Diffusers at the Georges Besse plant
To achieve a level of 3 to 5% of uranium-235, the gaseous uranium hexafluoride should go through a series of porous barriers constituting the "diffusion cascade." The cascade of the Georges Besse plant is made of a sequence of 1400 stages, each stage including a diffuser, a compressor and a heat exchanger
PHILIPPE LESAGE / COGEMA