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Author (up) Demchak, J.; Morrow, T.; Skousen, J.; Donovan, J.J.; Rose, A.W. url  openurl
  Title Treatment of acid mine drainage by four vertical flow wetlands in Pennsylvania Evolution and remediation of acid-sulfate groundwater systems at reclaimed mine-sites Type Journal Article
  Year 2001 Publication Geochemistry – Exploration, Environment, Analysis Abbreviated Journal  
  Volume 1 Issue 1 Pages 71-80  
  Keywords acid mine drainage alkalinity anaerobic environment Appalachian Plateau Appalachians carbonate rocks Clearfield County Pennsylvania constructed wetlands Eh equilibrium Filson Wetlands ground water Howe Bridge Wetlands hydrology Jefferson County Pennsylvania limestone McKinley Wetlands Mill Creek watershed Moose Creek movement North America passive methods Pennsylvania pH pollution reclamation sedimentary rocks Sommerville Wetlands systems United States water treatment watersheds wetlands 22 Environmental geology 02B Hydrochemistry  
  Abstract Acid mine drainage (AMD) is a serious problem in many watersheds where coal is mined. Passive treatments, such as wetlands and anoxic limestone drains (ALDs), have been developed, but these technologies show varying treatment efficiencies. A new passive treatment technique is a vertical flow wetland or successive alkalinity producing system (SAPS). Four SAPS in Pennsylvania were studied to determine changes in water chemistry from inflow to outflow. The Howe Bridge SAPS removed about 130 mg l (super -1) (40%) of the inflow acidity concentration and about 100 mg l (super -1) (60%) iron (Fe). The Filson 1 SAPS removed 68 mg l (super -1) (26%) acidity, 20 mg l (super -1) (83%) Fe and 6 mg l (super -1) (35%) aluminium (Al). The Sommerville SAPS removed 112 mg l (super -1) (31%) acidity, exported Fe, and removed 13 mg l (super -1) (30%) Al. The McKinley SAPS removed 54 mg l (super -1) (91%) acidity and 5 mg l (super -1) (90%) Fe. Acid removal rates at our four sites were 17 (HB), 52 (Filson1), 18 (Sommerville) and 11 (McKinley) g of acid per m (super 2) of surface wetland area per day (g/m (super 2) d (super -1) ). Calcium (Ca) concentrations in the SAPS effluents were increased between 8 and 57 mg l (super -1) at these sites. Equilibrators, which were inserted into compost layers to evaluate redox conditions at our sites, showed that reducing conditions were generally found at 60 cm compost depths and oxidized conditions were found at 30 cm compost depths. Deeply oxidized zones substantiated observations that channel flow was occurring through some parts of the compost. The Howe Bridge site has not declined in treatment efficiency over a six year treatment life. The SAPS construction costs were equal to about seven years of NaOH chemical treatment costs and 30 years of lime treatment costs. So, if the SAPS treatment longevity is seven years or greater and comparable effluent water quality was achieved, the SAPS construction was cost effective compared to NaOH chemical treatment. Construction recommendations for SAPS include a minimum of 50 cm of compost thickness, periodic replacement or addition of fresh compost material, and increasing the number of drainage pipes underlying the limestone.  
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  ISSN 1467-7873 ISBN Medium  
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  Notes Treatment of acid mine drainage by four vertical flow wetlands in Pennsylvania Evolution and remediation of acid-sulfate groundwater systems at reclaimed mine-sites; 2002-008380; References: 15; illus. incl. 5 tables United Kingdom (GBR); GeoRef; English Approved no  
  Call Number CBU @ c.wolke @ 16518 Serial 58  
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Author (up) Dempsey, B.A.; Jeon, B.-H. url  openurl
  Title Characteristics of sludge produced from passive treatment of mine drainage Type Journal Article
  Year 2001 Publication Geochem.-Explor. Environ. Anal. Abbreviated Journal  
  Volume 1 Issue 1 Pages 89-94  
  Keywords acid mine drainage; aerobic environment; anaerobic environment; Appalachian Plateau; Appalachians; carbonate rocks; coagulation; compressibility; decontamination; density; drainage; filtration; geochemistry; Howe Bridge; Jefferson County Pennsylvania; limestone; mining geology; North America; passive systems; Pennsylvania; pH; pollution; ponds; rates; reclamation; sedimentary rocks; settling; sludge; slurries; suspended materials; United States; viscosity; wet packing density; wetlands; zeta-potential 22, Environmental geology  
  Abstract In the 1994 paper by Brown, Skousen & Renton it was argued that settleability and wet-packing density were the most important physical characteristics of sludge from treatment of mine drainage. These characteristics plus zeta-potential, intrinsic viscosity, specific resistance to filtration, and coefficient of compressibility were determined for several sludge samples from passive treatment sites and for several sludge samples that were prepared in the laboratory. Sludge from passive systems had high packing density, low intrinsic viscosity, low specific resistance to filtration and low coefficient of compressibility compared to sludge that was produced after addition of NaOH.  
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  Notes Feb.; Characteristics of sludge produced from passive treatment of mine drainage; 2002-008382; References: 29; illus. incl. 5 tables United Kingdom (GBR); GeoRef; English Approved no  
  Call Number CBU @ c.wolke @ 5734 Serial 57  
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Author (up) Jage, C.R.; Zipper, C.E. openurl 
  Title Acid-mine drainage treatment using successive alkalinity-producing systems Type RPT
  Year 2000 Publication Abbreviated Journal  
  Volume Issue Pages  
  Keywords acid mine drainage; alkalinity; Appalachians; carbonate rocks; decontamination; dissolved materials; dissolved oxygen; limestone; North America; oxygen; pH; pollution; reclamation; sedimentary rocks; United States; Virginia; waste management; water treatment 22, Environmental geology  
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  Series Editor Virginia Polytechnic Institute and State University, P.R.P.B.V.A.U.S. Series Title Powell River Project research and education program reports Abbreviated Series Title  
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  Notes Acid-mine drainage treatment using successive alkalinity-producing systems; 2002-029549; GeoRef; English; References: 12; illus. incl. 2 tables U. S. Geological Survey, Library, Reston, VA, United States Approved no  
  Call Number CBU @ c.wolke @ 5882 Serial 343  
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Author (up) Meek, F.A., Jr.; Skousen, J.G.; Ziemkiewicz, P.F. openurl 
  Title Evaluation of acid prevention techniques used in surface mining Type Book Chapter
  Year 1996 Publication Acid mine drainage control and treatment Abbreviated Journal  
  Volume Issue Pages  
  Keywords acidic composition; acidification; Allegheny Mountains; Appalachians; central West Virginia; coal mines; controls; environmental analysis; environmental management; ground water; lime; mines; North America; phosphates; pollution; preventive measures; reclamation; remediation; spoils; surface water; United States; Upshur County West Virginia; water quality; water treatment; West Virginia 22, Environmental geology  
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  Publisher West Virginia University and the National Mine Land Reclamation Center Place of Publication Morgantown Editor  
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  Notes Evaluation of acid prevention techniques used in surface mining; GeoRef; English; 2004-051150; Edition: 2 References: 5; illus. incl. 2 tables Approved no  
  Call Number CBU @ c.wolke @ 6360 Serial 301  
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Author (up) Nairn, R.W.; Hedin, R.S. openurl 
  Title Designing wetlands for the treatment of polluted coal mine drainage Type Book Chapter
  Year 1992 Publication Wetlands; proceedings of the 13th annual conference; Society of Wetland Scientists Abbreviated Journal  
  Volume Issue Pages 224-229  
  Keywords acidic composition; alkalinity; Appalachian Plateau; Appalachians; biodegradation; carbonate rocks; chemical properties; coal mines; constructed wetlands; construction; limestone; mine drainage; mines; North America; Pennsylvania; pollutants; pollution; reclamation; remediation; sedimentary rocks; United States; western Pennsylvania; wetlands 22, Environmental geology  
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  Publisher Place of Publication Editor Landin, M.C.  
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  Notes Designing wetlands for the treatment of polluted coal mine drainage; GeoRef; English; 1996-062750; 13th annual conference of the Society of Wetland Scientists, New Orleans, LA, United States, May 31-June 6, 1992 References: 7 Approved no  
  Call Number CBU @ c.wolke @ 6720 Serial 289  
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