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Author (down) Wiseman, I.
Title Constructed wetlands for minewater treatment Type RPT
Year 2002 Publication Abbreviated Journal
Volume Issue Pages 125
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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Publisher Environment Agency Place of Publication Bristol, England Editor
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Notes Constructed wetlands for minewater treatment; Opac Approved no
Call Number CBU @ c.wolke @ 7122 Serial 207
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Author (down) Wildeman, T.R.; Bednar, A.J.; Gusek, J.J.; Pinto, A.
Title A review of the passive treatment of arsenic Hardrock mining 2002; issues shaping the industry Type Book Chapter
Year 2002 Publication Abbreviated Journal
Volume Issue Pages
Keywords 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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Notes 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 Approved no
Call Number CBU @ c.wolke @ 5627 Serial 210
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Author (down) Simmons, J.; Ziemkiewicz, P.; Black, D.C.
Title Use of Steel Slag Leach Beds for the Treatment of Acid Mine Drainage Type Journal Article
Year 2002 Publication Mine Water Env. Abbreviated Journal
Volume 21 Issue 2 Pages 91-99
Keywords acid mine drainage Beaver Creek check dam leach beds leaching metal sequestration mine water leaching procedure open limestone channel steel slag West Virginia
Abstract Steel slag from the Waylite steel-making plant in Bethlehem, Pennsylvania was leached with acidic mine drainage (AMD) of a known quality using an established laboratory procedure. Leaching continued for 60 cycles and leachates were collected after each cycle. Results indicated that the slag was very effective at neutralizing acidity. The AMD/slag leachates contained higher average concentrations of Ba, V, Mn, Cr, As, Ag, and Se and lower average concentrations of Sb, Fe, Zn, Be, Cd, Tl, Ni, Al, Cu, and Pb than the untreated AMD. Based on these tests, slag leach beds were constructed at the abandoned McCarty mine site in Preston County, West Virginia. The leach beds were constructed as slag check dams below limestone-lined settling basins. Acid water was captured in limestone channels and directed into basins to leach through the slag dams and discharge into a tributary of Beaver Creek. Since installation in October 2000, the system has been consistently producing net alkaline, pH 9 water. The treated water is still net alkaline and has a neutral pH after it encounters several other acidic seeps downstream.
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ISSN 1025-9112 ISBN Medium
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Notes Use of Steel Slag Leach Beds for the Treatment of Acid Mine Drainage; 1; FG 20 Abb., 4 Tab.; AMD ISI | Wolkersdorfer Approved no
Call Number CBU @ c.wolke @ 17421 Serial 249
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Author (down) Scholz, M.
Title Mature experimental constructed wetlands treating urban water receiving high metal loads Type Journal Article
Year 2002 Publication Biotechnology Progress Abbreviated Journal
Volume 18 Issue 6 Pages 1257-1264
Keywords mine water treatment
Abstract The aim was to assess over 2 years the treatment efficiencies of vertical-flow wetland filters containing macrophytes and granular media of different. adsorption capacities. Different concentrations of lead and copper sulfate (constant for 1 year each) were added to urban beck inflow water in order to simulate pretreated (pH adjustment assumed) mine wastewater. After 1 year of operation, the inflow concentrations for lead and copper were increased from 1.30 to 2.98 and from 0.98 to 1.93 mg/L, respectively. However, the metal mass load rates (mg/m(2)/d) were increased by a factor of approximately 4.9 for lead and 4.3 for copper. No breakthrough of metals was recorded. Lead and copper accumulated in the biomass of the litter zone and rhizomes of the macrophytes. Furthermore, microbiological activity decreased during the second year of operation. Bioindicators such as ciliated protozoa and zooplankton decreased sharply in numbers but diatoms increased. In conclusion, the use of macrophytes and, adsorption media did not significantly enhance the filtration of lead and copper. Particulate lead is removed by filtration processes including straining. Furthermore, some expensive and time-consuming water quality variables can be predicted with less expensive ones such as temperature in order to reduce sampling costs.
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Notes Mature experimental constructed wetlands treating urban water receiving high metal loads; Wos:000179760000018; Times Cited: 11; ISI Web of Science Approved no
Call Number CBU @ c.wolke @ 17032 Serial 119
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Author (down) Scholz, M.
Title Performance comparison of experimental constructed wetlands with different filter media and macrophytes treating industrial wastewater contaminated with lead and copper Type Journal Article
Year 2002 Publication Bioresource Technology Abbreviated Journal
Volume 83 Issue 2 Pages 71-79
Keywords mine water treatment
Abstract The aim of this study was to investigate the treatment efficiency of passive vertical-flow wetland filters containing different macrophytes (Phragmites and/or Typha) and granular media with different adsorption capacities. Gravel, sand, granular activated carbon, charcoal and Filtralite (light expanded clay) were used as filter media. Different concentrations of lead and copper sulfate were added to polluted urban stream inflow water to simulate pretreated mine wastewater. The relationships between growth media, microbial and plant communities as well as the reduction of predominantly lead, copper and five-day biochemical oxygen demand (BOD5) were investigated. An analysis of variance showed that concentration reductions (mg 1(-1)) of lead, copper and BOD5 were significantly similar for the six experimental wetlands. Microbial diversity was low due to metal pollution and similar for all filters. There appears to be no additional benefit in using adsorption media and macrophytes to enhance biomass performance during the first 10 months of operation. (C) 2002 Elsevier Science Ltd. All rights reserved.
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Notes Performance comparison of experimental constructed wetlands with different filter media and macrophytes treating industrial wastewater contaminated with lead and copper; Wos:000175574600001; Times Cited: 5; ISI Web of Science Approved no
Call Number CBU @ c.wolke @ 17031 Serial 121
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