Beneficiation method for carbon-containing lead-zinc sulfide ore
A mineral processing method, carbon lead sulfide technology, applied in the direction of flotation, solid separation, etc., can solve the problem of difficult suppression of carbonaceous gangue minerals, achieve the effect of inhibiting carbon flotation, reducing carbon content, and improving mineral processing indicators
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[0034] A carbon-bearing lead-zinc mine in Inner Mongolia is used, in which the main metal minerals are sphalerite, galena and pyrite, in which the grade of zinc is 5.28%, the grade of lead is 2.23%, and the grade of iron is 8.3%. The rest of the metal minerals are low in content. Gangue minerals are mainly dolomite, calcite and organic carbon. The carbon content in the ore reaches 4.75%. The nature of the ore is complex, the symbiotic relationship between lead and zinc is close, the useful minerals lead, zinc and carbon are closely related, and the ore contains a large amount of organic carbon. These carbons have good floatability. If lead and zinc are directly flotationd during the flotation process, the carbon will inevitably enter the lead concentrate and zinc concentrate and affect the concentrate grade. Therefore, the key to solving this ore flotation lies in effective Separation of galena, sphalerite and organic carbon.
[0035] A kind of mineral processing method of ...
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