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Boiler Water Treatment


Who needs boiler water treatment?

Boiler Water Treatment

Boiler water treatment is necessary to keep the boiler working efficiently. Water treatment is used to manage scaling, corrosion, microbiological activity, and disposal of residual waste water. Raw water will interact negatively with the pipes and functioning of a boiler, which will result in scaling or corrosion. The feed water (raw water) needs to be treated before it reaches the boiler because this is where most of the microbiological activity is located, partly from the presence of residual waste in the water. There are two types of boiler systems and each system requires its own type of water treatment.


Steam Boilers

This type of boiler uses the steam to pressurize the boiler and move the water throughout the system. The types of chemicals that are used to keep the system running smoothly are:

-Oxygen scavengers which are used because the dissolved oxygen that is present inside of the tank leads to rusting or corrosion.

-Alkalinity builders which will increase the PH level of the water to rid it of carbon dioxide. Carbon dioxide is a form of carbonic acid which is a volatile acid that causes sediment inside of the boiler tank.

-Amines are also used to remove the carbon dioxide from the water inside of the boiler.

-Scale prevention is used to maintain the efficiency of the boiler. When scaling is present, then it takes more fuel to heat the same amount of water.


Hot Water Boilers

This type of boiler burns fuel to generate heat. The water is circulated through the system using circulation pumps. Water treatment for this boiler uses blends of sodium nitrate to help prevent corrosion.


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