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Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Paul F. Ziemkiewicz, Ph.D. Director Director National Mine Land Reclamation Center National Mine Land Reclamation Center West Virginia University West Virginia University

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Page 1: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Coal Mine Remediation Methods,

Closure Technologies

Paul F. Ziemkiewicz, Ph.D.Paul F. Ziemkiewicz, Ph.D.

DirectorDirector

National Mine Land Reclamation CenterNational Mine Land Reclamation Center

West Virginia UniversityWest Virginia University

Page 2: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center
Page 3: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Treatment Methods

Direct acid neutralization methodsDirect acid neutralization methods

Indirect treatmentIndirect treatment

Engineered barriers/coversEngineered barriers/covers

Page 4: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center
Page 5: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center
Page 6: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center
Page 7: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Georges Creek Stream Sealing

Project

Page 8: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Ocean Coal Refuse Stabilization

Project

Page 9: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Vindex Coal Waste Stabilization Project

Page 10: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Glotfelty - Before Reclamation

Page 11: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Glotfelty Reclamation Plan

Page 12: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Post-Construction

Page 13: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Constructed Wetland, Alabama

Page 14: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Open Limestone Channel

Page 15: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Freshwater Limestone Leach bed

Page 16: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Results of Limestone Leach bedspH was 4.2; now 7.1

Page 17: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Steel Slag

Page 18: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center
Page 19: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Steel Slag Leachbed at McCarty Highwall site

Page 20: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Weir 11 discharge on Casselmen

River, 1995

Page 21: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center
Page 22: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Limestone Foundation Drain

Page 23: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Weir 11 discharge, 1996

Page 24: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Limestone Leachbed

Acmar, AL Site Prior to Reclamation

Page 25: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Diagram of Treatment System at Acmar, AL

Limestone Leach Bed

Limestone Leach Bed

Inflow

Page 26: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Acmar Internal Leachbed

Page 27: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Catchment pond below steel slag

capped refuse pile in compliance

Page 28: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Steel slag

Soil

Refuse

Steel Slag cap on Refuse Pile

Page 29: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Pit Floor and Highwall Barrier – FBC Ash

Page 30: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

FBC Ash being delivered to pit floor

Page 31: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

LimeLime DosersDosers

AquafixBoxholm

Pumpkonsult

Page 32: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Return of Life

Page 33: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

TREE SURVIVAL ON A MOUNTAINTOP

SURFACE MINE IN WEST VIRGINIA

Page 34: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Samples Mine Complex

Page 35: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Second Year Growth, Samples Mine

Page 36: Coal Mine Remediation Methods, Closure Technologies · Coal Mine Remediation Methods, Closure Technologies Paul F. Ziemkiewicz, Ph.D. Director National Mine Land Reclamation Center

Acid Lake: Gorbi Mine, Singrauli, U.P.