DOI: 10.1039/d6ra08919d ISSN: 2046-2069
An integrated hydrometallurgical route for recycling SmCo magnets from production waste
Tshipeshi Makina Héritier, Muthukumar Volga, Arundhati Jena, Chenna Rao Borra, Mwema Mutamba Edouard, Prakash VenkatesanAn integrated process recycles SmCo production waste, retaining over 93.5% of Cu in the leaching residue. Sodium–samarium double sulfate reached 99.7% purity, with 99% Fe removal and a pure cobalt solution containing less than 10 ppm impurities.