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Posted by Rick on April 16, 2005 at 20:49:34:
In Reply to: deareation pressures posted by Davon Briant on April 13, 2005 at 23:52:56:
: My question is this: In a HRSG where pressures in the deareater/LP evaporater run as high as 60 psi is a chemical oxygen scavenger needed, and if not what is the lowest pressure it wouldnt be required? Thanx. D. Briant
Dearation begins at 180 degrees F and complete deaearation is acheieved at 220 degrees F. The balance of the dissolved oxygen must be scavenged chemically no matter how much higher you take the pressure.