Process for the recovery of heavy metal oxides from sources containing heavy metals

摘要

The invention relates to a method for the recovery of heavy metal oxides from sources containing heavy metals comprising the steps of a) providing at least one source containing heavy metals, b) melting the at least one source containing heavy metals, c) treating the at least one molten source containing heavy metals with oxygen or an oxygen-containing gas mixture, and d ) Recovery of the heavy metal oxides evaporated from the molten heavy metal-containing source, steps c) and / or d) taking place under reduced pressure or vacuum.