Method of separating isotopes from a gas mixture

Details Method of separating isotopes from a gas mixture Method of separating isotopes from a gas mixture

B - Operations, Transporting

01

D

204/91.82

B01D 59/00 (2006.01) B01D 59/34 (2006.01)

Patent

CA 1132942

U. S. A. ABSTRACT OF THE DISCLOSURE The invention relates to a method of separating isotopes from a gas mixture, the isotopes being separated by the combined effect of photon irradiation by laser light followed by Penning ionization of the atoms, ions or molecules selectively exalted by the laser light. According to the invention a gas mixture is irradiated with laser light made up of photons having an energy which resonates with an excitation level of an isotope of the gas mixture. Metastable atoms or molecules are simultaneously introduced into the mixture and have an excitation energy which is less than the ionisation energy of the constituents of the mixture and greater than the energy gap between the ionization energy of the isotope excited by the laser light and the energy of the excitation level of the same isotope. -1-

285720

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