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Author |
Bowell, R.J. |
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Year |
2004 |
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Pages |
75-91 |
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Keywords |
mine water sulphate removal passive treatment acid mine drainage bacteria bioremediation decontamination effluents ground water legislation osmosis oxidation pollutants pollution remediation reverse osmosis selenites sulfate ion toxic materials USGS water treatment |
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University of Newcastle |
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2 |
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Jarvis Adam, P.; Dudgeon Bruce, A.; Younger Paul, L. |
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mine water 2004 – Proceedings International Mine Water Association Symposium |
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0-9543827-4-9 |
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A review of sulphate removal options for mine waters; 1; AMD ISI | Wolkersdorfer; FG 6 Abb., 7 Tab. |
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Call Number |
CBU @ c.wolke @ 9546 |
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439 |
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Author |
Álvarez, R.; Ordóñez, A.; Martínez, T.; Loredo, J.; Pendás, F.; Younger, P. |
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Book Whole |
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Year |
2004 |
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35-41 |
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Keywords |
hydrogeology mining water gold drainage cyanide treatment experimental work laboratory oxidation anaerobic aerobic wetlands |
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University of Newcastle |
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2 |
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Jarvis Adam, P.; Dudgeon Bruce, A.; Younger Paul, L. |
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mine water 2004 – Proceedings International Mine Water Association Symposium |
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0-9543827-3-0 |
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Passive Treatment for the Removal of Residual Cyanide in Drainage from closed Gold Mine Tailing Ponds; 1; AMD ISI | Wolkersdorfer; FG 'de' 2 Abb. |
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Call Number |
CBU @ c.wolke @ 9495 |
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485 |
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Author |
Zhuang, J.M. |
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Title |
Lignor(TM) process for acidic rock drainage treatment |
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Journal Article |
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Year |
2004 |
Publication |
Environ. Technol. |
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Volume |
25 |
Issue |
9 |
Pages |
1031-1040 |
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Keywords |
mine water treatment |
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Abstract |
The process using lignosulfonates for acidic rock drainage (ARD) treatment is referred to as the Lignor(TM) process. Lignosulfonates are waste by-products produced in the sulfite pulping process. The present study has shown lignosulfonates are able to protect lime from developing an external surface coating, and hence to favor its dissociation. Further, the addition of lignosulfonates to ARD solutions increased the clotting and settling rate of the formed sludge. The capability of lignosulfonates to form stable metal-lignin complexes makes them very useful in retaining metal ions and thus improving the long-term stability of the sludge against leaching. The Lignor(TM) process involves metal sorption with lignosulfonates, ARD neutralization by lime to about pH 7, pH adjustment with caustic soda to 9.4 – 9.6, air oxidation to lower the pH to a desired level, and addition of a minimum amount of FeCl3 for further removal of dissolved metals. The Lignor(TM) process removes all concerned metals (especially Al and Mn) from the ARD of the Britannia Mine (located at Britannia Beach, British Columbia, Canada) to a level lower than the limits of the B.C. Regulations. Compared with the high-density sludge (HDS) process, the Lignor(TM) process has many advantages, such as considerable savings in lime consumption, greatly reduced sludge volume, and improved sludge stability. |
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Lignor(TM) process for acidic rock drainage treatment; Wos:000224971800006; Times Cited: 0; ISI Web of Science |
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Call Number |
CBU @ c.wolke @ 16998 |
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117 |
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Author |
Smyth, D.; Blowes, D.; Ptacek, C.; Bain, J. |
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Title |
Application of permeable reactive barriers for treating mine drainage and dissolved metals in groundwater |
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Journal Article |
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Year |
2004 |
Publication |
Geotechnical News |
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Volume |
22 |
Issue |
1 |
Pages |
39-44 |
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Keywords |
acid mine drainage; acid rock drainage; aquifers; Canada; Cochrane District Ontario; concentration; disposal barriers; Eastern Canada; ground water; Kidd Creek; mine drainage; mines; Ontario; oxidation; permeability; permeable reactive barrier; pollutants; pollution; remediation; sulfates; sulfides; tailings; testing; Timmins Ontario; waste disposal; waste management; waste rock; waste water; water treatment 22, Environmental geology |
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0823-650x |
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Application of permeable reactive barriers for treating mine drainage and dissolved metals in groundwater; 2006-058196; References: 20; sects. Canada (CAN); GeoRef; English |
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no |
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Call Number |
CBU @ c.wolke @ 5457 |
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66 |
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Author |
Bolzicco, J.; Carrera, J.; Ayora, C. |
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Title |
Eficiencia de la barrera permeable reactiva de Aznalcollar (Sevilla, Espana) como remedio de aguas acidas de mina. Reactive permeable disposal barrier at Aznalcollar Mine, Seville, Spain; as remediation for acid mine drainage |
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Journal Article |
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Year |
2004 |
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Revista Latino-Americana de Hidrogeologia |
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Volume |
4 |
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27-34 |
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Keywords |
abandoned mines acid mine drainage Agrio River Andalusia Spain aquifers Aznalcollar Mine Cenozoic chemical composition chemical ratios copper ores dams disposal barriers drainage basins Europe geochemistry ground water Guadiamar River hydrochemistry Iberian Peninsula Iberian pyrite belt igneous rocks metal ores mineral composition mines mining Miocene Neogene permeability pH pollution reactive barriers remediation sedimentary rocks sediments Seville Spain Southern Europe Spain surface water tailings Tertiary volcanic rocks waste disposal water treatment zinc ores 22, Environmental geology |
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Abstract |
As a result of the collapse of a mine tailing dam in april 1998 about 40 km of the Agrio and Guadiamar valleys were covered with a layer of pyrite sludge. Although most of the sludge was removed, a small amount remains in the soil of the Agrio valley and the aquifer remains polluted with acid water (ph<4) and metals (10 mg/L Zn, 5 mg/L Cu and Al). A permeable reactive barrier was build across the aquifer to increase the alcalinity and retain the metals. The barrier is made up of three sections of 30 m longX1.4 m thickX5 m deep (average) containing different proportions of limestone gravel, organic compost and zero-valent iron. The residence time of the water in the barrier is about two days. Within the barrier, the pH values increase to near neutral mainly due to calcite dissolution. Metals co-precipitate as oxyhydroxides, and they are also adsorbed on the organic matter surface. Down-stream the barrier, the total pollution removal is around 60-90% for Zn and Cu, and from 50 to 90% for Al and acidity. |
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Eficiencia de la barrera permeable reactiva de Aznalcollar (Sevilla, Espana) como remedio de aguas acidas de mina. Reactive permeable disposal barrier at Aznalcollar Mine, Seville, Spain; as remediation for acid mine drainage; 2004-072864; References: 7; illus. incl. geol. sketch map Brazil (BRA); GeoRef; Spanish |
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Call Number |
CBU @ c.wolke @ 16471 |
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443 |
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