High feedstock utilization photochemical process for .sup.196 Hg

Details High feedstock utilization photochemical process for .sup.196 Hg High feedstock utilization photochemical process for .sup.196 Hg

1987-10-15

1991-10-29

Hunt, Brooks H.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

2041572, 20415721, 250423P, B01D 500

Patent

active

050613537

ABSTRACT:
A photochemical process for .sup.196 Hg enrichment is provided. The process of the invention includes entraining mercury including .sup.196 Hg isotope in a carrier medium comprising argon and HCl; and exposing the entrained mercury including .sup.196 Hg isotope in the carrier medium to 253.7 nm light to form a quantity of .sup.196 Hg.sub.2 Cl.sub.2. The present process results in an improved feedstock utilization.

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A. C. G. Mitchell et al., Resonance Radiation and Excited Atoms, chapter 4, "Collision Processes Involving Excited Atoms", MacMillen, N.Y. 1934, pp. 154-195.
C. R. Webster et al., "Photochemical Isotope Separation of Hg-196 by Reaction With Hydrogen Halides", J. Phys. Chem., 85, 1302 (1981).
M. Grossman et al., "Photochemical Enrichment of Hg-196", Thirteenth Int'l Quantum Electronic Conference (Jun. 1984).
H. E. Gunning et al., Adv. Photochemistry; 1, 248 (1963).
J. R. McDowell et al., "Photochemical Separation of Mercury Isotopes", Can. J. Chem., vol. 37, p. 1432 (1954).

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