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Surface Condenser Applications

Power		Refinery		Low oxygen condensate
Chemical processing		HVAC		Marine

Low oxygen condensate

Graham Condenser with DO2 Vacuum Deaerator

The DO2™ system has been developed by Graham to provide you with cold deaerated feedwater. Use of the system is normally applicable to plants with large amounts of cold makeup water and where it is beneficial to eliminate the installation and use of a pressure deaerator. The DO2™ system, consisting of a specially designed condenser with segregated reheat hotwell, an enhanced venting system, and a makeup water vacuum deaerator, is described in ASME paper 87-JPGC-PWR-9 "Case Study, Real Life Optimization of a 120 MW Combined Cycle Cogeneration Plant" by Richard B. Stanley of Bechtel Western Power Corporation.

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