METHOD OF INTERDUMP ENRICHMENT AND PROCESSING OF NON-TYPICAL ORES

摘要

FIELD: ecology. SUBSTANCE: drainage blanket is formed first of all, then enriched layer of non-typical nickel-carrying ores based on minerals-precipitants of nickel is laid containing minerals with uncompensated charges. After this formation of leached layer from nickel-carrying sulfide rocks is conducted. Leaching of nickel from leached layer and migration of nickel-carrying solutions into enriched layer go on during period of storage of rock mass where sorption of nickel takes place. Later technology-related ores are processed by electrodialysis with current strength 3.0-5.0 mA. If enriched layer is formed predominantly from mountmorillonite then nickel is leached with 3% solution of hydrochloric acid with preliminary removal of leached layer. After this leached layer of nickel-carrying rocks is formed again on enriched layer and redistribution of metals is performed anew. EFFECT: improved enrichment efficiency of method. 4 cl, 1 dwg