| Records |
| Author |
Benner, S.G.; Blowes, D.W.; Ptacek, C.J. |
| Title |
A full-scale porous reactive wall for prevention of acid mine drainage |
Type |
Journal Article |
| Year |
1997 |
Publication  |
Ground Water Monitoring and Remediation |
Abbreviated Journal |
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| Volume |
17 |
Issue |
4 |
Pages |
99-107 |
| Keywords |
acid mine drainage alkalinity bacteria Canada case studies concentration dissolved materials drainage Eastern Canada ground water mines observation wells Ontario permeability pH pollution porous materials recharge reduction remediation site exploration Sudbury District Ontario sulfate ion surface water waste disposal water pollution Groundwater quality Groundwater problems and environmental effects Pollution and waste management non radioactive geographical abstracts: physical geography hydrology (71 6 11) geomechanics abstracts: excavations (77 10 10) geological abstracts: environmental geology (72 14 2) groundwater protection permeable barrier acid mine drainage aquifer groundwater acid min drainage contamination permeable barrier groundwater protection permeable barrier acid mine drainage aquifer Canada, Ontario, Sudbury, Nickel Rim |
| Abstract |
The generation and release of acidic drainage containing high concentrations of dissolved metals from decommissioned mine wastes is an environmental problem of international scale. A potential solution to many acid drainage problem is the installation of permeable reactive walls into aquifers affected by drainage water derived from mine waste materials. A permeable reactive wall installed into an aquifer impacted by low-quality mine drainage waters was installed in August 1995 at the Nickel Rim mine site near Sudbury, Ontario. The reactive mixture, containing organic matter, was designed to promote bacterially mediated sulfate reduction and subsequent metal sulfide precipitation. The reactive wall is installed to an average depth of 12 feet (3.6 m) and is 49 feet (15 m) long perpendicular to ground water flow. The wall thickness (flow path length) is 13 feet (4 m). Initial results, collected nine months after installation, indicate that sulfate reduction and metal sulfide precipitation is occurring. Comparing water entering the wall to treated water existing the wall, sulfate concentrations decrease from 2400 to 4600 mg/L to 200 to 3600 mg/L; Fe concentration decrease from 250 to 1300 mg/L to 1.0 to 40 mg/L, pH increases from 5.8 to 7.0; and alkalinity (as CaCO<inf>3</inf>) increases from 0 to 50 mg/L to 600 to 2000 mg/L. The reactive wall has effectively removed the capacity of the ground water to generate acidity on discharge to the surface. Calculations based on comparison to previously run laboratory column experiments indicate that the reactive wall has potential to remain effective for at least 15 years. |
| Address |
Dr. S.G. Benner, Earth Sciences Department, University of Waterloo, Waterloo, Ont. N2L 3G1, Canada |
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| ISSN |
1069-3629 |
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| Notes |
Review; A full-scale porous reactive wall for prevention of acid mine drainage; 0337197; United-States 46; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/10621.pdf; Geobase |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 17555 |
Serial |
67 |
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| Author |
Herbert, R.B., Jr.; Benner, S.G.; Blowes, D.W. |
| Title |
Reactive barrier treatment of groundwater contaminated by acid mine drainage; sulphur accumulation and sulphide formation |
Type |
Book Chapter |
| Year |
1998 |
Publication |
Groundwater Quality: Remediation and Protection |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
451-457 |
| Keywords |
acid mine drainage Canada chemical analysis contaminant plumes Eastern Canada ground water hydraulic conductivity hydrolysis Nickel Rim Mine Ontario pH pollution porosity pyrrhotite remediation sample preparation Sudbury Basin sulfides sulfur tailings water pollution 22, Environmental geology |
| Abstract |
A permeable reactive barrier was installed in August 1995 at the Nickel Rim Mine near Sudbury, Ontario, Canada, for the passive remediation of groundwater contaminated with acid mine drainage. The reactive component of the barrier consists of a mixture of municipal and leaf compost and wood chips: the organic material promotes bacterially-mediated sulphate reduction. Hydrogen sulphide, a product of sulphate reduction, may then complex with aqueous ferrous iron and precipitate as iron sulphide. This study presents the solid phase sulphur chemistry of the reactive wall after two years of operation, and discusses the formation and accumulation of iron sulphide minerals in the reactive material. The results from the solid-phase chemical analysis of core samples indicate that there is an accumulation of reduced inorganic sulphur in the reactive wall, with levels reaching 190 mu mol g (super -1) (dry weight) by July 1997. |
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IAHS-AISH Publication, vol.250 |
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Editor |
Herbert, M.; Kovar, K. |
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ISBN |
1901502554 |
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| Notes |
Reactive barrier treatment of groundwater contaminated by acid mine drainage; sulphur accumulation and sulphide formation; GeoRef; English; 1999-065115; GQ 98 conference, Tubingen, Federal Republic of Germany, Sept. 21-24, 1998 References: 15; illus. |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 16621 |
Serial |
65 |
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| Author |
Schueck, J.H. |
| Title |
Limestone diversion wells; a low-maintenance, cost-effective method for treating acid-mine drainage with limestone |
Type |
Book Chapter |
| Year |
1995 |
Publication |
Guidebook for the Annual Field Conference of Pennsylvania Geologists, vol.60 Applied geology in the Lock Haven and Williamsport region, Clinton and Lycoming counties, northcentral Pennsylvania |
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Issue |
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Pages |
9-12 |
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acid mine drainage; Babb Creek watershed; Blossburg coal basin; carbonate rocks; ground water; hydrology; limestone; Pennsylvania; pollution; remediation; sedimentary rocks; Tioga County Pennsylvania; United States; water wells; watersheds; wells 22, Environmental geology |
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Editor |
Carnein, C.R.; Way, J.H. |
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| Notes |
Limestone diversion wells; a low-maintenance, cost-effective method for treating acid-mine drainage with limestone; GeoRef; English; 1996-018760; 60th annual field conference of Pennsylvania geologists, Williamsport, PA, United States, Oct. 5-7, 1995 References: 3; 1 table, sketch map |
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no |
| Call Number |
CBU @ c.wolke @ 6420 |
Serial |
77 |
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| Author |
Fernandez Rubio, R. |
| Title |
Un recurso valioso las aguas de mina. A valuable resource, mine waters |
Type |
Journal Article |
| Year |
2001 |
Publication |
Industria y Mineria |
Abbreviated Journal |
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| Volume |
345 |
Issue |
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Pages |
14-22 |
| Keywords |
acid mine drainage; Africa; aquifers; case studies; East Africa; Europe; ground water; hydrogeochemical exploration; hydrogeological survey; Iberian Peninsula; injection; mining; mining geology; open-pit mining; pollution; Portugal; Southern Europe; surface mining; surface water; underground mining; water supply; water treatment; Zambia 21, Hydrogeology |
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Edition |
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1137-8042 |
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| Notes |
Un recurso valioso las aguas de mina. A valuable resource, mine waters; 374358-2; illus. Spain (ESP); GeoRef In Process; Spanish |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 5784 |
Serial |
381 |
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| Author |
Palmer, J.P. |
| Title |
Reclamation and Decontamination of Metalliferous Mining Tailings |
Type |
Journal Article |
| Year |
1990 |
Publication |
Int. J. Mine Water |
Abbreviated Journal |
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| Volume |
9 |
Issue |
1-4 |
Pages |
223-235 |
| Keywords |
Britain tailings metals land reclamation environmental damage ground water surface water Wales treatment options |
| Abstract |
Parts of Britain have large accumulations of metalliferous tailings derived from mining in the lath, 19th and 20th centuries. These tailings were never subject to land reclamation schemes at the time of mining and are situated very close to water courses. They cause considerable environmental damage in terms of contamination of soils, dust blow and pollution of water courses and groundwater. In some parts of the country mine drainage is a major part of river pollution. In recent years, particularly in Wales, efforts have been made to “clean up” these sites. This has involved using techniques to isolate and contain the spoil, diversion of water courses, and the installation of water treatment facilities and drainage and the establishment of a vegetation cover. Research is also being initiated to investigate ways of decontaminating these metalliferous spoils as an alternative to using covering systems to reclaim them. |
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Edition |
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0255-6960 |
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| Notes |
Reclamation and Decontamination of Metalliferous Mining Tailings; 1; FG 2 Abb., 3 Tab.; AMD ISI | Wolkersdorfer |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 17405 |
Serial |
274 |
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