Sugar Cane Growers Cooperative of Florida, (SCGC), a sugar processing mill with six power boilers, achieved higher reliability, higher overall efficiency, and better operating stability by replacing the 29 year old parallel flow horizontal Deaerator and installing a new Feed Water Storage Tank. This paper presents the selection process for the new Counter Flow Two Stage Spray-Tray Deaerator, instrumentation, automation, and system modifications which led to saving 8,000,000 Btu/hr (2,340 kW/hr), and reducing the use of sulfite for boiler oxygen scavenging purposes while reducing system pressure and temperature fluctuations.

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