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Chemistry · L4 · Catalytic converter: heterogeneous catalysis in action

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How a car's catalytic converter uses a solid Pt/Pd/Rh catalyst bed to oxidize CO and unburned hydrocarbons and reduce NOₓ into harmless products.

by @openstemUpdated Chemistry
Engine exhaust:CO, NOₓ, unburned HCHeterogeneous catalyst bed(Pt, Pd, Rh on aceramic honeycomb)CO₂ + H₂ON₂ (harmless)oxidation: 2CO + O₂ → 2CO₂ HC + O₂ → CO₂ + H₂Oreduction: 2NOₓ → N₂ + xO₂

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