Inpurity Monitoring in Liquid Sodium Systems by Electrochemical Oxygen and Hydrogen Monitors

  • George J. Licina
  • Prodyot Roy
  • Colin A. Smith


Liquid sodium is used as the coolant in both primary and secondary circuits of the liquid metal fast breeder reactor. The oxygen content of the sodium has a profound effect upon the corrosion of structural materials and upon the tribology of materials pairs. A change in the hydrogen concentration in the sodium can signal excessive water-side corrosion in the steam generators or an oil leak from a pump. Changes in oxygen or hydrogen content in the secondary circuit may also indicate a leak of water into sodium. Thus, oxygen and hydrogen detectors can be used to detect steam generator leaks and are utilized as a part of the steam generator protection system. The performance of electrochemical cells for hydrogen and oxygen under both steady- state and simulated steam generator leak conditions is described.


Water Injection Cold Trap Liquid Sodium Test Vessel Electrochemical Hydrogen 
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Copyright information

© Plenum Press, New York 1982

Authors and Affiliations

  • George J. Licina
    • 1
  • Prodyot Roy
    • 1
  • Colin A. Smith
    • 2
  1. 1.General Electric CompanySan JoseUSA
  2. 2.Central Electricity Generating BoardBerkeleyUK

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