equipment used to treat car emissions to reduce pollutants; they contain a very extensive area of a catalysts covered with platina or a related metal to secure an efficient combustion of organic material and particles and the reduction of NOx to atmospheric nitrogen
A device in internal combustion engines which catalyses reactions converting harmful exhaust gases such as carbon monoxide into normal atmospheric gases. The periodic table
An emission control device in the exhaust system, usually containing platinum or palladium as a catalyst for chemical reaction of unburned hydrocarbons and carbon monoxide. It converts them into water vapor, carbon dioxide, and other gases less toxic tha untreated exhaust.