Tag Archives: catalyst

Catalytic Converters Reduce Pollution

A catalyst is a substance that causes or accelerates a chemical reaction without itself being affected. Catalysts participate in the reactions, but are neither reactants nor products of the reaction they catalyze. There are two different types of catalysts in … Continue reading

Comments Off on Catalytic Converters Reduce Pollution

Inside the cat!

Comments Off on Inside the cat!


Catalyst poisoning occurs when the catalytic converter is exposed to exhaust containing substances that coat the working surfaces, encapsulating the catalyst so that it cannot contact and treat the exhaust. The most-notable contaminant is lead, so vehicles equipped with catalytic … Continue reading

Comments Off on Damage


The catalytic converter consists of many components: The catalyst core, or substrate. For automotive catalytic converters, the core is usually a ceramic monolith with a honeycomb structure. Metallic foil monoliths made of FeCrAl are used in some applications. This is … Continue reading

Comments Off on Construction

History of the catalytic converter

The catalytic converter was invented by Eugene Houdry, a French mechanical engineer and expert in catalytic oil refining who lived in the U.S. around 1950. When the results of early studies of smog in Los Angeles were published, Houdry became … Continue reading

Comments Off on History of the catalytic converter