| Records |
| Author |
Plant, J. |
| Title |
Removal of base metals from mine waters using passive treatment processes involving autocatalytic oxidation and adsorption |
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Journal Article |
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2006 |
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Acid mine drainage Water — Pollution Mineral industries. — Wales |
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Removal of base metals from mine waters using passive treatment processes involving autocatalytic oxidation and adsorption; Opac |
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CBU @ c.wolke @ 7100 |
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269 |
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| Author |
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 |
Publication |
J. Hazard. Mater. |
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137 |
Issue |
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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Märten, H. |
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Neueste Trends zur aktiven Wasserbehandlung und Anwendungsbeispiele |
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Journal Article |
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2006 |
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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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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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| Author |
Landers, J. |
| 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 |
Pages |
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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Janneck, E.; Schlee, K.; Arnold, I.; Glombitza, F. |
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Einsatz neuer Belüftungssysteme zur Effizienzsteigerung bei der Grubenwasserbehandlung in der Lausitz |
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Journal Article |
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2006 |
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Wissenschaftliche Mitteilungen |
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31 |
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29-35 |
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Grubenwasser Grubenwasserreinigungsanlage Schwarze Pumpe Eisenabtrennung Belüftung |
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Im Beitrag wird über Erfahrungen und Ergebnisse berichtet, wie durch den Einsatz neuer Belüftungssysteme eine deutliche Stabilisierung des Prozesses der Eisenabtrennung in der GWRA Schwarze Pumpe erreicht wurde. Erstmals wurden im Lausitzer Revier Wendelbelüfter im Prozess der Grubenwasserreinigung eingesetzt. Unter Bedingungen, bei denen die Sauerstoffdiffusion der geschwindigkeitsbestimmende Schritt ist, bewirken diese Geräte eine deutliche Beschleunigung der Eisenoxidation. Als zusätzliche Effekte, die zur Effizienzsteigerung der Grubenwasserbehandlung beitragen, können eine wesentliche Durchsatzsteigerung, eine bessere Kalkausnutzung sowie eine deutlich verbes-serte Schlammeindickung genannt werden. The article presents experiences and results of the application of new aerator-systems in the mine water treatment. The processes of ferrous iron oxidation and sludge removal became more stable and efficiently by the application of the aerators. For the first time, spiral aerators were used in the Lower Lusatia lignite mining district to clean ferrous iron containing mine water. These devices lead to an enhanced iron oxidation rate under the existing conditions, where the oxygen diffusion is the rate determining step. Furthermore, the application caused increased throughput, optimal lime utilisation and better sludge thickening, which led to a higher efficiency of the mine water treatment. |
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1433-1284 |
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Einsatz neuer Belüftungssysteme zur Effizienzsteigerung bei der Grubenwasserbehandlung in der Lausitz; 1; FG 'aha' 5 Abb., 1 Tab.; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17357 |
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341 |
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