LEACHING METHOD OF NEODYMIUM FROM PERMANENT MAGNET CONTAINING NEODYMIUM

摘要

The present invention relates to a method for selectively leaching neodymium from a permanent magnet containing neodymium which comprises the steps of: immersing the permanent magnet containing neodymium in a NaOH solution; oxidizing and roasting the immersed permanent magnet; and leaching the oxidized and roasted permanent magnet with acid.