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Deep geological repositories (DGRs) evolve through coupled thermal, hydraulic, mechanical, chemical, and biological processes. Within this multi-barrier system, microorganisms naturally present in host rocks — as well as those introduced during construction and operation — may induce corrosion, gas production, and mineral transformations, all of which are relevant for predicting the long-term performance and stability […]

Abstract Low and intermediate level waste (LL&ILW) represent the main part of the volume of radioactive waste which are produced by nuclear industry. This waste contains a large variety of materials such as paper, cardboard, plastics and metals with. The waste can also vary strongly in size and weight. Therefore, there is a need of […]

This talk will examine the role of microorganisms in deep geological repositories (DGRs) for nuclear waste. We will explore who these microbes are, how they survive in extreme environments, and how their activity affects the safety of the repository over thousands of years. Microbial Diversity: the key groups of bacteria, fungi, and archaea found in […]