Neutral Mine Drainage Treatment
nounPronunciation: /ˈnjuːtrəl maɪn ˈdreɪnɪdʒ ˈtriːtmənt/
A water treatment strategy that neutralizes acidic mine drainage by adding alkaline materials such as limestone, lime, or other pH-buffering agents. This process precipitates dissolved metals and raises pH to acceptable discharge standards.
Plain English
Adding alkaline chemicals to acidic mine water to make it neutral and remove harmful metals.
Etymology & History
Usage
"Neutral mine drainage treatment using crushed limestone reduced the iron concentration from 850 mg/L to 45 mg/L."
Style guide notes: Specify alkaline material used when possible to clarify treatment method in technical reports.
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Related Terms
Frequently Asked Questions
What alkaline materials neutralize acidic mine water?
Limestone, hydrated lime, and calcite are common alkaline materials used for neutralization.
Why is metal precipitation important in treatment?
Metal precipitation removes toxic elements from solution before discharge into receiving waters.
Why Test Candidates on This?
Critical concept for remediation design and water quality compliance in mine reclamation projects.
Required skill level: Mid