A review and update of refining practice in Canada

This paper first reviews the history of the Port Hope uranium refinery of Eldorado Nuclear Limited. The current processes used for the production of UO3, UO2 and UF6 from yellow cake are then discussed. Recent process changes and developments in the areas of solvent extraction and UO3 production together with new processes for the production of ceramic UO2 and UF4, are described. Environmental and waste management problems, progress and solutions are next considered. Finally, some experience in siting a new UF6 refinery, with respect to Environmental Impact Statements and public hearings, conclude the paper. (author)