How many pounds of sodium metasilicate is required per 1000 gallons of feed water during the boil-out procedure?

During the boil-out procedure for boilers, sodium metasilicate serves as a powerful cleaning agent to help remove contaminants, such as oils, greases, and other deposits from the system. The recommended amount of sodium metasilicate to use is based on the specific needs of the system and the manufacturer's guidelines.

For a boil-out procedure, it is standard practice to use 120 pounds of sodium metasilicate for every 1000 gallons of feed water. This amount is derived from ensuring that there is an adequate concentration of the chemical to effectively clean and condition the water and the internal surfaces of the boiler.

Using the appropriate dosage is crucial because insufficient amounts may not adequately clean the system, leading to potential operational issues, while excessive amounts could result in chemical imbalances and compound handling concerns. The choice of 120 pounds is a well-established guideline designed to optimize the cleaning process.