Neutralization Circuit
nounPronunciation: /ˌnjuːtrəlaɪˈzeɪʃən ˈsɜrkɪt/
A treatment system using alkaline materials or processes to raise pH and precipitate dissolved metals from acidic mine drainage or process waters. Common neutralizing agents include lime, limestone, and caustic soda applied in sequential reaction chambers.
Plain English
Equipment that adds alkaline chemicals to acidic mine water to remove harmful metals and make it safer.
Etymology & History
Usage
"The neutralization circuit required regular lime addition to maintain pH between 8 and 9 for effective metal precipitation."
Style guide notes: Capitalize when referring to specific named system; use lowercase in general descriptive contexts.
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Related Terms
Frequently Asked Questions
What chemicals are used in neutralization circuits?
Lime, limestone, sodium hydroxide, and soda ash are common alkaline agents selected based on cost and site conditions.
Why is pH control critical in these systems?
Proper pH ranges ensure maximum metal precipitation efficiency and prevent secondary contamination from excess chemicals.
Why Test Candidates on This?
Essential for water treatment module in mine reclamation and environmental engineering certifications.
Required skill level: Mid