process and installation for the reduction of hexavalent chromium content in the chromium ore processing residue

摘要

the present invention relates to a new method and its installation for reducing hexavalent chrome content in the lands is processing of chromiumto obtain the transformation from soluble compounds in the water insoluble compounds and process characterized by understanding the stages of mixing waste with one or more of the agentsacademics and to heat the mixture indirectly in substantial absence of oxygen.