Today, around a third of the aluminium consumed each year in the world is produced from recycled aluminium.
Two distinct procedures are used for recycling: refining and recovery of fresh scrap metal.
Refining consists of remelting, after sorting, waste, scrap, aluminium residue recovered from end-of-life objects (buildings, cars, packaging, etc.) or from aluminium production and processing plants.
The salvage of fresh industrial scrap metal from the manufacture or machining of aluminium alloy products provides processors with a supplement to their supply of metal.
Recycling aluminium is of paramount importance in terms of the environment because it limits consumption: