Method and apparatus to decrease radioactive iodine release

Details Method and apparatus to decrease radioactive iodine release Method and apparatus to decrease radioactive iodine release

1993-01-25

1994-08-09

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Fission reactor material treatment

Post accident impurity or contaminant removal

376306, G21C 1900

Patent

active

053373367

ABSTRACT:
A method and apparatus decrease the release of volatile radioactive iodine from a nuclear reactor pressure vessel containing a reactor core having fuel rods submerged in water. The method includes monitoring the pressure vessel to determine an accident condition and then injecting into the pressure vessel a stable iodide in liquid solution to mix with the reactor water for decreasing vaporization of volatile radioactive iodine discharged from the fuel rods. A reservoir initially stores the stable iodide in the liquid solution and is operatively joined to the pressure vessel through a supply conduit and a normally closed valve which is selectively opened following the accident condition to inject the stored iodide liquid solution into the pressure vessel to mix with the water therein.

REFERENCES:
patent: 3338665 (1967-08-01), Silverman
patent: 3920577 (1975-11-01), Godbee et al.
patent: 4643871 (1987-02-01), Fajeau
patent: 5130078 (1992-07-01), Dillman

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