Chemical separation method for uranium isotopes

Details Chemical separation method for uranium isotopes Chemical separation method for uranium isotopes

1983-07-28

1986-01-28

Gron, Teddy S.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

423253, 20415721, B01D 5900

Patent

active

045670250

ABSTRACT:
A chemical process for isotopic enrichment of uranium involving the steps of exciting a chelated uranium compound (e.g. hydrated uranyl acetate complex in aqueous solution) to an excited electronic state wherein the excited state preferentially reacts at different rates by virtue of dissimilar nuclear magnetic moment contributions to the chemical kinetics of alternative excited state reaction pathways (e.g. return to ground state by intersystem crossing by electron-nucleus hyperfine coupling vs free radical formation and subsequent precipitation of the hydrated basic salt of uranyl acetate).

REFERENCES:
patent: 4199679 (1980-04-01), Ami-Rav
patent: 4351707 (1982-09-01), Turro
patent: 4362669 (1982-12-01), Kramer et al.
patent: 4389292 (1983-06-01), Phillips et al.
Podoplelov et al., "Use of a Magnetic Isotope Effect for Separating Heavy Isotopes as Exemplified by Tin" Chem. Abstracts, vol. 91, (1979), 10770u.
Ebert et al., "The Intercalation of Graphite by Uranium Hexafluoride" Chem. Abstracts, vol. 88, (1978) 112155c.
Maugh, "Minute Magnetic Moment of Many Isotopes . . . " Science vol. 206, (Oct. 19, 1979), p. 317.
Turro et al., "Magnetic Isotope and Magnetic Field Effects . . . " J.A.C.S. vol. 100, No. 23 (Nov. 1978), pp. 7432-7434.
Turro et al., "Magnetic and Micellar Effects . . . " JACS vol. 101 No. 24, (Nov. 1979), pp. 7435-7437.
Turro et al., "Magnetic Isotope Effect . . . " JACS vol. 102, No. 3, (Jan. 1980), pp. 1190-1192.

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