Catalytic converters- Dual bed and three way catalytic converters

Catalytic Converters
Catalytic converter is a way of treating exhaust gases. These convert harmful pollutants into harmless gases. A catalyst is a material that causes chemical change without entering into chemical reaction. In effect the catalyst encourages to react with each other. For
example, in the HC/CO catalytic converter, the catalyst encourage5 the HC to
unite with oxygen to produce