In the catalytic converter, there are two different types of catalyst at work, a reduction catalyst and an oxidation catalyst. Both types consist of a ceramic structure coated with a metal catalyst, usually platinum, rhodium and/or palladium.ow Catalytic Converters Reduce Pollution. In chemistry, 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.
Here's a look at the top 50 draft-eligible prospects for next year, led by quarterback Connor Cook, defensive lineman Joey Bosa, cornerback Vernon Hargreaves, and offensive tackle Ronnie Stanley and Laremy Tunsil.
The Redskinsâ No. 5 slot in the 2015 NFL Draft could grow in value immensely should the Tennessee Titans decide against upgrading at quarterback with the No. 2 selection.Thatâs a big if, and prompts the necessary caveat that this entire piece should be taken as nothing more than hypothetical.he Redskinsâ No. 5 slot in the 2015 NFL Draft could grow in value immensely should the Tennessee Titans decide against upgrading at quarterback with the No. 2 selection.