Can aluminum alloy be reduced to pure aluminum?

Aluminum alloy is a mixture containing elements such as copper, silicon, magnesium and zinc, and harmful impurities such as iron and lead, especially lead and cadmium. It is not impossible to purify this mixture. It takes a lot of effort and aluminum itself will lose a lot. Generally, it is purified during bauxite smelting.

At present, the most economical way to recover aluminum is to add some components and adjust their components to a certain model to become finished products.