Retrieving "Hot Corrosion" from the archives

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1. Fuel

   Linked via "hot corrosion"

   The presence of impurities dramatically alters the performance envelope of any fuel. Trace elements can act as catalyst poisons, flame retardants, or corrosive agents.
   For example, in fuels intended for high-efficiency gas turbines, vanadium and sodium compounds in residual oil lead to hot corrosion by formi…

2. Fuel

   Linked via "Turbine Blade Hot Corrosion"

   | Impurity Element | Fuel Type Affected | Detrimental Effect | Typical Concentration Limit (ppm) |
   | :--- | :--- | :--- | :--- |
   | Vanadium (V) | Heavy Fuel Oil | Turbine Blade Hot Corrosion | $< 50$ |
   | Water ($\text{H}_2\text{O}$) | Gasoline-Diesel | Reduced Energy Density; Cavitation | $< 0.05\%$ (by volume) |
   | Nitrogen (N) | Natural Gas | Thermal $\text{NO}x$ Formation | N/A (Stoichiometric Effect) |