Decommissioning Concepts Connecting the Past (Inventory) and the Future (Waste Routes)

Abstract

Knowing and considering the past by establishing proper inventories regarding the activities, physical conditions and chemical compositions of the materials and structures to be decommissioned is a key factor for successful decommissioning execution. This is not only based on the experience that Framatome has gained from several projects but also a recommendation given by World Nuclear Association’s (WNA) Methodological Guide for management of materials and waste from decommissioning.

The paper explains on the one hand the means to properly prepare such inventories like sampling, radiological measurements and characterization. On the other hand, understanding of the possible waste routes for the material generated during the decommissioning of different parts of nuclear installations is given, notwithstanding the accompanied uncertainties which may exist for the future.

So the “knowledge of the past and the future” will help to develop fit-for-purpose decommissioning concepts together with suitable waste management strategies.

In addition to Framatome’s decommissioning strategies there are various dedicated solutions supporting their implementation as well as respective technologies, e.g., for waste treatment. These technologies already applied or under development by Framatome cope for example with the challenges of uncertain waste routes..