OUR APPROACH: UPGRADING OF TECHNICAL BARRIER
The proposed approach is based on the following assumptions:
- There is no ideal host rock!
Additionally, most countries will have difficulties to find even near-ideal site conditions on their territory.
- One retention barrier at minimum must keep the long-term integrity!
- Minimize the amount of metals in the repository!
For said reasons, the authors propose the use of pressure less sintered silicon carbide (SSiC) as a supplementary retention barrier.
The ultimate goal is a zero source term.
Our approach includes the following considerations: