The Institute of Resource Ecology performs research to protect humans and the environment from hazards caused by pollutants resulting from technical processes that produce energy and raw materials. The Department of Reactive Transport is looking for a PhD Student (f/m/d) Tomographic analysis of flow fields in pore networks affected by clogging. The work is being carried out as part of a joint project involving several universities and research institutions, Project consortium: Long-term behaviour of coupled reactive transport processes in deep hydrothermal reservoirs (LangRes).