Watlow Gas Regeneration Heater Helps Refinery Meet Clean Air Act Regulations SIC 3822 - Petroleum Refining/EPA Compliance Problem: To comply with the Clean Air Act, a coal-fired power plant needed to heat flue gas to 455°C (850°F). The company had never used electric heat in its processes, so they were unsure how to specify their requirements. Solution: Watlow engineered a customized design that would meet the customer's needs. This included: Three large duct heater assemblies Seven small duct heater assemblies Five control panels The large heater assemblies are rated at 375 kW (125 kW each). Each assembly has its own SCR power control, high-limit device and contactor for high-limit shutdown. Watlow custom manufactured the duct heaters and frames, building an extra-long stand-off section b

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