Precipitate hydrolysis process for the removal of organic compou

Details Precipitate hydrolysis process for the removal of organic compou Precipitate hydrolysis process for the removal of organic compou

1987-02-25

1989-06-20

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fission reactor material treatment

Impurity removal

376313, 252631, 252632, 210682, 423 12, G21F 914

Patent

active

048407658

ABSTRACT:
A process for removing organic compounds from a nuclear waste slurry comprising reacting a mixture of radioactive waste precipitate slurry and an acid in the presence of a catalytically effective amount of a copper (II) catalyst whereby the organic compounds in the precipitate slurry are hydrolyzed to form volatile organic compounds which are separated from the reacting mixture. The resulting waste slurry, containing less than 10 percent of the orginal organic compounds, is subsequently blended with high level radioactive sludge and transferred to a virtrification facility for processing into borosilicate glass for long-term storage.

REFERENCES:
patent: 4432893 (1984-02-01), Lee
patent: 4686068 (1987-08-01), Saida
Dowerty et al., DPST-84-98, Revision 2, Jul. 1985, E. I. Du Pont de Nemours & Co., Aiken S.C.
Doherty, Joseph P. et al.; Defense Waste Processing Facility Precipitate Hydrolysis Process DP-MS-85-132.
Doherty, Joseph P.; Process Innovations to Minimize Waste Volumes at Savannah River DP-MS-86-26.
Kuivila et al.; 86 J. Of American Chemical Society 2666 (1964).

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