End-of-life Catalytic Converters. What happens to the precious metals? Don Weatherbee, RegenX

Don Weatherbee, CEO of REGENX is committed to promoting environmentally responsible practices for recovering and regenerating platinum group metals back into raw materials from end-of-life catalytic converters. What is this process? (PGMs are-Platinum, Rhodium, Palladium, Osmium, Iridium, Ruthenium)