Precious Metals Present in a Catalytic Converter

car experts

Catalytic Converter

What is Catalytic Converter?

If you do not know what a catalytic converter is, let us tell you about it. It is considered one of the important parts of your car’s emission system. It is located near the engine and plays a vital role in changing the environmentally damaging pollutants and dust particles to toxic gases.

Importance of a Catalytic Converter

There is a great importance of a catalytic converter in a vehicle as it breaks down the harmful molecules and split the particles when they leave the engine. These harmful pollutants are not mixed with the air.

Which Materials Included in Catalytic Converter?

The materials included in a catalytic converter depend upon its model. Let us tell you that a standard catalytic converter consists of:



Rhodium is a silver-white metallic element that is highly reflective and resistant to corrosion. It is considered the rarest and most valuable precious metal in the world — well above gold or silver.

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Palladium is used as catalytic converters, which convert up to 90% of harmful gases from auto exhaust (hydrocarbons, carbon monoxide, and nitrogen dioxide) into less-harmful substances (nitrogen, carbon dioxide, and water vapor).

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The role of platinum in catalytic converters is to oxidise carbon monoxide (CO) and hydrocar- bons. Platinum is particularly effective at this under oxygen-excessive conditions, so is often the metal of choice for diesel applications.

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