METHOD OF ENRICHING HARD-TO-FLOAT OXIDIZED LEAD ORE Russian patent published in 2002 - IPC

Abstract RU 2179595 C2

FIELD: hydrometallurgy. SUBSTANCE: when carrying out oxidized lead ore processing, sulfidizing is performed in crushing stage at 60 C using sodium polysulfide as sulfidizing agent. EFFECT: enabled involvement of difficult for concentration oxidized and mixed lead ores, increased proportion of lead sulfide in pulp before flotation and therefore increased yield of lead into concentrate. 1 tbl

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RU 2 179 595 C2

Authors

Kalinin Ju.O.

Guljashinov A.N.

Antropova I.G.

Nikiforov K.A.

Khanturgaeva G.I.

Dates

2002-02-20—Published

1999-08-18—Filed