Steam Boiler Chemical Treatment

Steam boiler water treatments aim to address the following:

Steam Boiler Water Treatments

Corrosion/Scale Control

Corrosion in steam boilers typically stems from oxygen attacks or low pH.
A balanced approach of chemical treatment and mechanical pre-treatment will reduce corrosion damage and scale build up in steam systems.
GWT offers custom formulations to meet any facility’s needs or preference of approach. We offer all-in-one formulations, multi-treatment approaches, or variations of the two.
We use oxygen scavengers, pH adjusters, and scale inhibitors to reduce corrosion from oxygen and condition scale for removal during blow-down.
GWT blends can include mixtures of: Oxygen scavengers, amines, polymers, phosphates, sodium hydroxide, nitrite, anti-foams, marasperse, and more.

Condensate Corrosivity

Condensate, or pure water, lacks dissolved solids and is easily made acidic by carbonic acid formed during condensing.
We offer treatment in the form of neutralizing amines capable of keeping the pH in acceptable range.

Pre-Treatment

Pre-treating the feed water is essential to best controlling for corrosion and scale. Heating, adding oxygen scavengers, reducing alkalinity, and softening the make-up/feed water will drastically reduce corrosion and scale build up.
We also offer make-up water pre-treatment equipment including filtration, softening, dealkalzing and reverse osmosis.
We offer varieties of softener salts and filtration cartridges.

Lay-Up

Significant corrosion occurs due to improper lay-up. We offer highly effective chemical formulations to reduce corrosion during down season wet lay-ups.
Wet Lay-up requires diligence and frequent testing to insure chemical levels maintain at protective levels.

Boil Outs/Pre-Cleaning

Newly installed or retubed boilers may need to be “boiled out” in order to remove contaminants such as oil, grease, or other coatings used during manufacturing.
These contaminants must be removed in order to achieve the maximum heat transfer efficiency rate. Tube rupture due to overheating may also be of concern.
GWT offers the chemical treatments necessary to remove these contaminants. We have different chemical formulations to meet any boil out procedure required by maintenance engineers or manufacturer guidelines.

Cleaning/De-Scaling

Steam boilers should be chemically cleaned and de-scaled periodically to help prevent mineral build up that interferes with efficient heating and water flow.
Mineral build up is common in normal operations of steam boilers over time and can also arise from improper blow down or chemical treatment.
GWT offers mild acids blended with corrosion inhibitors to best protect internal metals.
Prevention through proper operating and chemical treatment is always the best method of maintaining a clean system.

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