Abstract

Almost every facet of chemical engineering is impacted when processing material with radioactive and fissile properties. Different containment concepts, passive or secure cells and canyons, have evolved in Europe and the USA, respectively, and have profoundly impacted equipment and processing concepts. The special features associated with filtration, ion exchange and solvent extraction processes and equipment are aimed at reducing maintenance requirements, simplifying operations and reducing plant footprint and height. Equipment materials considerations include corrosion resistance and special measures required to control criticality and radiation damage. Process intensification and transportable equipment and processes are the two important trends associated with chemical engineering for advanced aqueous radioactive material separations.

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