| Records |
| Author |
Bowell, R.J. |
| Title |
Sulphate and salt minerals; the problem of treating mine waste |
Type  |
Journal Article |
| Year |
2000 |
Publication |
Mining Environmental Management |
Abbreviated Journal |
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| Volume |
8 |
Issue |
3 |
Pages |
11-13 |
| Keywords |
acid mine drainage; acidification; decontamination; discharge; dissolved materials; ecology; effluents; geomembranes; lime; mines; pollution; precipitation; protection; recycling; reverse osmosis; soils; surface water; suspended materials; toxic materials; waste disposal; waste management 22, Environmental geology |
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| ISSN |
0969-4218 |
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| Notes |
Sulphate and salt minerals; the problem of treating mine waste; 2000-062783; illus. incl. 4 tables United Kingdom (GBR); GeoRef; English |
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no |
| Call Number |
CBU @ c.wolke @ 5834 |
Serial |
440 |
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| Author |
Bolzicco, J.; Carrera, J.; Ayora, C. |
| 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 |
Type |
Journal Article |
| Year |
2004 |
Publication |
Revista Latino-Americana de Hidrogeologia |
Abbreviated Journal |
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| Volume |
4 |
Issue |
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Pages |
27-34 |
| 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 |
| 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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no |
| Call Number |
CBU @ c.wolke @ 16471 |
Serial |
443 |
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| Author |
Aytas, S.O.; Akyil, S.; Aslani, M.A.A.; Aytekin, U. |
| Title |
Removal of uranium from aqueous solutions by diatomite (Kieselguhr) |
Type |
Journal Article |
| Year |
1999 |
Publication |
Journal of Radioanalytical and Nuclear Chemistry |
Abbreviated Journal |
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| Volume |
240 |
Issue |
3 |
Pages |
973-976 |
| Keywords |
acid mine drainage; actinides; adsorption; aqueous solutions; clastic rocks; concentration; decontamination; diatomite; experimental studies; isotherms; laboratory studies; metals; pH; physicochemical properties; pollution; remediation; sedimentary rocks; solutes; sorption; techniques; uranium; uranyl ion; waste disposal; waste water 22, Environmental geology |
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0236-5731 |
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Removal of uranium from aqueous solutions by diatomite (Kieselguhr); 2000-058980; References: 18; illus. incl. 3 tables International (III); GeoRef; English |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 5964 |
Serial |
471 |
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| Author |
Aube, B.C.; Zinck, J.M. |
| Title |
Comparison of AMD treatment processes and their impact on sludge characteristics |
Type |
Journal Article |
| Year |
1999 |
Publication |
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Issue |
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Pages |
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acid mine drainage cost decontamination density discharge geochemistry hydrochemistry leaching lime metals mine dewatering neutralization pH pollution remediation sludge stability tailings toxicity viscosity waste disposal water treatment 22, Environmental geology |
| Abstract |
Lime neutralisation for the treatment of acid mine drainage is one of the oldest water pollution control techniques practised by the mineral industry. Several advances have been made in the process in the last thirty years, particularly with respect to discharge concentrations and sludge density. However, the impact of different treatment processes on metal leachability and sludge handling properties has not been investigated. A study of treatment sludges sampled from various water treatment plants has shown that substantial differences can be related to the treatment process and raw water composition. This study suggests that sludge densities, excess alkalinity, long-term compaction properties, metal leachability, crystallinity and cost efficiency can be affected by the neutralisation process and specific process parameters. The study also showed that the sludge density and dewatering ability is not positively correlated with particle size as previously suggested in numerous studies. The treatment process comparisons include sludge samples from basic lime treatment, the conventional High Density Sludge (HDS) Process, and the Geco HDS Process. |
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Sudbury |
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Mining and the Environment II |
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2002-060865; Sudbury '99; Mining and the environment II--Sudbury '99; L'exploitation miniere et l'environnement, Sudbury, ON, Canada, Sept. 13-17, 1999 References: 10; illus. incl. 6 tables; GeoRef; English |
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no |
| Call Number |
CBU @ c.wolke @ 16574 |
Serial |
473 |
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| Author |
Ashby, J.C. |
| Title |
Injecting alkaline lime sludge and FGD material into underground mines for acid abatement |
Type |
Journal Article |
| Year |
2001 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
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| Keywords |
acid mine drainage; air quality; alkalinity; chemical composition; coal; combustion; discharge; energy sources; gaseous phase; industrial waste; monitoring; pollution; power plants; regulations; remediation; sedimentary rocks; soils; tailings ponds; toxicity; waste disposal 22, Environmental geology |
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West Virginia Surface Mine Drainage Task Force Symposium |
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Proceedings, 22nd West Virginia surface mine drainage task force symposium |
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2002-047119; Twenty-second West Virginia surface mine drainage task force symposium, Morgantown, WV, United States, April 3-4, 2001 References: 5; illus. incl. 3 tables; GeoRef; English |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 5763 |
Serial |
475 |
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