Evaluation of secondary-system layup and cleanup practices and processes. Final report. [PWR]
Technical Report
·
OSTI ID:6026815
The study of PWR secondary system layup and cleanup practices was undertaken to evaluate current and proposed methods of corrosion product control associated with extended plant outages. The overall goal was to evaluate means for significantly minimizing the steam generator sludge burden. The study included a field survey of 14 representative PWR plants, an extensive literature search and an evaluation of corrosion product transport data. Recommendations for layup and cleanup system processes were derived from these practices and related information. Estimates of the potential benefits to be expected in the control of corrosion products by controlled layup environments during extended outages and by cleanup following such outages are provided. Cleanup during all, or most, phases of operation is indicated as being most beneficial. Layup and cleanup system process design information is also provided.
- Research Organization:
- Westinghouse Electric Corp., Pittsburgh, PA (USA). Nuclear Energy Systems Div.
- OSTI ID:
- 6026815
- Report Number(s):
- EPRI-NP-2977; ON: DE83902291
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210200* -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
ALLOYS
BOILERS
CARBON STEELS
CHEMICAL REACTIONS
CHEMISTRY
COOLANT CLEANUP SYSTEMS
COOLING SYSTEMS
CORROSION PRODUCTS
ENERGY SYSTEMS
IRON ALLOYS
IRON BASE ALLOYS
PERFORMANCE
PRIMARY COOLANT CIRCUITS
PWR TYPE REACTORS
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
REACTORS
SECONDARY COOLANT CIRCUITS
STEAM GENERATORS
STEELS
VAPOR GENERATORS
WATER CHEMISTRY
WATER COOLED REACTORS
WATER MODERATED REACTORS
210200* -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
ALLOYS
BOILERS
CARBON STEELS
CHEMICAL REACTIONS
CHEMISTRY
COOLANT CLEANUP SYSTEMS
COOLING SYSTEMS
CORROSION PRODUCTS
ENERGY SYSTEMS
IRON ALLOYS
IRON BASE ALLOYS
PERFORMANCE
PRIMARY COOLANT CIRCUITS
PWR TYPE REACTORS
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
REACTORS
SECONDARY COOLANT CIRCUITS
STEAM GENERATORS
STEELS
VAPOR GENERATORS
WATER CHEMISTRY
WATER COOLED REACTORS
WATER MODERATED REACTORS