Chapter
Apr 26, 2012
Effect of Acid Mine Drainage on Aluminum Release from Clay Minerals
Publication: World Environmental and Water Resources Congress 2009: Great Rivers
Abstract
Aluminum is an environmentally toxic material found in some acid mine drainage (AMD) locations. Data reported from over 150 different mine drainage samples across USA showed that over 30% of these locations presented minimum dissolved aluminum concentrations of 50 mg/L, elucidating that aluminum pollution must be taken seriously. Research underway at the University of Pittsburgh involves an AMD site where a former trout fishery stream has been ruined. The evolution of the aluminum in this AMD, released from a subsurface environment, suggested a first stage dominated by first order kinetics of exchange reactions on clay surfaces, followed by a second stage dominated by dissolution processes with lower rates that exist over a long term. Results from a batch experiment involving synthetic AMD and kaolin minerals were in concordance with this analysis.
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Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Acids
- Aluminum (chemical)
- Chemical compounds
- Chemical elements
- Chemical properties
- Chemicals
- Chemistry
- Clays
- Data collection
- Drainage
- Engineering fundamentals
- Environmental engineering
- Geomechanics
- Geotechnical engineering
- Heavy metals
- Irrigation engineering
- Methodology (by type)
- Minerals
- Pollution
- Research methods (by type)
- Soil mechanics
- Soil pollution
- Soil properties
- Soils (by type)
- Toxicity
- Water and water resources
Authors
Affiliations
S.M.ASCE
Civil and Environmental Engineering Department, University of Pittsburgh, Pittsburgh, PA. E-mail: [email protected]
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.