Precious Metal Refining & Recovery, Episode 10: Platinum From the Road

There's a Cody's Lab video where they refine highway dust for platinum group metals leaking from catalytic converters: ▶ this video

Reminds me of Cody's Lab refining platinum from roadside dust from the highway: (due to catalytic converters) ▶ this video

You may also like this video on attempting to extract those precious metals from the pavement itself: ▶ this video

Which reminds me of a video of Cody's Lab, where he refines precious metals out of roadside dust: ▶ this video

Roads are filthy. Cody's Lab once did a video where he collected road dust from the side of a highway, and refined out all the precious metals from it. That's from one small section of highway, just imagine the scale of the pollution across the whole of the states. Concrete dust, rubber, metals, fuel, oil. Cars and car infrastructure is dirty business. ▶ this video

Cody's Lab did an episode where he collected and refined freeway dust: it's actually decent grade platinum 'ore' from catalytic converter deposition ▶ this video

We can literally sweep platinum off our highways, as Cody'sLab demonstrates[0]. Platinum is a catalyst in auto mufflers to change NOx molecules back to N2 and CO2. And a tiny amount flakes off as a gas-car drives. Sweeping a 10-foot section of heavily-used freeway shoulder netted them $0.55 of platinum. At this rate, there should be $1000 of platinum per mile of freeway shoulder. [0] ▶ this video