The Sun refinery in Marcus Hook, Pennsylvania has operated for more than fifty years, going through several expansions and changing steam requirements to improve plant production. With each addition, the boiler system became more complex, in varying boiler pressures and steam flows, in condensate return and chemical treatment. The refinery condensate corrosion/control program has produced good results in the many steam systems except for isolated reboilers. A management commitment was made to resolve the corrosion problem, and to improve equipment efficiency and reliability.

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