2024
DOI: 10.3389/fmicb.2024.1359677
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Microbial hydrogen sinks in the sand-bentonite backfill material for the deep geological disposal of radioactive waste

Camille Rolland,
Niels Burzan,
Olivier X. Leupin
et al.

Abstract: The activity of subsurface microorganisms can be harnessed for engineering projects. For instance, the Swiss radioactive waste repository design can take advantage of indigenous microorganisms to tackle the issue of a hydrogen gas (H2) phase pressure build-up. After repository closure, it is expected that anoxic steel corrosion of waste canisters will lead to an H2 accumulation. This occurrence should be avoided to preclude damage to the structural integrity of the host rock. In the Swiss design, the repositor… Show more

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