B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
204/109, 204/91.
B01D 59/48 (2006.01) B01D 59/00 (2006.01) H01J 49/38 (2006.01)
Patent
CA 1045581
ABSTRACT OF THE DISCLOSURE This invention relates generally to the separation of isotopes from each other. Presently, the principal means for separating uranium isotopes on a commercial basis is the gaseous diffusion process. In order to increase the capacity of such diffusion plants a heavy capit?l investment is required which may be on the order of many hundred million dollars per year. The present invention provides methods and apparatuses for separating isotopes which are substantially less expensive than those of the prior art, yet producing a high yield and is applicable to many elements having more than one isotope. According to the invention, initially a neutral plasma is pre- pared including the element in question. The plasma may then be injected into a magnetic field or may be generated in the field where more energy is imparted to a selected isotope than to the other. Finally, the isotopes are separated from each other on the basis of their differential energies. The selected isotope may be given more energy than the other by stimulating it within the plasma at its resonant frequency which may be close to the cyclotron frequency, either by an electric field or by a magnetic field. In order to excite the other isotope, a different resonant frequency is required. The more energetic isotope may be separated by energy dependent chemical reactions. It may be collected by a positively biased probe or else the isotopes may be separated from each other by magnetic fields or in various other ways.
248690
Trw Inc.
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