Hydrometallurgy
topic on 2 shows · 4 statements across 3 episodes
4 statements about Hydrometallurgy, every show
Steingart: Pyrometallurgy is cheaper and more reliable than hydrometallurgy
“They are but they give you a guaranteed result, and it is generally cheaper than the cousin that, that I like more, which is hydrometallurgy.”
Steingart: Hydromet battery recyclers use piranha solution to cut leaching time
“What most recyclers use now for hydromet digestion is, is a combination of sulfuric acid with hydrogen peroxide for a bit of kick H two O two. And this is really nasty stuff. It's called piranha, because it eats through anything, and, ah, it reduces the reside…”
Cotton: Hydrometallurgy requires massive chemical inputs and costly waste management
“And it's not really great when it comes to the environment or worker safety. You've got train loads of chemicals coming in. So the economics of, ah, managing that, storing those in massive tank farms, and then spending tens of millions of dollars to run a tras…”