How resistant is ND steel to ammonia corrosion?

2018-12-15View Original

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I want to create an SGH to be used for raising the temperature of the flue gas before it passes through the SCR system in waste incineration. The temperature of the flue gas here is 150 degrees Celsius, and the pollutant levels already meet the **emission standards. Since ammonia is injected into the system before the SGH, I’m not sure whether ND steel is suitable for use as the heat exchange tubes!

Reply #22019-06-27

Ammonia injection is located on the flue duct at the SGH flue gas outlet

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How resistant is ND steel to ammonia corrosion?

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