💧 LOW-T TOPIC 7: ACID MINE DRAINAGE

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8 Terms

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AMD definition

acidic metal-rich drainage from sulphide oxidation

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Pyrite oxidation

produces acidity and dissolved Fe

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Metal mobilisation

low pH increases solubility

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Iron oxyhydroxide formation

secondary minerals sorb metals

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Environmental impact

ecosystem and water quality damage

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Remediation relevance

sorption and precipitation reduce mobility

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Fun exam fact

AMD chemistry evolves downstream

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Diagram card – AMD

pH vs metal concentration downstream