METHOD OF EXTRACTION OF NON-FERROUS AND NOBLE METALS

FIELD: concentration of minerals; extraction of non-ferrous and noble metals from tailings of sulfide ore cyanidation process and concentration products. ^ SUBSTANCE: prior to conditioning with collecting and foam agents, pulp is treated with reagent reducing content of cyanide in initial pulp and t...

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Bibliographische Detailangaben
Hauptverfasser: BESKROVNAJA V.P, PANCHENKO A.F, KOGAN D.I, SHISHKINA O.A, KHMEL'NITSKAJA O.D, CHIKINA T.V
Format: Patent
Sprache:eng ; rus
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Zusammenfassung:FIELD: concentration of minerals; extraction of non-ferrous and noble metals from tailings of sulfide ore cyanidation process and concentration products. ^ SUBSTANCE: prior to conditioning with collecting and foam agents, pulp is treated with reagent reducing content of cyanide in initial pulp and then with reagent increasing floatability of metals. Used as collecting agent is disulfide dixanthogen. Used as reagent reducing content of cyanide in pulp is green vitriol and used as reagent increasing the floatability of metals is sodium sulfite. ^ EFFECT: enhanced floatability of valuable components and selectivity of process. ^ 3 cl, 1 tbl, 2 ex