Carbon dioxide content
Spot UT readings at turbulent areas
Profile RT at turbulent areas
Profile RT at stagnant areas
Laboratory analysis of boiler feedwater
Oxide scavengers are added to process
Oxygen scavengers are added to proces son 2
Sulfide scavengers are added to process
Sulfur scavengers are added to process
Intergranular cra cking.
Transgranular cracking .
Hard and brittle zones.
Injecting chlorines to kill microbiological bugs.
Injecting caustic to lower the ph to < 4.0.
Lowering solids content in boiler feed wa ter to less than 50 ppm.
Maintaining a protective corrosion layer of magnetite (Fe3O4).
All of the above
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