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Author Cravotta, C.A., III; Watzlaf, G.R.; Naftz, D.L.; Morrison, S.J.; Fuller, C.C.; Davis, J.A.
Title Design and performance of limestone drains to increase pH and remove metals from acidic mine drainage Handbook of groundwater remediation using permeable reactive barriers; applications to radionuclides, trace metals, and nutrients Type (up) Book Chapter
Year 2002 Publication Abbreviated Journal
Volume Issue Pages
Keywords acid mine drainage; alkaline earth metals; aquatic environment; aquifers; calcium; carbonate rocks; chemical properties; construction; construction materials; crushed stone; dissolved materials; drainage; effluents; ground water; limestone; magnesium; metals; pH; pollution; porous materials; precipitation; retention; saturation; sedimentary rocks; sulfate ion; suspended materials 22, Environmental geology
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Publisher Academic Press Place of Publication Amsterdam Editor
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ISSN ISBN 0125135637 Medium
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Notes Design and performance of limestone drains to increase pH and remove metals from acidic mine drainage Handbook of groundwater remediation using permeable reactive barriers; applications to radionuclides, trace metals, and nutrients; GeoRef; English; 2004-040518; References: 66; illus. incl. 4 tables Approved no
Call Number CBU @ c.wolke @ 5686 Serial 81
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Author Ziemkiewicz, P.F.; Meek, F.A., Jr.; Skousen, J.G.; Ziemkiewicz, P.F.
Title Long term behavior of acid forming rock; results of 11-year field studies Type (up) Book Chapter
Year 1996 Publication Acid mine drainage control and treatment Abbreviated Journal
Volume Issue Pages
Keywords acid mine drainage; acid rock drainage; alkaline earth metals; alkalinity; calcium; chemical composition; clastic rocks; coal mines; leachate; metals; mines; pH; pollution; prediction; reclamation; remediation; sandstone; sedimentary rocks; shale; spoils; sulfate ion; sulfur; United States; Upshur County West Virginia; waste disposal; waste rock; weathered materials; weathering; 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 Long term behavior of acid forming rock; results of 11-year field studies; GeoRef; English; 2004-051147; Edition: 2 References: 9; illus. incl. 1 table Approved no
Call Number CBU @ c.wolke @ 6357 Serial 190
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Author Kepler, D.A.; Mc Cleary, E.C.
Title Successive Alkalinity-Producing Systems (SAPS) for the Treatment of Acid Mine Drainage Type (up) Journal Article
Year 1994 Publication Proceedings, International Land Reclamation and Mine Drainage Conference Abbreviated Journal
Volume 1 Issue Pages 195-204
Keywords acid mine drainage; alkalinity; anaerobic environment; calcium carbonate; chemical reactions; experimental studies; pH; pollutants; pollution; remediation; water quality SAPS mine water RAPS
Abstract Constructed wetland treatment system effectiveness has been limited by the alkalinity-producing, or acidity-neutralizing, capabilities of systems. Anoxic limestone drains (ALD's) have allowed for the treatment of approximately 300 mg/L net acidic mine drainage, but current design guidance precludes using successive ALD's to generate alkalinity in excess of 300 mg/L because of concerns with dissolved oxygen. “Compost” wetlands designed to promote bacterially mediated sulfate reduction are suggested as a means of generating alkalinity required in excess of that produced by ALD's. Compost wetlands create two basic needs of sulfate reducing bacteria; anoxic conditions resulting from the inherent oxygen demand of the organic substrate, and quasi-circumneutral pH values resulting from the dissolution of the carbonate fraction of the compost. However, sulfate reduction treatment area needs are generally in excess of area availability and/or cost effectiveness. Second generation alkalinity-producing systems demonstrate that a combination of existing treatment mechanisms has the potential to overcome current design concerns and effectively treat acidic waters ad infinitum. Successive alkalinity-producing systems (SAPS) combine ALD technology with sulfate reduction mechanisms. SAPS promote vertical flow through rich organic wetland substrates into limestone beds beneath the organic compost, discharging the pore waters. SAPS allow for conservative wetland treatment sizing calculations to be made as a rate function based on pH and alkalinity values and associated contaminant loadings. SAPS potentially decrease treatment area requirements and have the further potential to generate alkalinity in excess of acidity regardless od acidity concentrations.
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Notes Successive Alkalinity-Producing Systems (SAPS) for the Treatment of Acid Mine Drainage; Cn, Kj, Aj; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/9722.pdf; AMD ISI | Wolkersdorfer Approved no
Call Number CBU @ c.wolke @ 9722 Serial 55
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Author Simmons, J.A.; Andrew, T.; Arnold, A.; Bee, N.; Bennett, J.; Grundman, M.; Johnson, K.; Shepherd, R.
Title Small-Scale Chemical Changes Caused by In-stream Limestone Sand Additions to Streams Type (up) Journal Article
Year 2006 Publication Mine Water Env. Abbreviated Journal
Volume 25 Issue 4 Pages 241-245
Keywords acid mine drainage aluminum calcium limestone sand sediment stream liming West Virginia
Abstract In-stream limestone sand addition (ILSA) has been employed as the final treatment for acid mine drainage discharges at Swamp Run in central West Virginia for six years. To determine the small-scale longitudinal variation in stream water and sediment chemistry and stream biota, we sampled one to three locations upstream of the ILSA site and six locations downstream. Addition of limestone sand significantly increased calcium and aluminum concentrations in sediment and increased the pH, calcium, and total suspended solids of the stream water. Increases in alkalinity were not significant. The number of benthic macroinvertebrate taxa was significantly reduced but there was no effect on periphyton biomass. Dissolved aluminum concentration in stream water was reduced, apparently by precipitation into the stream sediment.
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ISSN 1025-9112 ISBN Medium
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Notes Small-Scale Chemical Changes Caused by In-stream Limestone Sand Additions to Streams; 1; FG 4 Abb., 2 Tab.; AMD ISI | Wolkersdorfer Approved no
Call Number CBU @ c.wolke @ 17420 Serial 248
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Author Hayward, D.; Barnard, R.
Title Treatment of acid mine wastewaters. Behandlung saurer Grubenwässer Type (up) Journal Article
Year 1993 Publication World Mining Equipment Abbreviated Journal
Volume 17 Issue 6 Pages 36-37
Keywords Wasseraufbereitung Abwasserbehandlung chemische-Abwasserreinigung Grubenentwässerung Ausfällung Schwermetalle Calciumcarbonat pH-Wert Wasserreinhaltung Grubenwasser
Abstract Überblick über einschlägige Verfahren zum Ausfällen der sauren Betandteile, Entfernen der Schwermetalle, und Einstellen des pH-Wertes auf einen Wert von 6 bis 9. Hauptsächliche Verfahren zum Ausfällen sind: Ausfällen mit Kalkhydrat (Ca(OH)2), mit Kalkstein, Calcium- oder Natriumsulfid. Durch Abtrennen des Niederschlages in einem Kläreindicker und zusätzliche Reinigung durch Filtrieren kann ein Anteil von 90% der unlöslichen Schwermetallverbindungen entfernt werden. Allgemein wird mit diesem Verfahren ein Standardgehalt von 5 mg/l erreicht. Durch zusätzliche Anwendung physikochemischer Verfahren kann der Schwermetallgehalt weiter gesenkt werden: Mikrofiltration, Umkehrosmose, Elektrodialyse, Ionenaustausch, biochemische und spezielle chemische Verfahren können je nach Eigenart der Grubenwässer verwendet werden.
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ISSN 0746-729x ISBN Medium
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Notes Treatment of acid mine wastewaters. Behandlung saurer Grubenwässer; 4737, BERG , 01.01.93; Words: 328; M9311 6018 586; 2 Seiten, 2 Bilder 3UXX *Belastung von Wasser, Wasserreinhaltung, Abwasser* 3MZ *Bergbau, Tunnelbau, Erdöl /Erdgasförderung, Bohrtechnik* 3PH *Trennen fest/flüssig/gasförm. Stoffe, dispers. Stoffsysteme*; BERG, Copyright FIZ Technik e.V.; EN Englisch Approved no
Call Number CBU @ c.wolke @ 17612 Serial 358
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