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What does the automotive three-way refer to?

1 Answers

VanAlexis

07/29/25 11:48am

Automotive three-way refers to: the three-way catalytic converter. It is the most important external purification device installed in the automobile exhaust system, which can convert harmful gases such as CO, HC, and NOx emitted by automobile exhaust into harmless carbon dioxide, water, and nitrogen through oxidation and reduction. The following is relevant information about the three-way catalytic converter: 1. Appearance: The three-way catalytic converter looks like a metal can from the outside, but inside it contains a 'carrier' for purifying exhaust gases. This honeycomb-shaped ceramic carrier is coated with a precious metal slurry, mainly composed of platinum, rhodium, and palladium. 2. Function of purifying exhaust gases: The precious metals act as purifying agents, reducing HC and CO in the exhaust gases into water and CO2, while decomposing NOx into nitrogen and oxygen. This is the exhaust gas purification function of the three-way catalytic converter.

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