Tailings Pond Closure
nounPronunciation: /ˈteɪlɪŋz pɑnd ˈkloʊʒər/
The process of sealing, dewatering, and stabilizing surface impoundments containing mining byproducts to prevent contaminant release and erosion. This involves constructing stable covers, drainage systems, and long-term monitoring infrastructure.
Plain English
The process of safely sealing and securing the large water-filled basins used to store mining waste.
Etymology & History
Usage
"The tailings pond closure project included constructing a clay-geotextile cover system and installing groundwater monitoring wells."
Style guide notes: Specify pond location and size when referencing specific closure projects.
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Frequently Asked Questions
What is the typical timeframe for a tailings pond closure project?
Projects typically require 2-5 years of construction plus 10-30 years of post-closure monitoring.
What materials are used to close tailings ponds?
Clay liners, geotextiles, soil covers, and synthetic membranes create impermeable barriers.
Why Test Candidates on This?
Essential for evaluating containment engineering and risk reduction capabilities.
Required skill level: Senior