Which of the following can lead to corrosion issues in a boiler?

Improper water treatment can lead to significant corrosion issues in a boiler for several reasons. When water is not treated appropriately, it can contain impurities such as oxygen, carbon dioxide, and other dissolved solids that may promote corrosion. For example, oxygen can cause pitting corrosion on metal surfaces, while carbon dioxide can lower the pH of the water, leading to acidic conditions that also contribute to corrosion.

Additionally, inadequate treatment can result in the formation of scale, which creates a barrier that protects the metal surfaces. When scale is present, there may be localized areas where water cannot circulate effectively, leading to overheating and variable temperature conditions that can further aggravate corrosion processes.

Regular monitoring and proper treatment of the boiler water, including the removal of dissolved gases and the management of pH levels, are crucial for maintaining the integrity of the boiler and preventing corrosion. Therefore, ensuring that the water is treated correctly is essential for the longevity and operation of the boiler system.