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Burgess, J.E.; Stuetz, R.M. |
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Title |
Activated Sludge for the Treatment of Sulphur-rich Wastewaters |
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Journal Article |
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2002 |
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Miner. Eng. |
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15 |
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11 |
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839-846 |
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acid rock drainage biooxidation biotechnology environmental waste processing acid-mine drainage sulfate-reducing bacteria biological treatment waste-water metals acclimation remediation oxidation reduction removal |
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Abstract |
The aim of this investigation was to assess the potential of activated sludge for the remediation of sulphur-rich wastewaters. A pilot-scale activated sludge plant was acclimatised to a low load of sulphide and operated as a flow-through unit. Additional sludge samples from different full-scale plants were compared with the acclimatised and unacclimatised sludges using batch absorption tests. The effects of sludge source and acclimatisation on the ability of the sludge to biodegrade high loads of sulphide were evaluated. Acclimatisation to low-sulphide concentrations enabled the sludge to degrade subsequent high loads which were toxic to unacclimatised sludge. Acclimatisation was seen to be an effect of selection pressure on the biomass, suggesting that the treatment capability of activated sludge will develop after acclimation, indicating potential for treatment of acid mine drainage (AMD) by a standard wastewater treatment process. Existing options for biological treatment of AMD are described and the potential of activated sludge treatment for AMD discussed in comparison with existing technologies. (C) 2002 Elsevier Science Ltd. |
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0892-6875 |
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Nov.; Activated Sludge for the Treatment of Sulphur-rich Wastewaters; Isi:000179970500009; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/10093.pdf; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 10093 |
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40 |
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Burnett, M.; Skousen, J.G.; Skousen, J.G.; Ziemkiewicz, P.F. |
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Title |
Injection of limestone into underground mines for AMD control |
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1996 |
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Acid mine drainage control and treatment |
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acid mine drainage; acidification; alkalinity; carbonate rocks; chemical composition; coal fields; concentration; environmental analysis; environmental management; experimental studies; geologic hazards; ground water; hazardous waste; heavy metals; hydrology; land subsidence; limestone; mines; mining; mining geology; pH; pollution; Preston County West Virginia; reclamation; runoff; sedimentary rocks; Sovern Run Mine; surface water; underground mining; United States; waste management; water quality; West Virginia 22, Environmental geology |
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West Virginia University and the National Mine Land Reclamation Center |
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Morgantown |
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Injection of limestone into underground mines for AMD control; GeoRef; English; 2004-051160; Edition: 2 References: 2; illus. incl. 1 table |
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CBU @ c.wolke @ 6370 |
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427 |
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Calabrese, J.P.; Sexstone, A.J.; Bhumbla, D.K.; Skousen, J.G.; Bissonnette, G.K.; Sencindiver, J.C. |
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Long-term study of constructed model wetlands for treatment of acid mine drainage |
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1994 |
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Special Publication – United States. Bureau of Mines, Report: BUMINES-SP-06B-94 |
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406 |
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acid mine drainage; alkalinity; biodegradation; field studies; iron; metals; models; monitoring; pH; pollution; reduction; remediation; sulfates; surface water; water quality; wetlands 22, Environmental geology |
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Proceedings of the International land reclamation and mine drainage conference and Third international conference on The abatement of acidic drainage; Volume 2 of 4; Mine drainage |
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Long-term study of constructed model wetlands for treatment of acid mine drainage; GeoRef; English; 2007-045256; International land reclamation and mine drainage conference; International conference on The abatement of acidic drainage, Pittsburgh, PA, United States, April 24-29, 1994 |
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CBU @ c.wolke @ 6631 |
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426 |
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Canty, G.A.; Everett, J.W. |
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Remediation of underground mine areas through treatment with fly ash |
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1999 |
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Acid mine drainage Groundwater Pollution Hazardous waste site remediation |
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Remediation of underground mine areas through treatment with fly ash; Oklahoma City: Oklahoma Conservation Commission, Water Quality Division; Opac |
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CBU @ c.wolke @ 7240 |
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423 |
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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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2006 |
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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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