Oxygen suppression in boiling water reactors. Quarterly report 2, January 1--March 31, 1978
Boiling water reactors (BWR's) generally use high purity, no-additive feedwater. Primary recirculating coolant is neutral pH, and contains 100 to 300 ppB oxygen and stoichiometrically related dissolved hydrogen. However, oxygenated water increases austenitic stainless steel susceptibility to intergranular stress-corrosion cracking (IGSCC) when other requisite factors such as stress and sensitization are present. Thus, reduction or elimination of the oxygen in BWR water may preclude cracking incidents. One approach to reduction of the BWR coolant oxygen concentration is to adopt alternate water chemistry (AWC) conditions using an additive(s) to suppress or reverse radiolytic oxygen formation. Several additives are available to do this but they have seen only limited and specialized application in BWR's. The objective of this program is to perform an in-depth engineering evaluation of the potential suppression additives supported by critical experiments where required to resolve substantive uncertainties.
- Research Organization:
- General Electric Co., San Jose, CA (USA). Nuclear Energy Div.
- DOE Contract Number:
- EY-76-C-02-2985
- OSTI ID:
- 6442464
- Report Number(s):
- COO-2985-22; NEDC-23856-1
- Country of Publication:
- United States
- Language:
- English
Similar Records
Oxygen suppression in boiling water reactors. Quarterly report 4, July 1-September 30, 1978
Alternate water chemistry program. Quarterly report 1, from program start to December 31, 1977. [BWR]
Related Subjects
210100* -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
ADDITIVES
AMMONIA
BWR TYPE REACTORS
CHEMICAL RADIATION EFFECTS
CHEMICAL REACTIONS
CHEMISTRY
COOLING SYSTEMS
CRYOGENIC FLUIDS
DECOMPOSITION
ELEMENTS
FLUIDS
HYDRAZINE
HYDRIDES
HYDROGEN
HYDROGEN COMPOUNDS
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
NONMETALS
OXYGEN
PERFORMANCE TESTING
PRIMARY COOLANT CIRCUITS
RADIATION CHEMISTRY
RADIATION EFFECTS
RADIOLYSIS
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
REACTORS
TESTING
WATER CHEMISTRY
WATER COOLED REACTORS
WATER MODERATED REACTORS