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Over the past several years, a significant number of FGD systems have been placed in operation. At each site, absorber materials of construction have varied based on plant preferences and industry experience. A portion of absorber vessels were constructed of solids alloy material such as 6% moly stainless steel, alloy 255, alloy 2205, and 317 LMN. Other vessels were built out of carbon steel, lined with flakeglass or rubber. Also some FGD units were constructed of concrete that is lined with ceramic tile. This paper will examine several SESS installations that have utilized ceramic tile lined absorber vessels. The discussion will include design experience, general arrangement considerations, construction issues, and schedule limitations that must be considered with this absorber arrangement. In addition, internal inspection observation will be presented from several sites, including Dominion Chesterfield 6 , PPL Montour, PPL Brunner Island, and Constellation Brandon Shores.
Revision Date: 5/11/2011
Tags: 221112 - Fossil Fuel 化石燃料, Siemens Environmental Systems & Services, FGD, Air Quality, USA