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Author |
Aube, B.C.; Zinck, J.M. |
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Title |
Comparison of AMD treatment processes and their impact on sludge characteristics |
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Journal Article |
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Year |
1999 |
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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 |
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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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CBU @ c.wolke @ 16574 |
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473 |
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Author |
Kuyucak, N. |
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Title |
Acid mining drainage prevention and control |
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Journal Article |
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Year |
2001 |
Publication |
Mining Environmental Management |
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9 |
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1 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
12-15 |
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acid mine drainage; bacteria; biodegradation; chemical properties; controls; disposal barriers; dissolved materials; geomembranes; heavy metals; hydrolysis; leaching; migration of elements; moisture; oxidation; permeability; pollution; ponds; preventive measures; reclamation; retention; risk assessment; sulfate ion; sulfides; synthetic materials; tailings; toxic materials; underground installations; underground storage; waste disposal; waste management; water pollution; water treatment 22, Environmental geology |
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0969-4218 |
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Acid mining drainage prevention and control; 2001-050583; References: 21; illus. incl. 1 table United Kingdom (GBR); GeoRef; English |
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CBU @ c.wolke @ 5741 |
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323 |
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Author |
Luna Bernal, R.; Delgado Venero, O. |
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Title |
Origin and treatment of underground waters from Cerro de Pasco mine, Peru |
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Journal Article |
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Year |
1985 |
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Proceedings, 2nd International Mine Water Association Congress |
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1 |
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27-40 |
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acid mine andes ground water leaching mine drainage peru Bergwerk Centromin Peru Blei Zink Typ Sickerwasser Grubenwasser Abwasser Reinigung Wasserkreislauf Bacteria Auslaugung Technologie Kosten Regionalgeologie chemische Reaktion Kupfererz Alkalinitaet Profil Peru |
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Abstract |
die geologischen und hydrogeologischen gegebenheiten der lagerstaette werden im zusammenhang mit der herkunft der grubenwaesser erlaeutert. grosse mengen alkalischer waesser und saurer loesungen muessen aus den gruben entfernt werden. letztere enthalten kupfer- und eisen-schwefel- bakterien und werden zum auslaugen in situ und von halden verwendet. der wasserkreislauf in den gruben wird schematisch dargestellt. |
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84-398-4772-6 |
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Origin and treatment of underground waters from Cerro de Pasco mine, Peru; 1; LAA:(1985-172) 7 Abb.; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17383 |
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313 |
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Author |
Simmons, J.; Ziemkiewicz, P.; Black, D.C. |
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Title |
Use of Steel Slag Leach Beds for the Treatment of Acid Mine Drainage |
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Journal Article |
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Year |
2002 |
Publication |
Mine Water Env. |
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21 |
Issue |
2 |
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91-99 |
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acid mine drainage Beaver Creek check dam leach beds leaching metal sequestration mine water leaching procedure open limestone channel steel slag West Virginia |
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Steel slag from the Waylite steel-making plant in Bethlehem, Pennsylvania was leached with acidic mine drainage (AMD) of a known quality using an established laboratory procedure. Leaching continued for 60 cycles and leachates were collected after each cycle. Results indicated that the slag was very effective at neutralizing acidity. The AMD/slag leachates contained higher average concentrations of Ba, V, Mn, Cr, As, Ag, and Se and lower average concentrations of Sb, Fe, Zn, Be, Cd, Tl, Ni, Al, Cu, and Pb than the untreated AMD. Based on these tests, slag leach beds were constructed at the abandoned McCarty mine site in Preston County, West Virginia. The leach beds were constructed as slag check dams below limestone-lined settling basins. Acid water was captured in limestone channels and directed into basins to leach through the slag dams and discharge into a tributary of Beaver Creek. Since installation in October 2000, the system has been consistently producing net alkaline, pH 9 water. The treated water is still net alkaline and has a neutral pH after it encounters several other acidic seeps downstream. |
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1025-9112 |
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Use of Steel Slag Leach Beds for the Treatment of Acid Mine Drainage; 1; FG 20 Abb., 4 Tab.; AMD ISI | Wolkersdorfer |
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Call Number |
CBU @ c.wolke @ 17421 |
Serial |
249 |
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Author |
Evangelou, V.P. |
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Title |
Potential microencapsulation of pyrite by artificial inducement of FePO (sub 4) coatings |
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Book Chapter |
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Year |
1994 |
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Special Publication – United States. Bureau of Mines, Report: BUMINES-SP-06B-94 |
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96-103 |
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Keywords |
acid mine drainage chemical reactions leaching oxidation pollutants pollution pyrite remediation sulfides tailings theoretical studies waste disposal weathering rinds 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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Potential microencapsulation of pyrite by artificial inducement of FePO (sub 4) coatings; GeoRef; English; 2007-045209; International land reclamation and mine drainage conference; International conference on The abatement of acidic drainage, Pittsburgh, PA, United States, April 24-29, 1994 References: 11; illus. |
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Call Number |
CBU @ c.wolke @ 16711 |
Serial |
386 |
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