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Ciftci, H.; Akcil, A. |
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Title |
Asidik maden drenajinin (AMD) giderilmesinde uygulanan biyolojik yontemler. Biological methods applied in the treatment of acid mine drainage (AMD) |
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Journal Article |
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Year |
2006 |
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Madencilik = The = Journal of the Chamber of Mining Engineers of Turkey |
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45 |
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1 |
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35-45 |
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Keywords |
acid mine drainage biodegradation methods microorganisms oxidation pollutants pollution remediation sulfides 22, Environmental geology |
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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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CBU @ c.wolke @ 16444 |
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416 |
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Canty, G.A.; Everett, J.W. |
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Title |
Injection of Fluidized Bed Combustion Ash into Mine Workings for Treatment of Acid Mine Drainage |
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Journal Article |
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Year |
2006 |
Publication |
Mine Water Env. |
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25 |
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1 |
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45-55 |
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acid mine drainage AMD alkaline injection technology fluidized bed combustion ash Oklahoma |
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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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CBU @ c.wolke @ 17319 |
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422 |
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Agency, U.S.E.P. |
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Bioremediation of Acid Mine Drainage Using Sulfate-Reducing Bacteria |
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RPT |
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2006 |
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Bioremediation of Acid Mine Drainage Using Sulfate-Reducing Bacteria; Opac |
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CBU @ c.wolke @ 7254 |
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489 |
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World first: Full-scale BioSure plant commissioned |
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Journal Article |
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2006 |
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Water Wheel |
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5 |
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3 |
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19-21 |
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Waste Management and Pollution Policy geographical abstracts: human geography environmental planning (70 11 5) wastewater waste facility mine waste gold mine sewage treatment |
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ERWAT's Ancor Wastewater Treatment Works on the Far East Rand commissioned a 10 Ml/day full-scale plant to treat toxic mine-water from the Grootvlei gold mine using primary sewage sludge. The R15-million plant is treating sulphate rich acid mine drainage using the Rhodes BioSURE Process. First, the pumped mine-water is treated at a high-density separation (HDS) plant to remove iron and condition pH levels. Then it is pumped two km via a newly-constructed 10 Ml capacity pipeline to the Ancor works. This mine-water is then mixed together with primary sewage sludge in a mixing tank from where a splitter box directs the material to eight biological sulphate reducing reactors or bioreactors. The overflow water which is rich in sulphide is pumped through the main pump station to another mixing box. Here, iron slurry is mixed with the material before it is again divided between four reactor clarifiers for sulphide removal. The overflow water, now containing reduced sulphate levels and virtually no sulphide is pumped to Ancor's biofilters for removal of remaining Chemical Oxygen Demand (COD) and ammonia following the conventional sewage treatment process for eventual release into the Blesbokspruit. |
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0258-2244 |
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Trade-; World first: Full-scale BioSure plant commissioned; 2865725; South-Africa; Geobase |
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CBU @ c.wolke @ 17495 |
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494 |
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Agency, U.S.E.P. |
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Book Whole |
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2006 |
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Acid mine drainage California Alpine County Bioreactors California Alpine County Bioremediation California Alpine County Hazardous waste site remediation California Alpine County |
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Research Laboratory, Office of Research and Development, United States Environmental Protection Agency |
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Cincinnati, OH. |
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Compost-free bioreactor treatment of acid rock drainage Leviathan Mine, California : innovative technology evaluation report |
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2 |
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Compost-free bioreactor treatment of acid rock drainage Leviathan Mine, California : innovative technology evaluation report; Cincinnati, OH. : National Risk Management Research Laboratory, Office of Research and Development, United States Environmental Protection Agency; Opac |
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CBU @ c.wolke @ 7248 |
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490 |
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