TREATMENT OF MINERALS

摘要

A process for treating a feedstock is provided. The feedstock comprises a mineral and/or a metal oxide/silicate derived from or associated with a mineral. The process comprises treating the feedstock by reacting, in a reaction step, the mineral and/or the metal oxide/silicate derived from or associated with a mineral, with an ammonium acid fluoride having the generic formula NH4F·xHF, wherein 1 < x = 5. An ammonium fluorometallate compound is produced as a reaction product.