General industrial requirements for selenium


Mineral name
Se content, %
Se-containing mineral selenide independent type of deposit
>0.08 can be used for selenium mining
Tuff or selenium gray shale pyrite
0.7~1.8 can be used for selenium mining
Copper- nickel sulfide deposit copper-nickel ore
0.0006~0.006
Copper-nickel sulfide deposit sulfide mineral
0.002~0.017
Ore in natural sulfur deposit
0.2~0.3
Volcanic rock and porphyry rock
0.002~0.005
Copper zinc ore pyrite
0.0025~0.006
Copper-bearing pyrite ore
0.0.01~0.012 (sulfide 0.1)
Cobalt or strontium telluride -selenide type ore
0.0001~0.002
Mercury mine
0.003
Copper-bearing sand shale
0.002
Phosphorus rock
0.02
Sulfide deposit iron cap and oxidation zone ore
0.01~0.01
Uranium ore containing potassium and vanadium and uranium ore deposits of asphaltene and carbonaceous shale
0.002~0.01

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