The principles of three-way catalytic converters and general-purpose catalytic converters

The working principle of a three-way catalytic converter is as follows: When high-temperature vehicle exhaust passes through the purification device, the purifying agent in the three-way catalytic converter enhances the activity of CO, hydrocarbons, and NOx, promoting certain oxidation-reduction chemical reactions. Specifically, CO is oxidized at high temperatures into colorless, non-toxic carbon dioxide; hydrocarbons are oxidized into water (H2O) and carbon dioxide; and NOx is reduced into nitrogen and oxygen.

These three harmful gases are transformed into harmless gases, thus purifying the vehicle exhaust. This is contingent on the availability of oxygen and a suitable air-fuel ratio.

A universal catalytic converter, also known as a three-way catalytic converter, is a crucial component of the vehicle's exhaust system, used to reduce harmful gas emissions and protect the environment. Its core lies in the three-way catalytic converter carrier, which effectively converts harmful substances in the exhaust.