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DRAINAGE NEUTRE CONTAMINE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2026-02-05

English

Subject field(s)
  • Mine Water Drainage
  • Pollutants
CONT

Neutral mine drainage (NMD) is ... down-gradient runoff from sulphidic source materials that are undergoing oxidation following the subsequent reaction with neutralising minerals such as carbonates; this results in water with circumneutral pH, high hardness and high sulphate levels.

French

Domaine(s)
  • Écoulement et épuisement des eaux de mines
  • Agents de pollution
CONT

L'instabilité chimique des minéraux sulfureux dans les résidus de concentrateur et les stériles de mine, suite à l'exposition à l'air et à l'eau, peut entraîner la formation du drainage minier(DM). Le DM est appelé drainage minier acide(DMA), lorsque le pH est acide [...], et drainage neutre contaminé(DNC), lorsque le pH est près de la neutralité.

Spanish

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