Water chemistry and particle formation processes in a Supercritical Water Cooled Nuclear Reactor system

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The supercritical water cooled nuclear reactor (SCWR) is an innovative candidate to meet the future needs of the energy market. The purpose of the project is to investigate the aqueous chemistry behind corrosion and corrosion prevention under near-critical and supercritical water conditions, as well as the particle formation processes of salts and corrosion products in supercritical water. The key technical objective of the work is to minimize corrosion rates in a CANDU (CANada Deuterium Uranium) SCWR pressure tube, as well as minimize corrosion product deposition and pitting on out-core surfaces (piping, turbine blades). This research should help develop an appropriate chemistry control strategy under oxygenated supercritical conditions in a CANDU SCWR and reduce the exploitation costs for power equipment, both for the SCWR pressure tube and for non-nuclear components, such as turbine blades.