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Article | REF: BN3596 V1

Uranium enrichment

Authors: Michel ALEXANDRE, Jean-Pierre QUAEGEBEUR

Publication date: January 10, 2009

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2. Gas diffusion

2.1 Physical principles

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2.1.1 Elemental separation factor

The gas diffusion separation process through a porous barrier is based on the phenomenon of isothermal molecular diffusion. In a closed enclosure in thermal equilibrium with its surroundings, the molecules in the UF 6 gas mixture all have the same average kinetic energy. Consequently, molecules containing the 235 U isotope have a higher average velocity than molecules...

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