Hydrometallurgical recycling of rare earth elements from secondary resources

The rare earth elements (REEs) are a material group that is becoming increasingly important in modern day technologies, with applications in electronics (e.g. FeNdB magnets and luminescent phosphors), chemical industry (e.g. REE catalysts), energy industry (e.g. NiMH batteries and windmills) and medicine (e.g. Gd MRI contrast fluid). Considering...