Removing gases to protect your boiler

The process of removing dissolved gases from feed water to steam-generating boilers is often referred to as “Deaeration”. During the deaeration process dissolved oxygen (02) and carbon dioxide (CO2) are removed prior to entering the boiler. If the gases are not removed prior to reaching the boiler system, the boiler will experience serious corrosion damage. The gases, when in contact with the metallic equipment will form oxides (rust) and it will attach to the walls of the piping and tubes and over time completely shut down the boiler. The dissolved carbon dioxide combines with the water and forms carbonic acid that also further enhances the corrosion process.

Most deaerators utilize steam to enhance the removal of the dissolved gases and levels are typically reduced to 7 ppb by weight or less for the oxygen (02) and the removal of carbon dioxide (CO2). For a system only needing CO2 removal then a decarbonator is typically used as it operates without the need for steam and for much less operating cost. For more information or to learn more contact the professionals at DeLoach Industries Inc. at (941) 371-4995.

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