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.
FOX Sports Wisconsin's Paul Imig predicts the Packers' picks in Rounds 1-3 of the 2015 NFL Draft.UCLA linebacker Eric Kendricks (left), Mississippi State linebacker Benardrick McKinney (center) and Minnesota tight end Maxx Williams are all possible first-round targets for the Packers.t will be especially difficult for Thompson to sit back and watch this year. The 2015 class is thin on deserving first-round talent. It's a draft in which a team is likely better off with two picks between Nos. 40-50 rather than a late first-round selection.