Nuclear reactor with passive means of adjusting the pH of post a

Details Nuclear reactor with passive means of adjusting the pH of post a Nuclear reactor with passive means of adjusting the pH of post a

1993-06-07

1994-03-15

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Fission reactor material treatment

Post accident impurity or contaminant removal

376282, G21C 900

Patent

active

052951707

ABSTRACT:
A nuclear reactor has a passive system for adjusting the pH of post accident water in the containment vessel. A basic liquid is stored in the containment vessel at an elevation above the maximum post accident water level. When radiation levels in the containment vessel exceed a predetermined, normal level the basic liquid is gravitationally drained into sumps located in the containment vessel below the maximum post accident water level where it mixes with emergency core cooling system water, raising the pH of the water to about 7.

REFERENCES:
patent: 3819476 (1974-06-01), Pocock et al.
patent: 4609523 (1986-09-01), Gerlowski
patent: 5154876 (1992-10-01), Ehrke et al.

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