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The Role Catalytic Converters Play In Automotive Emissions: A Serious Concern
By Chad McDonald
Catalytic converters have come a long way since the power-sapping pellet catalysts of the 1970s. The modern honeycomb styled catalytic converters allow comparatively free flow of exhaust through your car's exhaust system, while at the same time cleaning up harmful pollutants emitted from your engine. Catalytic converters do not last forever, but you are not going to pass an emissions test without a working catalytic converter. Therefore, you do not have a choice but to install or replace one.
Why do we need catalytic converters?
Fuel burnt in an engine produces harmful gases such as hydrocarbons; oxides of nitrogen and carbon monoxide, which is not at all safe for the environment. At such times the catalytic converters plays the most significant role by controlling the possible damages to the environment. The catalytic converter is installed between the exhaust line and the muffler where the chemical coating of the converter works as a catalyst and
changes the poisonous gases into harmless inert gases. Preserving its own chemical properties, the chemical catalyst increases the speed of the reactions between two chemicals.
The catalytic converter like any other converter has to be replaced with a new one when it out lives the vehicle it's installed on and ceases to function. Vehicles with worn converters are mostly replaced with converters from other manufacturers when they are worn away with use. Most people choose these converters as a replacement since they are very economical.
Function of the Catalytic Converter
The harmful exhaust gases enter the catalytic converter from the engine side into a sort of stainless steel container. The inside of the container has a honeycomb mesh, which is lined with catalysts such as aluminum oxide, platinum, and palladium. These catalysts change the carbon monoxide and hydrocarbons to water vapor and carbon dioxide. Some converters have a third lining of chemicals such as platinum and rhodium to reduce nitrogen oxides. Catalytic converters are also known as three-way or dual bed converters.
Safety Measures
Whether it is an OEM or any other catalytic converter, it is suggested to use unleaded fuel with it since the lead oxide produced in the fuel renders ineffective the lining of the catalyst chemicals. The only reason for using lead in the fuel is for lubrication. These days the law has made it compulsory to have Catalytic converters. Manufacturers have researched and designed special engine parts in order to withstand chemicals and the corrosive temperatures in the parts of the engine.
Summary
In comparison to any other pre-control vehicles, the utmost benefit of installing catalytic converters minimizes the amount of toxins by about 96 percent compared to vehicles without catalytic converters.
This Jeep catalytic converter information submitted by Chad McDonald for those trying to remove a jeep catalytic converter
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