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  2. Bioleaching - Wikipedia

    en.wikipedia.org/wiki/Bioleaching

    Bioleaching is the extraction or liberation of metals from their ores through the use of living organisms.Bioleaching is one of several applications within biohydrometallurgy and several methods are used to treat ores or concentrates containing copper, zinc, lead, arsenic, antimony, nickel, molybdenum, gold, silver, and cobalt.

  3. Carbonate-hosted lead-zinc ore deposits - Wikipedia

    en.wikipedia.org/wiki/Carbonate-hosted_lead-zinc...

    World-wide distribution of MVT deposits (red), clastic sediment-hosted (green), and unclassified (blue) lead-zinc deposits. Source: USGS. Carbonate-hosted lead-zinc ore deposits are important and highly valuable concentrations of lead and zinc sulfide ores hosted within carbonate (limestone, marl, dolomite) formations and which share a common genetic origin.

  4. Rampura Agucha - Wikipedia

    en.wikipedia.org/wiki/Rampura_Agucha

    Rampura Agucha is a zinc-lead sulfide deposit that is located ... Water is also retrieved from the ... 1.36 cubic meters per tonne of metal in 2003 to only 0.66 cubic ...

  5. Simultaneously extracted metals and acid-volatile sulfide

    en.wikipedia.org/wiki/Simultaneously_extracted...

    When dissolved in water, sulfide has a high affinity for numerous heavy metal ions. [5] That is, the solubility-product constants (K sp ) for the sulfides of these metals are very small, meaning they will precipitate as solids when a heavy metal ion and sulfide ion come into contact, as in Equation 2, where M 2+ is a generic metal in the +2 ...

  6. Fish, milk ... and zinc? Questions arise over possibly toxic ...

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  7. Sedimentary exhalative deposits - Wikipedia

    en.wikipedia.org/wiki/Sedimentary_exhalative...

    The fluids derived their salinity from the evaporation of seawater and may have been mixed with meteoric water and pore water squeezed out of the sediments. [8] [7] Metals such as lead, copper and zinc are found in a trace amount in clastic and magmatic rocks. Saline waters may reach temperatures higher than 200°C in deeper parts of the basin.

  8. Cupellation - Wikipedia

    en.wikipedia.org/wiki/Cupellation

    16th century cupellation furnaces (per Agricola). Cupellation is a refining process in metallurgy in which ores or alloyed metals are treated under very high temperatures and subjected to controlled operations to separate noble metals, like gold and silver, from base metals, like lead, copper, zinc, arsenic, antimony, or bismuth, present in the ore.

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    related to: where to get zinc sulfide in water test positive for lead metal in fish