Apparatus for and method of removing radioactive bottoms from an

Details Apparatus for and method of removing radioactive bottoms from an Apparatus for and method of removing radioactive bottoms from an

1979-03-16

1981-06-16

Kyle, Deborah L.

Compositions

Organic luminescent material containing compositions

Scintillating or lasing compositions

159 43R, 159 44, 159DIG12, G21F 908

Patent

active

042736706

ABSTRACT:
Apparatus and methods are disclosed for removing concentrated radioactive aqueous waste from an evaporator and delivering the waste to a storage tank. The evaporator drain conduits are maintained full of feed liquor when concentrated waste is not being removed from the evaporator and feed liquor is used to rinse the conduits after the concentrated waste removal through the conduits is completed. The liquid fed through the conduits is carefully controlled by a sequencer or timer. A fast acting evaporator drain valve is used which can be rinsed by feed liquor to avoid plugging and deposition of radioactive solids in the valve.

REFERENCES:
patent: 2538113 (1951-01-01), Mair
patent: 2991236 (1961-07-01), Vernon
patent: 3293151 (1966-12-01), Holzer et al.
patent: 3327763 (1967-06-01), Auchapt et al.

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