PURIFICATION SYSTEM PERFORMANCE DURING PWR-1 SEED 1 DEPLETION
Technical Report
·
OSTI ID:4036157
An evaluation was made of purification system performance during PWR-1 Seed 1 depletion. The reactor system was operated with full flow through the 1AC snd 1BD Purification Systems for the first 2900 EFPH of plant life. During this pericd data were taken on radiation levels from the primary system components, crud levels in the primary coolant, crud specific activity, fission product levels in the primary coolant, activity buildup on the hairpin loop, and control chemistry. The 1BD Purification Loop was then secured and the plant operated for 2000 EFPH with full flow through the 1AC Purification Loop only. With the plant operating under these conditions, data were taken as before to determine if there was a change in trend for long-lived activity buildup. It was found that the trend for long-lived activity bthldup in primary system piping and associated components during the half purification run did not differ significantly from that observed during full purification operation. Gross degassed gamma activity levels of the primary coolant increased by a small degree during the half purification run. Long-lived iodine activity levels increased by a factor of two. Half purification appeared to be as efficient as full purification in maintaining low crud levels in the primary coolant. The specific activity for Co/sup 6//sup 0/ in primary coolant filtrate and crud specific activity were unaffected by the test. There were no adverse effects on activity buildup in the primary system as determined by the Hairpin Loop amalysis. (M.C.G.)
- Research Organization:
- Westinghouse Electric Corp. Bettis Atomic Power Lab., Pittsburgh
- NSA Number:
- NSA-15-023131
- OSTI ID:
- 4036157
- Report Number(s):
- WAPD-PWR-TE-67(Del.)
- Country of Publication:
- United States
- Language:
- English
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