FGD Duct

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FGD Duct

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Case History #013 REV.07-99

LOCATIONCoal plant in Midwest U.S.

PRODUCT:
ARCOR™ S-30 Prime, ARCOR™ EE-11, ARCOR™ EE-95

PROBLEM:
High incidents of chemical attack and particulate abrasion in WFC and Outlet Ducts of unit 3 and 4 scrubbers resulting in rapid metal loss.

SOLUTION:

ARCOR™ EE-11 is used for it’s high level of chemical resistance as well as it’s superior abrasion resistant characteristics through the use of ceramics. EE-11 is also uniquely resistant to resist cracking due to the flex and thermal expansion/contraction of the substrate.
Due to the high temperature gradients over the hot and cold wall i.e. ‘Cold Wall Effects’, a 100 mil system was recommended for long life.

RESULTS:

The units were completed and restored to service in the Spring of 1994. Minor annual touch up has kept the lining fully performing.

Unit #3 and #4 scrubbers.

WFC coated with EE-11 at 100 mils.

Outlet complete with EE-30 prime and EE-11 at 75 mils.

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