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Basic Technical IVT Commonly tested

Acid generation potential

noun

Pronunciation: /ˈæs.ɪd ˌdʒɛn.ə.ˈreɪ.ʃən pəˈtɛn.ʃəl/

The inherent capacity of mine materials, particularly sulfide-bearing rock and tailings, to produce sulfuric acid through oxidation processes when exposed to water and oxygen after mining ceases. Assessment of acid generation potential is critical for predicting long-term water quality impacts and designing appropriate reclamation strategies.

Plain English

The ability of mine rocks and waste to produce sulfuric acid when exposed to water and air after mining ends.

Etymology & History

Origin languageLatin, French, English
Rootacidus (sour) + generare (to produce) + potentia (power)
First recorded use1980s
Usage frequencyVery common

Usage

"Geochemical testing determined that 40% of the tailings had high acid generation potential, requiring sealed containment during reclamation."

Style guide notes: Distinguish between acid generation potential and neutralization capacity when discussing geochemical characterization results.

Also known as

acid-forming capacity sulfide oxidation potential PAG rating

Contrasted with

acid neutralization capacity benign materials

Related Terms

Frequently Asked Questions

How is acid generation potential measured?

Laboratory tests including Net Acid Production Potential (NAPP), static tests, and kinetic tests determine acid-forming capacity.

Why is predicting acid generation important?

It enables design of preventive measures like encapsulation or treatment systems to minimize acid mine drainage impacts.

Why Test Candidates on This?

Core concept in professional certifications for mine reclamation engineers requiring expertise in predictive geochemical assessment.

Required skill level: Senior

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