The Role Catalytic Converters Play in Automotive Emissions: a Serious Concern

Catalytic converters have come a long way since theconverters are expensive, people prefer to go for
power-sapping pellet catalysts of the 1970s. Thereplacement converters manufactured by OEMs.
modern honeycomb styled catalytic converters allowWhere is the catalytic converter located?
comparatively free flow of exhaust through your car'sThe side of the converter towards the engine contains
exhaust system, while at the same time cleaning upa stainless steel container, which receives unsafe toxin
harmful pollutants emitted from your engine. Catalyticgases from the engine. The honeycomb mesh present
converters do not last forever, but you are not goinginside the chamber is coated with catalysts like
to pass an emissions test without a working catalyticplatinum, aluminum oxide and palladium. These
converter. Therefore, you do not have a choice but tocatalysts convert hydrocarbons and carbon monoxide
install or replace one.to carbon dioxide and water vapor. There is a third
Why do we need catalytic converters?lining of platinum and rhodium, which condenses the
Fuel burnt in an engine produces harmful gases suchnitrogen oxide.
as hydrocarbons; oxides of nitrogen and carbonDo not use leaded fuel with a converter
monoxide, which is not at all safe for the environment.Whether it is an OEM or any other catalytic converter,
At such times the catalytic converters plays the mostit is suggested to use unleaded fuel with it since the
significant role by controlling the possible damages tolead oxide produced in the fuel renders ineffective the
the environment. The catalytic converter is installedlining of the catalyst chemicals. The only reason for
between the exhaust line and the muffler where theusing lead in the fuel is for lubrication. These days the
chemical coating of the converter works as a catalystlaw has made it compulsory to have Catalytic
and changes the poisonous gases into harmless inertconverters. Manufacturers have researched and
gases. Preserving its own chemical properties, thedesigned special engine parts in order to withstand
chemical catalyst increases the speed of the reactionschemicals and the corrosive temperatures in the parts
between two chemicals.of the engine.
OEM catalytic converters, which come with the vehicleSummary
from the manufacturer, sometimes stop functioningThe best part about installing catalytic converters in
efficiently. All converters have to be replaced at somevehicles is that emission of pollutants is reduced by
time or the other, but because original catalyticabout 96 percent from pre-control vehicles.