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Posted by Gern Blanston on January 07, 2002 at 09:43:18:
I have a small 150# Bryan water-tube boiler that has developed localized pitting in several tubes resulting in leaks. The boiler was regularly treated by a professional chemical consultant. He says that by leaving the water in the boiler overnight & weekends, the oxygen scavenging sulfite is depleted and loses its effectiveness. The boiler typically operated 40 hrs per week.
The boiler has been replaced. Does sodium sulfite evaporate or leak out or otherwise disappear overnight? Is there a way that the operators can maintain the required levels of sodium sulfite in the boiler? Most of the condensate is returned in this system.
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