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Author |
Kuyucak, N. |
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Title |
Conventional and new methods for treating acid mine drainage |
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Journal Article |
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Year |
1995 |
Publication |
Cami'95 – Computer Applications in the Mineral Industry |
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863-872 |
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mine water treatment |
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Conventional and new methods for treating acid mine drainage; Isip:A1995bg01c00099; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 8880 |
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144 |
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Author |
Kuyucak, N. |
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Year |
1999 |
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599-606 |
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Keywords |
hydrogeology mining water acid mine drainage environment treatment control economy oxidation sulphide hydrochemistry |
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International Mine Water Association |
Place of Publication |
Ii |
Editor |
Fernández Rubio, R. |
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Series Title |
Mine, Water & Environment |
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Acid Mine Drainage Prevention and Control Options; 1; AMD ISI | Wolkersdorfer; FG 'de' 6 Abb., 1 Tab. |
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CBU @ c.wolke @ 17373 |
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325 |
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Author |
Kuyucak, N.; Lindvall, M.; Rufo Serrano, J.A.; Oliva, A.F. |
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Year |
1999 |
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473-479 |
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HDS lime sludge mine water treatment |
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Lime neutralization is a frequently used method in the mining industry for the treatment of acid waters. These waters contain metal ions such as zinc, manganese, copper, cadmium, lead, etc. The conventional, straight lime neutralization technology generates a Low Density Sludge (LDS) having only 1-2% solids content. This creates sludge disposal difficulties, and results in the loss of potentially large quantities of recovered water, which in turn increases the demand for fresh water requirements for mining/milling activities. The High Density Sludge (HDS) process, on the other hand, is the state-of-the-art technology in North America. It generates a dense sludge with less volume and better particulate properties. Furthermore, the typical gelatinous nature of the sludge changes to a granulated, sand-like texture. Boliden Apirsa, S.L. investigated the feasibility of an HDS process to increase the treatment capacity of their existing plant, and resolve the issues associated with the LDS process for their Los Frailes project. The project required, given that the production of ore was going to be doubled, a significant increase in water was needed without altering the water reservoir sitting north of the concentrator. In addition, the final effluent quality was a priority issue. First, a pilot-scale study was undertaken in 1996, and parameters critical to the design and performance of the process were determined. The results showed that the HDS process could significantly improve the sludge characteristics by increasing the solids fraction from 1.5 to 12.0%, thereby decreasing the sludge volume to be disposed to the tailings ponds by a factor of 10. A full-scale, HDS lime neutralization treatment plant for an average flow rate of 1500 m3/hr was designed and was commissioned in early 1998 in collaboration with Colder Associates, Ottawa, Canada. So far, the full-scale treatment plant has been generating a sludge with more than 30% solids content, exceeding its target value of 12% solids. It produces excellent effluent quality, and scaling in the handling equipment is virtually eliminated. The sludge has dense, easily settable granular particles rather than fluffy flocs, yet has low viscosity that facilitates its unassisted gravity flow. The process has resulted in an increase in the treated water volume. The rate of lime consumption per unit volume of water treated also decreased. The process principles and the steps taken in process development will be discussed and the results obtained to date will be summarized in this communication. |
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International Mine Water Association |
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Editor |
Fernández Rubio, R. |
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Series Title |
Mine, Water & Environment |
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Notes |
Implementation of a High Density Sludge “HDS” Treatment Process at the Boliden Apirsa Mine Site; 1; VORHANDEN | AMD ISI | Wolkersdorfer; FG als Datei vorhanden 4 Abb., 4 Tab. |
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Call Number |
CBU @ c.wolke @ 9751 |
Serial |
322 |
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Author |
Kuyucak, N. |
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Title |
Mining, the Environment and the Treatment of Mine Effluents |
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Journal Article |
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Year |
1998 |
Publication |
Int. J. Environ. Pollut. |
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10 |
Issue |
2 |
Pages |
315-325 |
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Keywords |
mine water treatment acid mine drainage high density sludge lime neutralization mining environment passive treatment sulfate-reducing bacteria |
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Abstract |
The environmental impact of mining on the ecosystem, including land, water and air, has become an unavoidable reality. Guidelines and regulations have been promulgated to protect the environment throughout mining activities from start-up to site decommissioning. In particular, the occurrence of acid mine drainage (AMD), due to oxidation of sulfide mineral wastes, has become the major area of concern to many mining industries during operations and after site decommissioning. AMD is characterized by high acidity and a high concentration of sulfates and dissolved metals. If it cannot be prevented or controlled, it must be treated to eliminate acidity, and reduce heavy metals and suspended solids before release to the environment. This paper discusses conventional and new methods used for the treatment of mine effluents, in particular the treatment of AMD. |
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0957-4352 |
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Mining, the Environment and the Treatment of Mine Effluents; Isi:000078420600009; AMD ISI | Wolkersdorfer |
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Call Number |
CBU @ c.wolke @ 17477 |
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56 |
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Author |
Kuyucak, N.; St-Germain, P. |
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Title |
Possible options for in situ treatment of acid mine drainage seepages |
Type |
Book Chapter |
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Year |
1994 |
Publication |
Special Publication – United States. Bureau of Mines, Report: BUMINES-SP-06B-94 |
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311-318 |
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Keywords |
acid mine drainage; bacteria; base metals; biodegradation; bioremediation; carbonate rocks; experimental studies; in situ; limestone; metal ores; pollution; reduction; remediation; sedimentary rocks; seepage 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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Possible options for in situ treatment of acid mine drainage seepages; GeoRef; English; 2007-045234; International land reclamation and mine drainage conference; International conference on The abatement of acidic drainage, Pittsburgh, PA, United States, April 24-29, 1994 References: 12; illus. incl. 4 tables |
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Call Number |
CBU @ c.wolke @ 6614 |
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321 |
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