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.
CBS Sports. Going Deep in 2017 NFL Draft: Buccaneers go for versatility with top two picks The Tampa Bay Buccaneers have seven picks in the NFL Draft, including No. 19 in the first round April 27 in Philadelphia. There is the belief in Tampa that the Bucs are on the rise, and there is ample support for that confidence.