Metal-rich solution

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#Caused by leaching. The metal bearing solution is then called leachate.
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*Caused by leaching. The metal bearing solution is then called leachate.
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#Applied leaching
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**Applied leaching
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Pregnant leach solution (PLS) – leachate from applied leaching operations intended for subsequent metal recovery
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***Pregnant leach solution (PLS) – leachate from applied leaching operations intended for subsequent metal recovery
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Bleed from metal production processes – a solution taken from a closed process stream in order to remove unwanted metal ions that otherwise would build up to high levels
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***Bleed from metal production processes – a solution taken from a closed process stream in order to remove unwanted metal ions that otherwise would build up to high levels
ARD
ARD
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Natural
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**Natural
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Anthropogenic
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***Anthropogenic
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Not caused by leaching
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***Not caused by leaching
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Industrial effluents and by-products
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***Industrial effluents and by-products

Revision as of 09:45, 28 June 2007

Definition

A solution containing solubilized metal ions.


Origin

  • Caused by leaching. The metal bearing solution is then called leachate.
    • Applied leaching
      • Pregnant leach solution (PLS) – leachate from applied leaching operations intended for subsequent metal recovery
      • Bleed from metal production processes – a solution taken from a closed process stream in order to remove unwanted metal ions that otherwise would build up to high levels

ARD

    • Natural
      • Anthropogenic
      • Not caused by leaching
      • Industrial effluents and by-products
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