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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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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 |
Serial |
473 |
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Author |
Pettit, C.M.; Scharer, J.M.; Chambers, D.B.; Halbert, B.E.; Kirkaldy, J.L.; Bolduc, L. |
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Title |
Neutral mine drainage |
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Book Chapter |
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Year |
1999 |
Publication |
Sudbury '99; mining and the environment II; Conference proceedings |
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Keywords |
acid mine drainage drainage geochemistry mining mining geology models neutral mine drainage pH pollution remediation technology water management water quality water resources 22, Environmental geology |
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Abstract |
Acid mine drainage is recognized as a serious environmental issue at mine sites world wide. While sulphate and metal concentrations in acidic drainage can reach exceptionally high levels, these can also be elevated and of concern in neutral drainage from waste rock and tailings. “Neutral mine drainage” (NMD) has not yet received as widespread attention as acid mine drainage (AMD). The oxidation of sulphide minerals and the production of either acidic or neutral contaminated drainage is affected by many factors. This paper examines the specific factors that result in the production of “neutral mine drainage” from mine wastes. Several case studies are presented which involve predictive geochemical modelling to illustrate the possible time frame and magnitude of contaminated neutral drainage. |
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Sudbury Environmental |
Place of Publication |
Sudbury |
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Goldsack, D.; Belzile, N.; Yearwood, P.; Hall, G.J. |
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0886670470 |
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Neutral mine drainage; GeoRef; English; 2000-043769; Sudbury '99; Mining and the environment II--Sudbury '99; L'exploitation miniere et l'environnement II, Sudbury, ON, Canada, Sept. 13-17, 1999 References: 12; illus. incl. 3 tables |
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Call Number |
CBU @ c.wolke @ 16589 |
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270 |
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Author |
Canty, G.A.; Everett, J.W. |
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Title |
Remediation of underground mine areas through treatment with fly ash |
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Journal Article |
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1999 |
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Keywords |
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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Call Number |
CBU @ c.wolke @ 7240 |
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423 |
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Author |
Hazen, J.M. |
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Title |
Acid mine drainage characterization and remediation using a combination of hydrometric measurements, isotopes and dissolved solutes |
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Book Whole |
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Year |
2000 |
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Acid mine drainage Metals Environmental aspects Water quality Colorado Measurement |
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Ph.D. thesis |
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University of Colorado, |
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Acid mine drainage characterization and remediation using a combination of hydrometric measurements, isotopes and dissolved solutes; Opac |
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Call Number |
CBU @ c.wolke @ 7243 |
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357 |
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Author |
Skousen, J.G.; Rose, A.; Geidel, G.; Foreman, J.; Evans, R.; Hellier, W. |
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Book Whole |
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Year |
1998 |
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130 pp |
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Keywords |
acid mine drainage mine water remediation |
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Abstract |
An array of techniques have been developed during the last several decades to abate or control pollution by acid mine drainage (AMD) from coal and metal mines. Although most of these techniques are successful in eliminating or decreasing the deleterious effects of AMD in some situations, they are unsuccessful in others. Due to the inherent variability between mines and environmental conditions, no one abatement or treatment technique is effective on all sites, and selection of the best method on each site is difficult given the array of methods available. The techniques also vary in the type and size of problem they are capable of handling. Their individual costs, effectiveness, and maintenance are also important considerations. Therefore, accurate information is needed to understand the limitations of the various methods and their response to various site variables. Continued research is imperative for field testing of existing technologies, as well as continued development of new technologies. At present, there is no authoritative guide or manual to assist in evaluating the best technique for a given situation. In order to continue to mine coal and other minerals without harming the environment, the best science and techniques must be identified and implemented in order to minimize the production of AMD. To accomplish this goal, the Acid Mine Drainage Technology Initiative (ADTI) was organized to promote communication among scientists and engineers dealing with AMD, and to develop a consensus on the identification and optimum usage of each method. The intent is to provide information on selection of appropriate techniques for specific problems that will ultimately lead to a higher level of success in avoidance of AMD and remediation of existing sources, at a savings in cost and staff time, and with greater assurance that a planned technique will accomplish its objective. This effort will result in enhancement of mine drainage quality, improvement in stream cleanup and its cost effectiveness, and development of a mechanism for technology transfer. |
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The National Mine Land Reclamation Center |
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Morgantown |
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Series Title |
Handbook of Technologies for Avoidance and Remediation of Acid Mine Drainage |
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Notes |
Handbook of Technologies for Avoidance and Remediation of Acid Mine Drainage; 2; VORHANDEN | AMD ISI | Wolkersdorfer; FG als Datei vorhanden 3 Abb. |
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Call Number |
CBU @ c.wolke @ 17424 |
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243 |
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