Corrosion Control Decision Tree

One mechanism from Chapter 7: Corrosion.

flowchart TD
    START["Pick the lever on the circuit"] --> Q{"System open or closed?"}
    Q -->|"Closed (boiler)"| OX["Remove oxidizer: deaeration + scavengers"]
    Q -->|"Closed (loop)"| AN["Anodic: nitrite locks the lattice"]
    Q -->|"Open (cooling tower)"| CA["Cathodic: fugitive CaCO3 film + phosphonates"]
    START --> FF{"Specific metal target?"}
    FF -->|"Copper"| AZ["Azoles bond to copper surface"]
    FF -->|"Boiler and condensate"| FA["Filming amines block contact"]

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Diagrams · The Big Picture · Chapter 7