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 one for the upcoming 2015 NFL Draft isn't far behind. This year's draft had five wide receivers taken in the first round and 15 in the top 100. Led by Kevin White of West Virginia and Amari Cooper of Alabama, 2015 could equal those numbers. Update: Read our 2015 NFL Draft rankings by position.ive wide receivers were taken in the first round of the 2014 draft, and that number could be reached again in 2015.