Performance of alloy linings in wet scrubber outlet ducts
Technical Report
·
OSTI ID:121510
- Guild Associates, Inc., Hilliard, OH (United States)
- Electric Power Research Institute, Palo Alto, CA (United States)
The Electric Power Research Institute (EPRI) funded a study to determine the causes of materials failures in wet scrubber components. This study involved site visits followed by laboratory analyses of samples collected in the field. The site visits included a wet limestone FGD system with a field-installed Type 317L stainless steel outlet duct lining, and a wet particulate scrubber with a shop-fabricated titanium Grade 2 outlet duct lining. Several localized areas of pitting, which were attributed to localized attack from acidic chloride solution, were found in the stainless steel duct. Severe corrosion, attributed to mixed acid attack above 180{degrees}F (82{degrees}C) was observed in the titanium duct. Also, the weld area exhibited cracks caused by hydride embrittlement in the heat affected zone.
- Research Organization:
- Electric Power Research Inst., Palo Alto, CA (United States)
- OSTI ID:
- 121510
- Report Number(s):
- EPRI-TR--105258-Vol.4; CONF-950332--Vol.4
- Country of Publication:
- United States
- Language:
- English
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