Research reactor decommissioning and radioactive waste management

Abstract

When the installation of a research reactor reaches the end of its safe and economical operational lifetime, it needs to be decommissioned. Various strategies may apply for the nuclear decommissioning, depending on the assessment of real danger and their related risk, as well as the analysis of clean up and waste management costs. The decommissioning take place soon after permanent shutdown, or perhaps a long time later. The longer waiting time permit the radiation levels of activated and contaminated materials to drop down. This is very important for clear process and the best methods to be applied in decommissioning such installations and sites, especially where any significant health and environmental risks are available. A well-organized, safe and effective waste management and costing is the key part of decommissioning in the nuclear industry.

In this thesis, I will review the information available on research reactor decommissioning and radioactive waste production through the operational activities as well as during decommissioning and dismantling of the connections. Moreover, a cost calculation procedure for decommissioning is also presented in this thesis.