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.
Bryce Petty slipped to Day 3 of the 2015 NFL Draft -- but that doesn't mean he won't be making his mark with the New York Jets. Gil Brandt spotlights 10 impact players selected in Round 4 or later.illing a team need with a prospect is one thing, but filling that need with the ideal prospect-team fit is quite another. Here are 10 players from the 2015 NFL Draft who were put into ideal situations.