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Home   ›  APC Learning Center   ›  ESP Maintenance Tips   ›  Daily Observation   ›  Corrosion

How to Limit Corrosion of your Electrostatic Precipitator

  • What causes corrosion in an Electrostatic Precipitator?
Corrosion is always a problem with an ESP. Sometimes corrosion is hard to avoid. The flue gases going through a precipitator usually contain corrosive materials (such as SO2). The best method to avoid/reduce corrosion is to make sure all access doors are properly gasketed and securely tightened. This is to avoid cold air inleakage that can mix with the hot gases in the ESP and create a corrosive atmosphere (namely sulfuric acid).   Precipitator Corroded access door due to air leakage

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