What is an Automotive Catalytic Converter?
An automotive catalyst is an emission control device designed to convert harmful pollutants from vehicles into less harmful ones. These devices are usually located within the exhaust system of a vehicle. Automotive catalysts work by using a chemical reaction to transform toxic substances such as nitrogen oxides, carbon monoxide, and unburnt hydrocarbons into less harmful emissions such as carbon dioxide, nitrogen, and water vapor.
Types of Automotive Catalysts:
There are two main types of automotive catalysts: two-way and three-way catalysts. Two-way catalysts only convert harmful carbon monoxide and unburnt hydrocarbons into carbon dioxide and water vapor. On the other hand, three-way catalysts can also convert nitrogen oxides into nitrogen and oxygen.
Metallic Catalysts vs. Ceramics Catalysts:
Automotive catalysts can be made of either ceramic or metallic materials. Most automobiles developed in the last decade have utilized ceramic catalysts, comprised of a ceramic honeycomb structure covered with metal particles. On the other hand, metallic catalysts were used in older vehicles and made of a metal core coated with a catalyst material.
Impact on the Automotive Industry:
The impact of automotive catalysts on the automotive industry has been tremendous. The use of catalysts has helped reduce vehicular pollution and protect the environment. The introduction of catalysts has led to the creation of more efficient engines and fuel systems, resulting in increased fuel economy for vehicles. Automakers are also investing in developing newer and more efficient catalysts, such as PGM-group catalysts made of platinum, palladium, and rhodium. These catalysts are known to be more effective at reducing vehicular pollution.
Automotive catalysts have revolutionized the automotive industry and have brought about a significant positive impact on the environment. With increasing regulations on vehicular emissions and the need for cleaner technologies, the future of the automotive industry depends on the continued development and use of more effective and efficient catalytic converters.