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Author |
Taylor, J.; Waters, J. |
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Title |
Treating ARD; how, when, where and why |
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Journal Article |
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2003 |
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Mining Environmental Management |
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11 |
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3 |
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6-9 |
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acid mine drainage; acid rock drainage; acidification; alkalinity; carbonate rocks; chemical properties; chemical reactions; coal; disposal barriers; economics; flocculation; ground water; heavy metals; human activity; ion exchange; limestone; mines; oxidation; oxides; permeability; pollution; porosity; pyrolusite; remediation; sedimentary rocks; surface water; waste disposal; waste management; water pollution; water treatment; wetlands 22, Environmental geology |
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0969-4218 |
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Treating ARD; how, when, where and why; 2004-045038; References: 8; illus. incl. 2 tables United Kingdom (GBR); GeoRef; English |
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CBU @ c.wolke @ 5528 |
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225 |
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Author |
Swoboda-Colberg, N.; Colberg, P.; Smith, J.L. |
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Title |
Constructed vertical flow aerated wetlands |
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RPT |
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Year |
1994 |
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acid mine drainage; aeration; Butte Montana; carbonate rocks; case studies; clastic sediments; Clear Creek County Colorado; Colorado; construction; controls; fluid dynamics; gravel; heavy metals; Idaho Springs Colorado; limestone; Montana; pollution; rates; sedimentary rocks; sediments; Silver Bow County Montana; substrates; tailings; United States; waste water; water; water management; water quality; water treatment; wetlands 22, Environmental geology |
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In the report, wetland technology is described in which the main reactive layer is limestone gravel (rather than organic material) which is overlain by a fine gravel filter and soil. The three-year project included laboratory and field studies. Vertical aerated wetlands, simulated by columns, constructed in the field and in the laboratory, were operated during the project. The report presents a summary of results given in previous reports and summaries of results obtained using water from Butte, MT, and field studies at the Rockford Tunnel, near Idaho Springs, CO. |
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University of Wyoming, L.W.Y.U.S. performer |
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Constructed vertical flow aerated wetlands; 1998-003373; GeoRef; English; Final report. Grant DI-196561 National Technical Information Service, (703)605-6000, order number PB96-196811NEG, Springfield, VA, United States |
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CBU @ c.wolke @ 6506 |
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226 |
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Author |
Stoddard, C.K. |
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Title |
Abatement Of Mine Drainage Pollution By Underground Precipitation |
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Journal Article |
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Year |
1973 |
Publication |
Environmental protection technology series |
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125 |
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Laboratory tests with synthetic acid mine water show the sealing effect of the gelatinous precipitate that forms when hydrated lime or powdered limestone is added in a simulated mine entry closed by a porous barrier.^Field tests were conducted in a recently abandoned coal mine.^Hydrated lime and limestone slurries were pumped into the mine water behind rubble barriers through 2-inch steel pipes to test the laboratory findings.^The outflow was observed at weirs attached to the ends of two 12-inch diameter drain pipes.^The results indicated that only temporary sealing of the outflow was achieved and that neutralization took place when the interior water flow conditions were favorable. |
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Abatement Of Mine Drainage Pollution By Underground Precipitation; Washington, DC; U. S. Government Print. Office; Opac |
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CBU @ c.wolke @ 6927 |
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229 |
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Author |
Stefanoff, J.G.; Kim, Y.K. |
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Title |
Reduction of leachability of heavy metals in acid mine drainage |
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Journal Article |
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Year |
1994 |
Publication |
J. Environ. Sci. Health Part A Environ. Sci. Eng. |
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29 |
Issue |
2 |
Pages |
371-388 |
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1 Geography |
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The leaching characteristics of sludges from the treatment of acid mine drainage(AMD) from Iron Mountain Mine near Redding, California were compared using two different processes: caustic soda treatment and a modified lime/sulfide treatment process. The modified lime/sulfide process produced a sludge with better dewaterability characteristics than sludge from the caustic soda process. The results of the Cal WET indicated that the modified lime/sulfide process sludge had less leachability than that of sludge from the caustic soda process. Both processes could achieve a substantial reduction of heavy metals in leachate to levels below the federal regulatory limits(TCLP). For cadmium and zinc, however, neither process produced a sludge that met the requirements of the Cal WET procedure. |
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CH2M HILL, 2525 Airpark Drive, Redding, CA 96001 |
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Reduction of leachability of heavy metals in acid mine drainage; (1009849); 93x-00709; Using Smart Source Parsing; Geobase |
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Call Number |
CBU @ c.wolke @ 17564 |
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231 |
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Author |
St-Arnaud, L.C. |
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Title |
Water covers for the decommissioning of sulfidic mine tailings impoundments |
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Book Chapter |
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Year |
1994 |
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Special Publication – United States. Bureau of Mines, Report: BUMINES-SP-06A-94 |
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279-287 |
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acid mine drainage; experimental studies; laboratory studies; leaching; metals; monitoring; pollution; remediation; seepage; sulfides; tailings; waste disposal; water quality 22, Environmental geology |
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Proceedings of the International land reclamation and mine drainage conference and Third international conference on The abatement of acidic drainage; Volume 1 of 4; Mine drainage |
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Water covers for the decommissioning of sulfidic mine tailings impoundments; GeoRef; English; 2007-045181; International land reclamation and mine drainage conference and Third international conference on The abatement of acidic drainage, Pittsburgh, PA, United States, April 24-29, 1994 References: 13; illus. |
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CBU @ c.wolke @ 6586 |
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232 |
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