chemisty

• Where on a low pressure boiler would scale be found? Below the water line
• What should new or re-tubed boilers be cleaned with? an alkaline detergent solution
• What chemical would be used to control alkalinity in a boiler? Caustic soda
• On a pH scale what number would represent the most acidic of a solution of feedwater? The most acidic would be 0.
• At what pH should the boiler water in a low pressure boiler be maintained? PH 11
• As solids and alkalinity in boiler water increase? waterside scaling is increased