Arsenic separation technology
Recovery from arsenopyrite-rich tungsten ore beneficiation of scheelite.
Sulphide ore flotation
Tungsten ore ore crushing, grinding, flotation of sulfide ore and sulfide ore containing arsenopyrite flotation tailings;
Roughing of the scheelite
Add to catch the closing agent sulfated oleic acid soap sulfide ore flotation tailings with sodium carbonate, sodium silicate, mixing, stirring, roughing, selected scavenger, was rougher tail of the crude concentrate of the scheelite and scheelite mine.
The characteristics of scheelite roughing
The process is simple, used in pharmaceutical processing, low cost, high recovery rate of tungsten, and access to recovery was 80 to 90 percent crude concentrate containing WO3 4 ~ 10% scheelite.
Scheelite recovery from arsenopyrite-rich tungsten ore beneficiation methods, characterized by beneficiation methods of the present invention is so composed by the following steps:
Tungsten ore ore crushing, grinding to-0.074mm accounted for 80 to 85 percent, flotation of sulfide ore and sulphide ore flotation tailings containing arsenopyrite-based;
Sulfide flotation tailings per ton of ore of tungsten ore weight, from 1000 to 2000 g with sodium carbonate, sodium silicate from 2000 to 8000 g, after mixing, add catch the collecting agent of sulfated oleic acid soap from 200 to 1000 g, stirring a ~~ 8 minutes, roughing after 1, 2 to 4 times selected, 2 or 3 times swept the election, be coarse scheelite concentrate and the scheelite coarse tailings.
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