Acid mine drainage

{
  "id": "MLC-T-ENE-000006",
  "term": "Acid mine drainage",
  "field": "Energy",
  "definition": "This refers to water pollution that results when sulfur-bearing minerals associated with coal are exposed to air and water and form sulfuric acid and ferrous sulfate. The ferrous sulfate can further react to form ferric hydroxide, or yellow boy, a yellow-orange iron precipitate found in streams and rivers polluted by acid mine drainage.",
  "references": [
    "EIA Glossary"
  ],
  "url": "https://mlchart.com/terminology/energy/acid-mine-drainage/"
}