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Author |
Wiseman, I. |
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Title |
Constructed wetlands for minewater treatment |
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RPT |
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Year |
2002 |
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125 |
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Keywords |
Sewage Ecology Constructed wetlands — Wales Mineral industries — Waste disposal Mine water Water quality management — Wales Pelenna minewaters Water pollution & oil pollution Hydrology & limnology |
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Environment Agency |
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Bristol, England |
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Constructed wetlands for minewater treatment; Opac |
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Call Number |
CBU @ c.wolke @ 7122 |
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207 |
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Author |
Wilmoth, R.C.; Mason, D.G.; Gupta, M. |
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Title |
Treatment of ferrous iron acid mine drainage by reverse osmosis |
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Journal Article |
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Year |
1972 |
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Keywords |
acid mine drainage; coal; controls; environmental geology; Environmental Protection Agency; experimental studies; ferrous iron; iron; metals; methods; mining; Mocanaqua; organic residues; Pennsylvania; pollution; reverse osmosis; sedimentary rocks; treatment; United States 22, Environmental geology |
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0085-7068 |
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Treatment of ferrous iron acid mine drainage by reverse osmosis; 1976-011825; illus. incl. tables United States (USA); GeoRef; English |
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CBU @ c.wolke @ 6846 |
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208 |
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Author |
Wildeman, T.R.; Bednar, A.J.; Gusek, J.J.; Pinto, A. |
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Title |
A review of the passive treatment of arsenic Hardrock mining 2002; issues shaping the industry |
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Book Chapter |
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Year |
2002 |
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acid mine drainage; arsenic; case studies; chemical properties; drainage; experimental studies; laboratory studies; metals; mines; Nevada; passive treatment; pollution; tailings; toxic materials; United States; waste water 22, Environmental geology |
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A review of the passive treatment of arsenic Hardrock mining 2002; issues shaping the industry; GeoRef; English; 2007-046184; Hardrock mining 2002; issues shaping the industry, Westminster, CO, United States, May 7-9, 2002 U. S. Environmental Protection Agency, Office of Research and Development, Washington, DC, United States |
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CBU @ c.wolke @ 5627 |
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210 |
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Author |
Watzlaf, G.R.; Schroeder, K.T.; Kairies, C.L. |
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Book Whole |
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2000 |
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262-274 |
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Keywords |
passive treatment anoxic limestone drains wetlands sulfate reduction successive alkalinity-producing systems acid mine drainage ALD SAPS RAPS |
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Abstract |
Ten passive treatment systems, located in Pennsylvania and Maryland, have been intensively monitored for up to ten years. Influent and effluent water quality data from ten anoxic limestone drains (ALDs) and six reducing and alkalinity-producing systems (RAPS) have been analyzed to determine long-term performance for each of these specific unit operations. ALDs and RAPS are used principally to generate alkalinity, ALDs are buried beds of limestone that add alkalinity through dissolution of calcite. RAPS add alkalinity through both limestone dissolution and bacterial sulfate reduction. ALDs that received mine water containing less than 1 mg/L of both ferric iron and aluminum have continued to produce consistent concentrations of alkalinity since their construction. However, an ALD that received 20 mg/L of aluminum experienced a rapid reduction in permeability and failed within five months. Maximum levels of alkalinity (between 150 and 300 m&) appear to be reached after I5 hours of retention. All but one RAPS in this study have been constructed and put into operation only within the past 2.5 to 5 years. One system has been in operation and monitored for more than nine years. AIkalinity due to sulfate reduction was highest during the first two summers of operation. Alkalinity due to a limestone dissolution has been consistent throughout the life of the system. For the six RAPS in this study, sulfate reduction contributed an average of 28% of the total alkalinity. Rate of total alkalinity generation range from 15.6 gd''rn-'to 62.4 gd-'mL2 and were dependent on influent water quality and contact time. |
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Tampa |
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Proceedings, 17th Annual National Meeting – American Society for Surface Mining and Reclamation |
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Long-Term Perpormance of Alkalinity-Producing Passive Systems for the Treatment of Mine Drainage; 2; VORHANDEN | AMD ISI | Wolkersdorfer; als Datei vorhanden 4 Abb., 5 Tab. |
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Call Number |
CBU @ c.wolke @ 17440 |
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216 |
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Author |
Waring, C.L.; Taylor, J.R. |
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Book Whole |
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Year |
1999 |
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Abbreviated Journal |
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Pages |
663-665 |
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Keywords |
in-situ mine water treatment |
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International Mine Water Association |
Place of Publication |
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Fernández Rubio, R. |
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Mine, Water & Environment |
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A new technique for building in-situ sub-surface hydrologic barriers: NBT; 1; AMD ISI | Wolkersdorfer; 3 Abb., 1 Tab. |
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Call Number |
CBU @ c.wolke @ 9947 |
Serial |
218 |
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