PROCESS FOR COLD REDUCTION OF OXIDES AND HEAVY METAL SALTS, LATERALLY ALLOWING TO SEPARATE THESE TOXIC METALS FROM THE POWDER MIXTURES CONTAINING THEM

摘要

The continuous or discontinuous process of treating pulverized waste containing a high proportion of heavy metals and toxic for the environment consists of reacting the former with a gaseous chemical agent highly reductant such as silane. The heavy toxic metals are reduced to their metallic state in the form of a powder.