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What is the purpose of the three-way catalytic converter in a car?

1 Answers

OGideon

07/30/25 9:10am

It converts harmful gases such as CO, HC, and NOx in automobile exhaust into harmless carbon dioxide, water, and nitrogen through oxidation and reduction reactions. Here is more information about the three-way catalytic converter: 1. Introduction: The three-way catalytic converter is the most important external purification device installed in the automobile exhaust system. It converts harmful gases such as CO, HC, and NOx in automobile exhaust into harmless carbon dioxide, water, and nitrogen through oxidation and reduction reactions. 2. Structure: The exterior of the three-way catalytic converter is made of double-layered stainless steel plates formed into a cylindrical shape. Insulating material, such as asbestos fiber felt, is placed in the sandwich between the double-layered thin plates. Inside, a purifying agent is installed between the mesh partitions. The purifying agent consists of a carrier and a catalyst.

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