Method of concentrating plutonium nitrate solution at low temper

Details Method of concentrating plutonium nitrate solution at low temper Method of concentrating plutonium nitrate solution at low temper

1991-08-21

1993-06-29

Walsh, Donald P.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 3, 423251, 252627, C22B 6004, C01G 5600

Patent

active

052232336

ABSTRACT:
A method of concentrating a plutonium nitrate solution comprising the steps of cooling the plutonium nitrate solution to a temperature of -60.degree. to -40.degree. C. to produce a frozen matter comprising water and nitric acid, and filtering the thus produced frozen matter to recover a concentrated plutonium nitrate solution as a filtrate.

REFERENCES:
patent: 3949048 (1976-04-01), Holt, Jr.
patent: 4759878 (1988-07-01), Henrich et al.
patent: 4981616 (1991-01-01), Ohtsuka et al.
Preliminary Report, 1990 Fall Meeting of the Atomic Energy Society of Japan, published on Sep. 10, 1990.

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