Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1985-02-08
1987-04-07
Terapane, John F.
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
20415721, B01D 5934
Patent
active
046558900
ABSTRACT:
Multiple photon absorption from an intense beam of infrared laser light may be used to induce selective chemical reactions in molecular species which result in isotope separation or enrichment. The molecular species must have a sufficient density of vibrational states in its vibrational manifold that, is the presence of sufficiently intense infrared laser light tuned to selectively excite only those molecules containing a particular isotope, multiple photon absorption can occur. By this technique, for example, intense CO.sub.2 laser light may be used to highly enrich .sup.34 S in natural SF.sub.6 and .sup.11 B in natural BCl.sub.3.
REFERENCES:
patent: 3937956 (1976-02-01), Lyon
patent: 3944825 (1976-03-01), Levy et al.
patent: 3951768 (1976-04-01), Gurs
patent: 4049515 (1977-09-01), Robinson et al.
patent: 4082633 (1978-04-01), Eerkens
Aldridge, III Jack P.
Jensen Reed J.
Lyman John L.
Robinson C. Paul
Rockwood Stephen D.
Caress Virginia B.
Freund Samuel M.
Hightower Judson R.
Terapane John F.
The United States of America as represented by the United States
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