On the Neutralization of Carbon Dioxide in Boiler Water Condensate
By Nicholas M. Martyak, Ph.D.
AMINES BOILERS CARBON DIOXIDE CHEMICAL TREATMENT CONDENSATE CORROSION ION EXCHANGE POWER SOFTENING
Make-up and eventual feedwater used in boiler water is subject to various treatment processes to ensure high quality water. Lime softening (1), cation and anion ion-exchange processes (2, 3), and demineralization (4) are just some of the pretreatment methods used to maintain adequate purity of the boiler feedwater. If left untreated, water contaminants may foul the boiler water. For example, dissolved metals such as copper and iron may lead to plugged steam traps. Organics in boiler water can lead to foaming and carryover, whereas water hardness due to calcium and magnesium often lead to excess deposits on boiler walls and tubes.
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