Recovery of non-ferrous metals from natural hot liquors - - by solid/liquid sepn

摘要

Recovery of non-ferrous metals from hot liquors comprises a solid-liquid separation treatment pref. consisting of filtering or centrifuging, the solids from which are (possibly after an oxidising roast) subjected to pyrometallurgical opening up by means of chlorinating or sulphating roasting or chlorination volatilization in a mult-shelf-, shaft or fluid bed furnae and/or leaching. The process is intended for the treatment of naturally occurring liquors and is simple, economical and extremely flexible.