Amphos 21 uses supercomputers to map the future

May 12, 2022

Barcelona-based RSK company Amphos 21 is set to take part in one of the most extensive groundwater chemistry modelling projects that has ever been conducted.

Working with Posiva Oy, the company in charge of nuclear final disposal solutions in Finland and a world leader in the construction of a deep underground repository for nuclear spent fuel, the Amphos 21 team was selected for its expertise in the processing of massive groundwater data flows and numerical techniques.

Combining the tools with an extensive understanding of numerical modelling, Amphos 21 will work with one of the most efficient supercomputers in the world to analyse changes in the groundwater chemistry in the bedrock of Olkiluoto, Finland – Posiva Oy’s chosen site for the final disposal of nuclear waste.

The project, which involves probably the most demanding modelling of groundwater chemistry anywhere in the world, will simulate the hydrogeological and hydrochemical evolution of groundwater at Olkiluoto over thousands of years hence.

The ultimate goal of the project is to verify the balancing of long-term safety with economic sustainability, which will open the way to industrial final disposal far into the future. The results of these high-performance computing simulations will be crucial for the final safety and performance assessment of the pioneering underground facility.

Bedrock and groundwater modelling has been carried out on the site in Olkiluoto for the final disposal of nuclear waste for four decades already, but advancements in information technology now provide opportunities for further studies, such as even more precise modelling, which will make an analysis of the evolution of groundwater chemistry as a result of geological and climatic changes possible.

The Amphos 21 team is looking forward to getting started on the three-year project, with the modelling phase due to start next year.

Jorge Molinero, Deputy Managing Director of Amphos 21, said: “We are proud of the huge confidence in us shown by Posiva Oy, the world-leading organisation in nuclear waste management.

“Such an ambitious scientific project can only be approached with a high performing and excellent scientific team,” he added.

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