| Records |
Author  |
Houston, K.S.; Milionis, P.N.; Eppley, R.L.; Harrington, J.M.; Harrington, J.G. |
| Title |
Field Demonstration of In-Situ Treatment and Prevention of Acid Mine Drainage in the Abandoned Tide Mine, Indiana County, Pennsylvania |
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Journal Article |
| Year |
2005 |
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in situ ferrous sulfide precipitation sulfate reduction coal bromide tracer Tide Mine Center Township PA tracer study |
| Abstract |
A field demonstration of the Green World Science® patented process technology was performed to address acid mine drainage (AMD) at an abandoned bituminous coal mine, the Tide Mine in Center Township, Indiana County, PA. ARCADIS owns an exclusive patent license of the Green World Science® process, which can be used in situ to transform an aerobic, AMD-producing mine pool to a biologically mediated, sulfate-reducing state. The Green World Science® process treats the entire mine pool to address the source of AMD in place. The project was conducted through a grant agreement between the Blacklick Creek Watershed Association, the Pennsylvania Department of Environmental Protection's Bureau of Abandoned Mine Reclamation, and ARCADIS. In conjunction with the characterization of mine pool hydraulics through injection of a bromide tracer, the in situ treatments implemented at Tide Mine include the initial addition of alkalinity to create an environment suitable for biological activity, injection of organic carbon into the mine pool to facilitate microbially mediated metals reduction and precipitation, and injection of carbon dioxide gas into the atmosphere above the mine pool to control the dominant source of oxygen that perpetuates the AMD process. Collectively, these treatments raised the pH from a baseline of approximately 2.5 to over 6 during the demonstration period. The mine pool subsequently maintains a pH above 5 through microbially produced (i.e., bicarbonate) alkalinity. Ferric iron has been reduced to non-detect concentrations within the anaerobic mine pool, and aluminum concentrations have decreased by approximately 30%, with additional metals removal expected as the system becomes controlled by ferrous sulfide precipitation. The injection of carbon dioxide gas into the mine workings decreased oxygen concentrations above the mine pool from over 20% (ambient air conditions) to less than 5% over approximately three months, thus mitigating the source of AMD within the mine. |
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Proceedings, 26th West Virginia Surface Mine Drainage Task Force Symposium |
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2; als Datei vorhanden 6 Abb.; VORHANDEN | AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17355 |
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347 |
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| Author |
Holtzhausen, L. |
| Title |
Minewater treatment technology revved up |
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Journal Article |
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2005 |
Publication |
Water Sewage and Effluent |
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25 |
Issue |
2 |
Pages |
24-26 |
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Geobase: Related Topics geobase: related topics (901) water treatment |
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0257-8700 |
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Trade- Note; Minewater treatment technology revved up; 2710582; South-Africa; Geobase |
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CBU @ c.wolke @ 10344 |
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348 |
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| Author |
Gusek, J.J. |
| Title |
Design challenges for large scale sulfate reducing bioreactors |
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Journal Article |
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2005 |
Publication |
Contaminated Soils, Sediments and Water: Science in the Real World, Vol 9 |
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9 |
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33-44 |
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mine water treatment |
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The first large-scale (1,200 gpm capacity), sulfate-reducing; bioreactor (SRBR) was constructed in 1996 to treat water from an underground lead mine in Missouri. Other large-scale SRBR systems have been built elsewhere since then. This technology holds much promise for economically treating heavy metals and has progressed steadily from the laboratory to industrial applications. Scale-up challenges include: designing for seasonal temperature variations, minimizing short circuits, changes in metal loading rate s, storm water impacts, and resistance to vandalism. However, the biggest challenge may be designing for the progressive biological degradation of the organic substrate and its effects on the hydraulics of the SRBR cells. |
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Design challenges for large scale sulfate reducing bioreactors; Isip:000225303300004; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 16959 |
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156 |
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| Author |
Greben, H.A.; Matshusa, M.P.; Maree, J.P. |
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Book Whole |
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2005 |
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339-345 |
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water pollution biological Sulphate removal technology sulphate acidity metals treatment technique |
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Mining is implicated as a significant contributor to water pollution, the prime reason being, that pyrites oxidize to sulphuric acid when exposed to air and water. Mine effluents, often containing sulphate, acidity and metals, should be treated to render it suitable for re-use in the mining industry, for irrigation of crops or for discharge in water bodies. This study describes the removal of all three mentioned pollutants in mine effluents, from different origins, containing different concentrations of various metals. The objectives were achieved, applying the biological sulphate removal technology, using ethanol as the carbon and energy source. It was shown that diluting the mine effluent with the effluent from the biological treatment, the pH increased due to the alkalinity in the treated water while the metals precipitated with the produced sulphide. When this treatment regime was changed and the mine water was fed undiluted, it was found that the metals stimulated the methanogenic bacteria (MB) as trace elements. This resulted in a high COD utilization of the MB, such that too little COD was available for the SRB. Metal removal in all three studies was observed and in most instances the metals were eliminated to the required disposal concentration. |
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University of Oviedo |
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Oviedo |
Editor |
Loredo, J.; Pendás, F. |
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Mine Water 2005 – Mine Closure |
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84-689-3415-1 |
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The biological Sulphate removal technology; 1; AMD ISI | Wolkersdorfer; FG 'aha' 3 Abb., 9 Tab. |
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CBU @ c.wolke @ 17347 |
Serial |
367 |
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Coulton, R.H.; Williams, K.P. |
| Title |
Active treatment of mine water; a European perspective |
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Journal Article |
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2005 |
Publication |
Mine Water Env. |
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24 |
Issue |
1 |
Pages |
23-26 |
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abandoned mines; Europe; ground water; mines; mining; pollutants; pollution; protection; surface water; water pollution; water quality; water treatment 22, Environmental geology |
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1025-9112 |
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Active treatment of mine water; a European perspective; 2007-023995; illus. incl. 3 tables Federal Republic of Germany (DEU); GeoRef; English |
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CBU @ c.wolke @ 5412 |
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20 |
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