| Records |
| Author |
Landers, J. |
| Title |
Bioremediation method could cut cost of treating acid rock drainage |
Type |
Journal Article |
| Year |
2006 |
Publication |
Civil Engineering |
Abbreviated Journal |
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| Volume |
76 |
Issue |
7 |
Pages |
30-31 |
| Keywords |
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 |
| Abstract |
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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| Call Number |
CBU @ c.wolke @ 17490 |
Serial  |
318 |
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| Author |
Janneck, E.; Schlee, K.; Arnold, I.; Glombitza, F. |
| Title |
Einsatz neuer Belüftungssysteme zur Effizienzsteigerung bei der Grubenwasserbehandlung in der Lausitz |
Type |
Journal Article |
| Year |
2006 |
Publication |
Wissenschaftliche Mitteilungen |
Abbreviated Journal |
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| Volume |
31 |
Issue |
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Pages |
29-35 |
| Keywords |
Grubenwasser Grubenwasserreinigungsanlage Schwarze Pumpe Eisenabtrennung Belüftung |
| Abstract |
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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no |
| Call Number |
CBU @ c.wolke @ 17357 |
Serial |
341 |
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| Author |
Curi, A.C.; Granda, W.J.V.; Lima, H.M.; Sousa, W.T. |
| Title |
Zeolites and their application in the decontamination of mine waste water |
Type |
Journal Article |
| Year |
2006 |
Publication |
Informacion Tecnologica |
Abbreviated Journal |
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| Volume |
17 |
Issue |
6 |
Pages |
111-118 |
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adsorption decontamination effluents industrial waste ion exchange metallurgical industries metallurgy mining mining industry porosity wastewater treatment zeolites zeolites decontamination mine waste water genesis porosity adsorption ionic exchange mineral metallurgical effluents mercury pollution artisan mining activities heavy metals removal metal mining effluents mercury vapors ovens fire amalgams Manufacturing and Production |
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This paper describes the genesis, structure and classification of natural zeolites, including their most relevant properties such as porosity, adsorption and ionic exchange. The use of natural zeolites in the treatment of effluents containing heavy metals is reviewed based on current literature. These uses are focused on mineral-metallurgical effluents and mercury pollution related to artisan mining activities. The study shows that natural zeolites are efficient in removal of heavy metals in metal mining effluents, can be produced and improved at a low cost, and can also be used to adsorb mercury vapors from ovens used to fire amalgams. |
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0716-8756 |
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Zeolites and their application in the decontamination of mine waste water; 9532002; Journal Paper; SilverPlatter; Ovid Technologies |
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no |
| Call Number |
CBU @ c.wolke @ 16784 |
Serial |
409 |
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| Author |
Ciftci, H.; Akcil, A. |
| Title |
Asidik maden drenajinin (AMD) giderilmesinde uygulanan biyolojik yontemler. Biological methods applied in the treatment of acid mine drainage (AMD) |
Type |
Journal Article |
| Year |
2006 |
Publication |
Madencilik = The = Journal of the Chamber of Mining Engineers of Turkey |
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45 |
Issue |
1 |
Pages |
35-45 |
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acid mine drainage biodegradation methods microorganisms oxidation pollutants pollution remediation sulfides 22, Environmental geology |
| Abstract |
Acidic mine drainage (AMD) is a serious environmental problem in mining areas throughout the world. AMD occurs as a result of the natural oxidation of sulfide minerals when they are exposed to oxygen and water during their disposal and storage at the mining areas. Because it includes low pH and high concentrations of dissolved metals and sulphates, AMD can potentially damage to the environment. If the formation of AMD can't be prevented and controlled, it must be collected and treated to remove acidity and reduce the concentration of heavy metals and suspended solids before its release to the environment. Different types of microorganisms in the treatment of AMD can play a very important role in the development and the application of microbiological prevention, control and treatment technologies. The purpose of this article is to give information about the passive biological methods used in the treatment and the control of AMD and the role of microorganisms in these methods. |
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0024-9416 |
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Asidik maden drenajinin (AMD) giderilmesinde uygulanan biyolojik yontemler. Biological methods applied in the treatment of acid mine drainage (AMD); 2006-075215; References: 58 Turkey (TUR); GeoRef; Turkish |
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no |
| Call Number |
CBU @ c.wolke @ 16444 |
Serial |
416 |
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| Author |
Canty, G.A.; Everett, J.W. |
| Title |
Injection of Fluidized Bed Combustion Ash into Mine Workings for Treatment of Acid Mine Drainage |
Type |
Journal Article |
| Year |
2006 |
Publication |
Mine Water Env. |
Abbreviated Journal |
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| Volume |
25 |
Issue |
1 |
Pages |
45-55 |
| Keywords |
acid mine drainage AMD alkaline injection technology fluidized bed combustion ash Oklahoma |
| Abstract |
A demonstration project was conducted to investigate treating acid mine water by alkaline injection technology (AIT). A total of 379 t of alkaline coal combustion byproduct was injected into in an eastern Oklahoma drift coal mine. AIT increased the pH and alkalinity, and reduced acidity and metal loading. Although large improvements in water quality were only observed for 15 months before the effluent water chemistry appeared to approach pre-injection conditions, a review of the data four years after injection identified statistically significant changes in the mine discharge compared to pre-injection conditions. Decreases in acidity (23%), iron (18%), and aluminium (47%) were observed, while an increase in pH (0.35 units) was noted. Presumably, the mine environment reached quasi-equilibrium with the alkalinity introduced to the system. |
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1025-9112 |
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Injection of Fluidized Bed Combustion Ash into Mine Workings for Treatment of Acid Mine Drainage; 1; FG 6 Abb., 1 Tab.; AMD ISI | Wolkersdorfer |
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no |
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CBU @ c.wolke @ 17319 |
Serial |
422 |
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