the Ecole Nationale d'Ingenieurs de Tunis and are both supervised by Dr. Emna Mejri. The research stay takes place within the framework of the DAAD-funded project "Environmental applications of evaporative salt precipitation in porous media". The project has been funded since 2019 and is part of the programme "German-Arab Transformation Partnerships".