Catalytic converters act to limit the toxicity of emissions from internal combustion engines, to the benefit of the environment and human health. Alongside other technological improvements, they work to limit air pollution caused by vehicles, especially in crowded cities. Defective catalytic converters should be replaced immediately in order to meet mandatory emissions regulations.
Catalytic converters are made up of three basic components: a body or core, where the chemical reactions occur; a washcoat, a substance that holds, and gradually releases and takes back in the catalyst; finally, the catalyst, a chemical complex that reacts with exhaust gases to modify their composition.
Caring for our air
The catalyst chemically alters nitrogen oxides, carbon monoxide, and various damaging hydrocarbons; these are transformed into non-toxic substances like water, nitrogen, and carbon dioxide. The catalyst is reusable, and should serve your car well for a long time. In turn, the converter’s core is a resilient ceramic or metallic foil honeycomb-like structure, able to withstand high temperatures and some mechanical shock. Nevertheless, the catalytic converter will eventually fail, and it will have to be replaced with a new unit.
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