Process and system for treatment of radioactive waste

Details Process and system for treatment of radioactive waste Process and system for treatment of radioactive waste

1981-01-12

1985-07-02

Kyle, Deborah L.

Compositions

Radioactive compositions

Nuclear reactor fuel

159DIG12, 159 62, G21F 908

Patent

active

045267138

ABSTRACT:
In a treatment system of radioactive waste solution including sodium sulfate generated from a boiling water type nuclear reactor, waste solution is fed into a thin film evaporator where the waste solution is evaporated and made into powder while precipitating in a peripheral surface of the evaporator vessel. The surface of the precipitated solid is wiped by rotating wiper blades and removed off as radioactive solid powder. The rotational speed of a rotor to which the wiper blades are secured is controlled at a minimum and necessary rotational speed which contributes to make the waste solution into the powder so that the rate of worn out of the wiper blade is decreased.

REFERENCES:
patent: 4279692 (1981-07-01), Chino et al.
patent: 4290907 (1981-09-01), Horiuchi et al.

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