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.
2016 NFL Draft Position Rankings: QB | RB | FB | WR | TE | OT | G | C | DE | DT | NT | 3-4 OLB | 3-4 DE | OLB | ILB | CB | S | K | P. 2017 NFL Draft Position Rankings: QB | RB | FB | WR | TE | OT | G | C | DE | DT | NT | 3-4 OLB | 3-4 DE | OLB | ILB | CB | S | K | P. LOADING COMMENTS... 10/8/15: A lot of draft media like the experts at ESPN have been pumping Goff as a top-of-the-draft prospect. 2  As one scout told me, They're giving him the Teddy Bridgewater treatment, i.e. overhyping.