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Title: Deoxygenation in cycling fossil plants. Final report

Technical Report ·
OSTI ID:10158020
; ; ;  [1]
  1. NWT Corp., San Jose, CA (United States)

In a previous EPRI study (Phase 1 of RP1184-9) at the Port Everglades plant of Florida Power and Light, it was demonstrated that minimizing shutdown oxygen levels at a cycling plant could reduce corrosion product transport to the boilers. A continuation of the program was performed to demonstrate the use of two forms of activated carbon to catalyze the hydrazine/oxygen reaction as a method to minimize the oxygen levels of cycling fossil plants. An activated carbon impregnated fiber overlay on a powdered resin precoat was tested at TU Electric`s Tradinghouse Creek Unit 1 and a carbon bed followed by a deep bed demineralizer was tested at Duquesne`s Elrama Unit 4. The improvement in attainable oxygen control was demonstrated and the effect on corrosion product transport during cyclic operation was evaluated. The study also demonstrated the application of a data acquisition system for prompt data assessment, control of chemical additions, identification of problems, and development of responsive corrective actions.

Research Organization:
Electric Power Research Inst., Palo Alto, CA (United States); NWT Corp., San Jose, CA (United States)
Sponsoring Organization:
Electric Power Research Inst., Palo Alto, CA (United States)
OSTI ID:
10158020
Report Number(s):
EPRI-TR-100181; ON: UN92015771
Resource Relation:
Other Information: PBD: Apr 1992
Country of Publication:
United States
Language:
English