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Märten, H. |
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Title |
Neueste Trends zur aktiven Wasserbehandlung und Anwendungsbeispiele |
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Journal Article |
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Year |
2006 |
Publication |
Wissenschaftliche Mitteilungen |
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31 |
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13-22 |
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Wasserbehandlung AMD Acidic Mine Drainage In-situ-Laugung ISL Tagebaurestsee |
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Abstract |
Aktuelle Entwicklungen auf dem Gebiet der aktiven Wasserbehandlung im Bergbau in den spezifischen Anwendungsgebieten • Behandlung von sauren Bergbauwässern (AMD – acidic mine drainage) mit Schwerpunkt HDS-Technologie (HDS – high-density sludge) • In-situ-Behandlung bergbaubeeinflusster Grundwasserkörper, insbesondere nach Anwendung der In-situ-Laugung (ISL) • In-situ-Behandlung von Tagebaurestseen mit Schwerpunkt In-lake-Verfahren werden hinsichtlich Machbarkeit, technologischer Kenngrößen und Effizienz bewertet und kommen-tiert. Recent developments in the field of active water treatment technologies in the mining sector are re-viewed. Application areas of interest include • Treatment of acidic mine drainage (AMD) emphasizing HDS technology (HDS – high-density sludge) • In-situ treatment of groundwater affected by mining, in particular after the application of in-situ leaching (ISL) • In-situ treatment of lakes arising in former open-pit lignite mines, in particular the application of in-lake methods The various applications are evaluated with regard to feasibility, technical characteristics and treat-ment efficiency. |
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1433-1284 |
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Neueste Trends zur aktiven Wasserbehandlung und Anwendungsbeispiele; 1; FG 'aha' 5 Abb.; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17386 |
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308 |
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Mohan, D.; Chander, S. |
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Removal and recovery of metal ions from acid mine drainage using lignite-A low cost sorbent |
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Journal Article |
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2006 |
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J. Hazard. Mater. |
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137 |
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3 |
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1545-1553 |
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Geobase: Related Topics geobase: related topics (901) acid mine drainage adsorption ion iron sulfide lignite wastewater water treatment |
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Acid mine drainage (AMD), has long been a significant environmental problem resulting from the microbial oxidation of iron pyrite in presence of water and air, affording an acidic solution that contains toxic metal ions. The main objective of this study was to remove and recover metal ions from acid mine drainage (AMD) by using lignite, a low cost sorbent. Lignite has been characterized and used for the AMD treatment. Sorption of ferrous, ferric, manganese, zinc and calcium in multi-component aqueous systems was investigated. Studies were performed at different pH to find optimum pH. To simulate industrial conditions for acid mine wastewater treatment, all the studies were performed using single and multi-columns setup in down flow mode. The empty bed contact time (EBCT) model was used for minimizing the sorbent usage. Recovery of the metal ions as well as regeneration of sorbent was achieved successfully using 0.1 M nitric acid without dismantling the columns. < copyright > 2006 Elsevier B.V. All rights reserved. |
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D. Mohan, Department of Energy and Geo-Environmental Engineering, The Pennsylvania State University, University Park, PA 16802, United States dm_1967@hotmail.com |
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0304-3894 |
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Oct 11; Removal and recovery of metal ions from acid mine drainage using lignite-A low cost sorbent; 2919875; Netherlands 56; Geobase |
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CBU @ c.wolke @ 17634 |
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295 |
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Macklin, M.G. |
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A geomorphological approach to the management of rivers contaminated by metal mining |
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Journal Article |
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2006 |
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Geomorphology |
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79 |
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3-4 |
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423-447 |
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mine water treatment |
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As the result of current and historical metal mining, river channels and floodplains in many parts of the world have become contaminated by metal-rich waste in concentrations that may pose a hazard to human livelihoods and sustainable development. Environmental and human health impacts commonly arise because of the prolonged residence time of heavy metals in river sediments and alluvial soils and their bioaccumulatory nature in plants and animals. This paper considers how an understanding of the processes of sediment-associated metal dispersion in rivers, and the space and timescales over which they operate, can be used in a practical way to help river basin managers more effectively control and remediate catchments affected by current and historical metal mining. A geomorphological approach to the management of rivers contaminated by metals is outlined and four emerging research themes are highlighted and critically reviewed. These are: (1) response and recovery of river systems following the failures of major tailings dams; (2) effects of flooding on river contamination and the sustainable use of floodplains; (3) new developments in isotopic fingerprinting, remote sensing and numerical modelling for identifying the sources of contaminant metals and for mapping the spatial distribution of contaminants in river channels and floodplains; and (4) current approaches to the remediation of river basins affected by mining, appraised in light of the European Union's Water Framework Directive (2000/60/EC). Future opportunities for geomorphologically-based assessments of mining-affected catchments are also identified. (c) 2006 Elsevier B.V. All rights reserved. |
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A geomorphological approach to the management of rivers contaminated by metal mining; Wos:000241084500014; Times Cited: 1; ISI Web of Science |
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CBU @ c.wolke @ 16934 |
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105 |
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Author |
Lee, B.H. |
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Title |
Constructed wetlands: Treatment of concentrated storm water runoff (Part A) |
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Journal Article |
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2006 |
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Environmental Engineering Science |
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23 |
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2 |
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320-331 |
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mine water treatment |
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The aim of this research was to assess the treatment efficiencies for gully pot liquor of experimental vertical-flow constructed wetland filters containing Phragmites australis (Cav.) Trin. ex Steud. (common reed) and filter media of different adsorption capacities. Six out of 12 filters received inflow water spiked with metals. For 2 years, hydrated nickel and copper nitrate were added to sieved gully pot liquor to simulate contaminated primary treated storm runoff. For those six constructed wetland filters receiving heavy metals, an obvious breakthrough of dissolved nickel was recorded after road salting during the first winter. However, a breakthrough of nickel was not observed, since the inflow pH was raised to eight after the first year of operation. High pH facilitated the formation of particulate metal compounds such as nickel hydroxide. During the second year, reduction efficiencies of heavy metal, 5-days at 20 degrees C N-Allylthiourea biochemical oxygen demand (BOD) and suspended solids (SS) improved considerably. Concentrations of BOD were frequently < 20 mg/L. However, concentrations for SS were frequently > 30 mg/L. These are the two international thresholds for secondary wastewater treatment. The BOD removal increased over time due to biomass maturation, and the increase of pH. An analysis of the findings with case-based reasoning can be found in the corresponding follow-up paper (Part B). |
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Constructed wetlands: Treatment of concentrated storm water runoff (Part A); Wos:000236600700007; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 16932 |
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112 |
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Author |
Landers, J. |
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Title |
Bioremediation method could cut cost of treating acid rock drainage |
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Journal Article |
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2006 |
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Civil Engineering |
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76 |
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7 |
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30-31 |
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Pollution and waste management non radioactive geological abstracts: environmental geology (72 14 2) bioremediation cost benefit analysis water treatment acid mine drainage pollutant removal lake water heavy metal Lawrence County South Dakota South Dakota United States North America |
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The Gilt Edge Mine in South Dakota's Lawrence County was a gold mine that was abandoned later when its recent owner went bankrupt. Seeking a cost-effective method for treating millions of gallons of acid rock drainage (ARD), CDM partnered with Green World Science, Inc. (GWS) of Boise, Idaho, for the development of an in situ bioremediation process that can be used to remove metals from pit lake water. Recent testing revealed that the in situ bioremediation method can successfully remove metals from highly acidic water without the need to construct costly water treatment facilities. |
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0885-7024 |
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Trade-; Bioremediation method could cut cost of treating acid rock drainage; 2896866; United-States; Geobase |
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CBU @ c.wolke @ 17490 |
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318 |
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