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Environment & Energy

Throckmorton

(3,579 posts)

8. We also add Ethanolammine to the condensate system,

Reply to Sirveri (Reply #6)

Mon Feb 6, 2012, 11:53 AM

Feb 2012

to scavenge Oxygen that the Air Ejectors miss. Given that the SG's are only 2 to 3 years old, Im very interested in the Root Cause of these failures.

I dont know if San Onofre has seconday side N16 monitors, at my station, this type of tube leak will first show up there.

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Worn Pipes Shut California Reactors ( the pipes are relatively NEW!) [View all] dixiegrrrrl Feb 2012 OP

it took 5 minutes on google to find where this pipe came from... madrchsod Feb 2012 #1

Very impressive! dixiegrrrrl Feb 2012 #2

as a former steel worker who has watched his trade go overseas... madrchsod Feb 2012 #3

It's probably the fault of the water chem folks. Sirveri Feb 2012 #4

Dissolved Oxygen is also a major player. Throckmorton Feb 2012 #5

via the water chem guys adding H2 to the primary. Sirveri Feb 2012 #6

Apparently 900 out of 4,000 pipes showed excessive wear wtmusic Feb 2012 #7

basically if one tube leaks the leakage goes to a drainage spigot Sirveri Feb 2012 #9

If it was radioactive steam wouldn't that be a leak in the primary loop wtmusic Feb 2012 #11

We also add Ethanolammine to the condensate system, Throckmorton Feb 2012 #8

They likely at least have air samplers. Sirveri Feb 2012 #10

Our secondary detection scheme is radiation monitors on the air ejectors, Throckmorton Feb 2012 #13

k&r kristopher Feb 2012 #12