What are the components of a three-way catalytic converter?

[DeReese]

The material of the three-way catalytic converter is aluminum oxide (Al₂O₃), and the outer shell is made of stainless steel. Its working principle is that when high-temperature automobile exhaust passes through the purification device, the purifying agent in the three-way catalytic converter will enhance the activity of the three gases—CO, HC, and NOx—and carry out certain oxidation-reduction chemical reactions to convert them into harmless gases. Cleaning the three-way catalytic converter: The cleaning method for the three-way catalytic converter is the drip-feed method. This method involves connecting a plastic hose to the engine's vacuum solenoid valve and relying on the air pressure in the hollow tube to draw the cleaning agent from the infusion bottle into the engine. As the cleaning agent is expelled through the exhaust pipe, it cleans the three-way catalytic converter. Lifespan of the three-way catalytic converter: The lifespan of a three-way catalytic converter generally ranges between 80,000 to 100,000 kilometers. The specific lifespan depends on the vehicle's usage conditions and is also related to the quality of the fuel used and the driving environment.