Gary Anderson, ARIPPA, Ebensburg Power, "23 Years of Abandoned Mine Reclamation"
•Télécharger en tant que PPTX, PDF•
0 j'aime•1,142 vues
This presentation will describe how our planet operates and will summarize the impact AML reclamation has had on the local environment and the communities in Revloc and Nandy Glo, and the expected impact of the next AML reclamation project.
Recommandé
Recommandé
Contenu connexe
Tendances
Tendances (20)
Similaire à Gary Anderson, ARIPPA, Ebensburg Power, "23 Years of Abandoned Mine Reclamation"
Similaire à Gary Anderson, ARIPPA, Ebensburg Power, "23 Years of Abandoned Mine Reclamation" (20)
Plus de Michael Hewitt, GISP
Plus de Michael Hewitt, GISP (20)
Dernier
Dernier (20)
Gary Anderson, ARIPPA, Ebensburg Power, "23 Years of Abandoned Mine Reclamation"
- 1. Ebensburg Power Company Twenty-Three Years of Abandoned Mine Reclamation In Western Pennsylvania
- 4. Ebensburg Power Company • Consume about 500,000 tons coal refuse/year since initial operation – 10,700,000 tons • Utilize about 480,000 tons ash/year for beneficial use • Neutralize about 15,000,000 lb/year of sulfuric acid with beneficial use ash – since initial operation about 250,000,000 lbs • Remove about 46,000,000 lbs/year of sulfuric acid away from PA waterways - since initial operation about 1,000,000,000 lbs
- 5. Revloc Refuse Site Pre Reclamation 1989
- 6. Revloc I and II Coal Refuse Sites • Approximately 86 acres of land • About 4,000,000 tons of coal refuse • Initial operation 1990 • Reclamation completed 2012 • Removed about 3,000,000 tons coal refuse • Total cost $24,000,000 or $280,000/acre • Site Available for Industrial Development
- 7. Revloc Refuse Site Active Reclamation 1999
- 8. Revloc Refuse Site March 2004
- 9. Revloc Refuse Site 2010 Revloc Final Reclamation 2010
- 10. Revloc Sites After Reclamation • Baseline Pollution Load Reduction to South Branch Blacklick Creek – 93% reduction in acidity – 92% reduction in iron – 71% reduction in manganese – 95% reduction in aluminum • Restoration of aquatic life to approximately six miles of stream
- 11. Nanty Glow East & West March 2004
- 12. Nanty Glo West March 2004
- 13. Nanty Glo East March 2004
- 14. Nanty Glo West and East • Approximately 100 acres of land • Located along Pergrin Run – Kiski-Conemaugh • About 3,500,000 tons of coal refuse • Initial operation 2005 • Reclamation completed ???? • Removed about 1,700,000 tons coal refuse to date • Total cost to date $23,000,000
- 15. Nanty Glo West and East 2013
- 17. Nanty Glo West Reclamation Impact on Pergrin Run To Date • Baseline Pollution Load Reduction to Pergrin Run – 95% reduction in acidity – 93% reduction in iron – 29% reduction in manganese – 94% reduction in aluminum • Mining parameters Before / Today ph <4 ph / >6 ph Sulfate >1000 mg/ml / <100 mg/ml Iron/aluminum >100 mg/ml / < 2 mg/ml
- 19. Mine 37
- 20. Mine 37 Coal Refuse Pile • Located along Paint Creek-tributary of Stonycreek • Approximately 63 acres of land • About 1,600,000 tons of coal refuse • Initial operation ???? • Reclamation completed 5 -8 years • Expect to remove about 1,200,000 tons of coal refuse
- 21. Mine 37- Impact on Paint Creek Watershed • Mine 37 water runoff contributes – 801 tons/yr acidity - 91% of watershed total – 94 tons/yr iron - 87% of watershed total – 33 tons/yr manganese - 93.5% of watershed total – 126 tons/yr aluminum - 95% of watershed total Values provided by Paint Creek Restoration Plan