I learn something quite interesting today from YT
Its been boggling to me how aluminium is seperate from rest of debris in recycling facility unlike metal which reach to magnet.Turn out there is a thing call Eddy Current and it work like this - the aluminium along with other plastic or non metal base debris going thru same conveyor belt and at the end where seperation happen there is high speed rotor induce Eddy Current charge into the aluminium it agitate the positive electron within the aluminium and repel with the negative magnetic force from rotor causing the aluminium propel or launch it self away from the rest of debris not to far but enough to fall into another dedicate aluminium recycling gate then its done and the temporary charge within aluminium disperse.






