Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
The Separation of Isotopes by Countercurrent Gaseous Exchange Column. I. Transport Equation and Over-All Separation
Kunihiko Kigoshi
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1953 Volume 26 Issue 6 Pages 288-293


The theoretical treatment of the countercurrent gaseous exchange method for the separation of isotopes isdeveloped here. The equation of transport is derived with the assumption that the equilibrium of the isotopic exchange reaction holds only in the sharply defined region in which temperature is higher than Tb. An appropriate approximation leads the transport equation to one which is formally similar to the transport equation of thermal diffusion column. The mechanism of isotope enrichment by countercurrent gaseous exchange method is discussed using the transport equation. The equilibrium separation factor is also derived from the transport equation.

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