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Author  |
Aston, W.M. |
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Title |
Acid mine drainage; the problem, the treatment, the cost |
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Journal Article |
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Year |
1973 |
Publication |
Green Lands Quarterly |
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3 |
Issue |
3 |
Pages |
14-15 |
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Keywords |
acid mine drainage; environment; ferric hydroxide; inorganic acids; pyrite; reclamation; sulfides; sulfuric acid 22, Environmental geology |
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0271-0110 |
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Acid mine drainage; the problem, the treatment, the cost; 1980-014546; United States (USA); GeoRef; English |
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Call Number |
CBU @ c.wolke @ 6844 |
Serial |
474 |
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Author |
Aube, B.C. |
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Title |
Molybdenum treatment at Brenda Mines |
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Journal Article |
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Year |
2000 |
Publication |
ICARD 2000, Vols I and II, Proceedings |
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Pages |
1113-1119 |
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Keywords |
mine water treatment |
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Abstract |
Brenda Mines, located 22 km Northwest of Peachland in British Columbia, Canada was an open pit copper-molybdenum mine which closed in 1990 after 20 years of operation. The primary concern in Brenda's tailings and waste rock drainage is molybdenum at a concentration of approximately 3 mg/L.. The mine drainage is alkaline and contains little or none of the typically problematic heavy metals. Given that the waters downstream are used for municipal water supply and some irrigation, a discharge limit of 0.25 mg/L molybdenum was imposed with specific water quality guidelines in the receiving creek. A. review of all existing and potential molybdenum removal methods was undertaken prior to mine closure. The chosen process is a two-step iron co-precipitation with clarification and sand filtration at a slightly acidic pH. A 4,000 usgpm (912 m(3)/h) treatment plant was constructed and commissioned in 1998, at a cost of $10.5M. The successful removal of molybdenum from the drainage water is explained with details on some design innovations and operational challenges encountered during plant start-up. Investigated sludge disposal options are discussed although the long term disposal scenario has not yet been finalised. |
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Molybdenum treatment at Brenda Mines; Isip:000169875500109; Times Cited: 0; ISI Web of Science |
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Call Number |
CBU @ c.wolke @ 17104 |
Serial |
167 |
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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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Keywords |
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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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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Series Title |
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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Call Number |
CBU @ c.wolke @ 16574 |
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473 |
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Author |
Ayala, J.; Fernández, B. |
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Book Whole |
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Year |
2005 |
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Abbreviated Journal |
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649-654 |
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flying ash copper cyanide gold mine tailing ponds detoxification |
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The objective of this study was to examine the use of flying ash to remove the copper cyanide species from gold mine effluents. In order to discharge them safely with minimum impact to the environment the effluents must be treated in such a way that the legal conditions were attained with the lowest possible cost. This paper presents the treatment of cyanide solution originating from tailing ponds at the end of detoxification by direct contact with flying ash. |
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University of Oviedo |
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Oviedo |
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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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Adsorption of copper cyanide species from tailings pond on flying ash; 1; AMD ISI | Wolkersdorfer; FG 'aha' 4 Abb., 6 Tab. |
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Call Number |
CBU @ c.wolke @ 17296 |
Serial |
472 |
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Author |
Aytas, S.O.; Akyil, S.; Aslani, M.A.A.; Aytekin, U. |
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Title |
Removal of uranium from aqueous solutions by diatomite (Kieselguhr) |
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Journal Article |
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Year |
1999 |
Publication |
Journal of Radioanalytical and Nuclear Chemistry |
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Volume |
240 |
Issue |
3 |
Pages |
973-976 |
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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 |
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Call Number |
CBU @ c.wolke @ 5964 |
Serial |
471 |
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