Compositions – Organic luminescent material containing compositions – Scintillating or lasing compositions
Patent
1975-10-20
1977-11-01
Padgett, Benjamin R.
Compositions
Organic luminescent material containing compositions
Scintillating or lasing compositions
204149, G21F 904
Patent
active
040564827
ABSTRACT:
A method is provided for preparing aqueous, radioactive waste solutions, from reprocessing plants for spent nuclear fuel and/or breeder materials and other nuclear plants, for noncontaminating solidification and/or removal of such solutions. The total quantity of the various inorganic and organic substances in the waste solution is reduced by the destruction of nitric acid, nitrates and nitrites and the formation of a waste gas mixture which is practically free of higher nitrous oxides. To bring this about, the radioactive waste solutions are subjected to an electrolysis current at such current densities at the anode and at the cathode that in one process step the substances of the group hydrazine, hydroxylamine, oxalic acid, oxalates, tartaric acid and tartrates are oxidized at the anode and the substances of the group nitric acid, nitrates and nitrites are reduced at the cathode.
REFERENCES:
patent: 2854315 (1958-09-01), Altes et al.
patent: 3856574 (1974-12-01), Amagi et al.
Barney, D. L., "Investigation of Electrolysis as a Method for the Treatment of Radioactive Nitric Acid Wastes," Report No. KAPL-1263, 1-4-55.
Stoller et al., Eds., Reactor Handbook vol. II, Fuel Reprocessing Interscience Publishers, Inc. N. Y., 1961, pp. 152-155.
NSA vol. 12, No. 7215, "Electrolytic Recycle Method for the Treatment of Radioactive Nitric Waste".
NSA vol. 13, No. 8219, "Proposal for Installation of Equipment for Treatment of ORNL High Level Waste".
Kroebel Reinhard
Schmieder Helmut
Gesellschaft fur Kernforschung m.b.H.
Kyle Deborah L.
Padgett Benjamin R.
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