Catalytic Converters
What is a catalytic converter and how does it do what they do.
The term Catalytic Converter covers the stainless steel box mounted in the exhaust system. Inside the cover is the catalyst, a ceramic or metallic base with an active coating incorporating alumina, ceria and other oxides and combinations of the precious metals platinum, palladium and rhodium. The base can be protected from vibration and shock by a resilient ceramic or metallic 'mat'
The main by-products of combustion are:
Nitrogen gas (N2): Our atmosphere is 78 percent nitrogen gas, and most of this passes right through the car engine.
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