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Author |
Dempsey, B.A.; Jeon, B.-H. |
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Title |
Characteristics of sludge produced from passive treatment of mine drainage |
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Journal Article |
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2001 |
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Geochem.-Explor. Environ. Anal. |
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1 |
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1 |
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89-94 |
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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 |
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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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1467-7873 |
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Feb.; Characteristics of sludge produced from passive treatment of mine drainage; 2002-008382; References: 29; illus. incl. 5 tables United Kingdom (GBR); GeoRef; English |
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CBU @ c.wolke @ 5734 |
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57 |
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Author |
Mosher, J. |
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Title |
Heavy-metal sludges as smelter feedstock |
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1994 |
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Engineering and Mining Journal |
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195 |
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9 |
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25-30 |
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Metals Mining Groundwater Pollution USA Colorado California Gulch 3 Geology |
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Many industries produce a waste-water stream high in heavy metals. Disposal of sludge from these wastewater treatment plants has become increasingly difficult and expensive in the US due to passage of the Resource Conservation and Recovery Act's 'land disposal ban' for hazardous wastes. Innovative methods can be found for dealing with such wastes. For example, in performing a mandated clean-up under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), Asarco's California Gulch water-treatment plant in Colorado meets CERCLA clean-up goals while using a waste water treatment sludge as a smelter feedstock, recovering incidental saleable metals, and producing non-hazardous products. In this plant, Asarco treats acidic mine-drainage water having high metal concentrations and uses the waste sludge generated as a lime replacement in lead smelting operations. -Author |
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Heavy-metal sludges as smelter feedstock; (1084960); 95t-4357; Using Smart Source Parsing pp; Geobase |
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CBU @ c.wolke @ 17563 |
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293 |
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Author |
Younger, P.L. |
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Title |
Holistic remedial strategies for short- and long-term water pollution from abandoned mines |
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Journal Article |
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2000 |
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Transactions of the Institution of Mining and Metallurgy Section a-Mining Technology |
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109 |
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A210-A218 |
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abandoned mines acid mine drainage Europe mines mining planning pollution remediation United Kingdom water pollution Western Europe |
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Where mining proceeds below the water-table-as it has extensively in Britain and elsewhere-water ingress is not only a hindrance during mineral extraction but also a potential liability after abandonment. This is because the cessation of dewatering that commonly follows mine closure leads to a rise in the water-table and associated, often rapid, changes in the chemical regime of the subsurface. Studies over the past two decades have provided insights into the nature and time-scales of these changes and provide a basis for rational planning of mine-water management during and after mine abandonment. The same insights into mine-water chemistry provide hints for the efficient remediation of pollution (typically due to Fe, Mn and Al and, in some cases, Zn, Cd, Pb and other metals). Intensive treatment (by chemical dosing with enhanced sedimentation or alternative processes, such as sulphidization or reverse osmosis) is often necessary only during the first few years following complete flooding of mine voids. Passive treatment (by the use of gravity-flow geochemical reactors and wetlands) may be both more cost-effective and ecologically more responsible in the long term. By the end of 1999 a total of 28 passive systems had been installed at United Kingdom mine sites, including examples of system types currently unique to the United Kingdom. Early performance data for all the systems are summarized and shown to demonstrate the efficacy of passive treatment when appropriately applied. |
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0371-7844 |
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Holistic remedial strategies for short- and long-term water pollution from abandoned mines; Wos:000167240600013; Times Cited: 2; ISI Web of Science |
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CBU @ c.wolke @ 17458 |
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126 |
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Author |
Burnett, M.; Skousen, J.G.; Skousen, J.G.; Ziemkiewicz, P.F. |
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Title |
Injection of limestone into underground mines for AMD control |
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Book Chapter |
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1996 |
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Acid mine drainage control and treatment |
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acid mine drainage; acidification; alkalinity; carbonate rocks; chemical composition; coal fields; concentration; environmental analysis; environmental management; experimental studies; geologic hazards; ground water; hazardous waste; heavy metals; hydrology; land subsidence; limestone; mines; mining; mining geology; pH; pollution; Preston County West Virginia; reclamation; runoff; sedimentary rocks; Sovern Run Mine; surface water; underground mining; United States; waste management; water quality; West Virginia 22, Environmental geology |
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West Virginia University and the National Mine Land Reclamation Center |
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Morgantown |
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Injection of limestone into underground mines for AMD control; GeoRef; English; 2004-051160; Edition: 2 References: 2; illus. incl. 1 table |
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Call Number |
CBU @ c.wolke @ 6370 |
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427 |
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Author |
Bannister, A.F. |
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Book Whole |
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1997 |
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105-122 |
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wetland coal mining Doworth |
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Chartered Institution of Water and Environmental Management |
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London |
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Younger Paul, L. |
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Minewater Treatment Using Wetlands |
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Lagoon and reed-bed treatment of colliery shale tip water at Doworth, South Yorkshire; 1; AMD ISI | Wolkersdorfer; Fg |
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CBU @ c.wolke @ 9517 |
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466 |
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