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Leaching

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(Redirected from Leaching (disambiguation)) For the cooking term, see parboiling.

Leaching is the loss or extraction of certain materials from a carrier into a liquid (usually, but not always a solvent), and may refer to:

  • Leaching (agriculture), the loss of water-soluble plant nutrients from the soil; or applying a small amount of excess irrigation to avoid soil salinity
  • Leaching (chemistry), the process of extracting substances from a solid by dissolving them in a liquid
  • Leaching (metallurgy), a widely used extractive metallurgy technique which converts metals into soluble salts in aqueous media
    • Dump leaching, an industrial process to extract metals from ore taken directly from the mine and stacked on the leach pad without crushing
    • Heap leaching, an industrial process to extract metals from ore which has been crushed into small chunks
    • Tank leaching, a hydro metallurgical method of extracting valuable material from ore
    • In-situ leaching, a process of recovering minerals such as copper and uranium through boreholes drilled into the deposit
  • Leaching (pedology), the loss of mineral and organic solutes due to percolation from soil
  • Bioleaching, the extraction of specific metals from their ores through the use of bacteria and fungi

See also

Topics referred to by the same term Disambiguation iconThis disambiguation page lists articles associated with the title Leaching.
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