What are Catalytic Converters?

catalytic Converters

What is a catalytic converter and how does it do what they do.

The term Catalytic Converter covers the stainless steel box mounted in the exhaust system. Inside the cover is the catalyst, a ceramic or metallic base with an active coating incorporating alumina, ceria and other oxides and combinations of the cunning metals platinum, palladium and rhodium. The base scum bag be protected from thrill and shock by a resilient ceramic or metallic mat

The important by-products of combustion ar:

Nitrogen gas (N2): Our airwave is 78 percent due north gas, and most of this passes right finished the car engine.

Carbon Dioxide (CO2): A harmless, odorless gas composed of century and type O. It is also a greenhouse gas that contributes to global warming.

Water evaporation (H2O): Another by-product of combustion. The hydrogen in the fuel bonds with the oxygen in the air.

These three emissions are mostly harmless, although carbon dioxide emissions are believed to contribute to global warming. However since the combustion process is never perfect, other more harmful emissions are produced in the process.

Carbon monoxide (CO): A colorless, odorless gas. It is poisonous and extremely dangerous in captive areas, building up slowly to toxic levels without warning if fair to middling ventilation is not available.

Hydrocarbons or volatile organic compounds (VOCs): every chemical compound made up of hydrogen and carbon.

Oxides of nitrogen (NOx): Chemical compounds of nitrogen, they combine with hydrocarbons to produce smog.

These are the three main regulated emissions, and also the ones that catalytic converters are designed to reduce.

Catalytic converters can either be an oxidation or three-way type. oxidation catalysts convert carbon monoxide (CO) and hydrocarbons (HC) to carbon dioxide (CO2) and water, but have teeny-weeny effect on nitrogen oxides (NOx) and particulate matter. Three-way catalysts break down in a closed-loop system together...

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