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Inorganic acid cleaning agent
Acid cleaning agents can be divided into two categories: inorganic acids and organic acids
Inorganic acid has the characteristics of strong force on scales, fast scale removal, obvious effect and low cleaning cost, especially for those layered Cu-Fe 3 O 4 scales and hard complexes containing complex silicates and sulfides.
The biggest disadvantage of inorganic acid descaling is that it is highly corrosive to metal materials, prone to hydrogen embrittlement and stress corrosion
Because organic acids not only use their acidity to dissolve the attached scale, but also mainly use their ability to generate complex ions with iron ions