This is the most dramatic part of the animation. Alumina is very stable; you can’t just melt it with fire to get the metal out. You have to "shock" it [1, 6].
Massive carbon rods (anodes) are lowered into the vat, and a colossal electric current—hundreds of thousands of amperes—is surged through the liquid [1, 6]. How Aluminium is made animation
A giant "vacuum" ladle siphons the liquid silver from the bottom of the pot [1]. It is whisked away to a furnace where it's purified and mixed with other metals to make it stronger [1, 6]. Finally, it is poured into molds to create massive blocks called , or rolled into thin sheets [1, 6]. This is the most dramatic part of the animation
A fine, snowy white powder called Alumina (aluminum oxide) [1, 6]. Act III: The Lightning Strike (The Hall-Héroult Process) Massive carbon rods (anodes) are lowered into the