Records |
Author  |
Kuyucak, N. |
Title |
Acid mining drainage prevention and control |
Type |
Journal Article |
Year |
2001 |
Publication |
Mining Environmental Management |
Abbreviated Journal |
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Volume |
9 |
Issue |
1 |
Pages |
12-15 |
Keywords |
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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ISSN |
0969-4218 |
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Notes |
Acid mining drainage prevention and control; 2001-050583; References: 21; illus. incl. 1 table United Kingdom (GBR); GeoRef; English |
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no |
Call Number |
CBU @ c.wolke @ 5741 |
Serial |
323 |
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Author  |
Kuyucak, N.; Lindvall, M.; Rufo Serrano, J.A.; Oliva, A.F. |
Title |
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Type |
Book Whole |
Year |
1999 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
473-479 |
Keywords |
HDS lime sludge mine water treatment |
Abstract |
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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Publisher |
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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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. |
Approved |
no |
Call Number |
CBU @ c.wolke @ 9751 |
Serial |
322 |
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Author  |
Laine, D.M. |
Title |
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Type |
Book Whole |
Year |
1999 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
581-584 |
Keywords |
hydrogeology mining water treatment quality hydroxide flow pumping hydrochemistry sedimentation wetland |
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Publisher |
International Mine Water Association |
Place of Publication |
Ii |
Editor |
Fernández Rubio, R. |
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Mine, Water & Environment |
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Notes |
Remediation of the Old Meadows Gravity Minewater Discharge; 1; AMD ISI | Wolkersdorfer; FG 'de' 5 Abb., 1 Tab. |
Approved |
no |
Call Number |
CBU @ c.wolke @ 9757 |
Serial |
320 |
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Author  |
Landers, J. |
Title |
Bioremediation method could cut cost of treating acid rock drainage |
Type |
Journal Article |
Year |
2006 |
Publication |
Civil Engineering |
Abbreviated Journal |
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Volume |
76 |
Issue |
7 |
Pages |
30-31 |
Keywords |
Pollution and waste management non radioactive geological abstracts: environmental geology (72 14 2) bioremediation cost benefit analysis water treatment acid mine drainage pollutant removal lake water heavy metal Lawrence County South Dakota South Dakota United States North America |
Abstract |
The Gilt Edge Mine in South Dakota's Lawrence County was a gold mine that was abandoned later when its recent owner went bankrupt. Seeking a cost-effective method for treating millions of gallons of acid rock drainage (ARD), CDM partnered with Green World Science, Inc. (GWS) of Boise, Idaho, for the development of an in situ bioremediation process that can be used to remove metals from pit lake water. Recent testing revealed that the in situ bioremediation method can successfully remove metals from highly acidic water without the need to construct costly water treatment facilities. |
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0885-7024 |
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Trade-; Bioremediation method could cut cost of treating acid rock drainage; 2896866; United-States; Geobase |
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no |
Call Number |
CBU @ c.wolke @ 17490 |
Serial |
318 |
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Author  |
Larsen, H.P. |
Title |
Chemical Treatment Of Metal-Bearing Mine Drainage |
Type |
Journal Article |
Year |
1973 |
Publication |
J. Water Poll. Control Fed. |
Abbreviated Journal |
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Volume |
45 |
Issue |
8 |
Pages |
1682-1695 |
Keywords |
mine water treatment |
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Chemical Treatment Of Metal-Bearing Mine Drainage; Wos:A1973q499100009; Times Cited: 12; ISI Web of Science |
Approved |
no |
Call Number |
CBU @ c.wolke @ 9257 |
Serial |
100 |
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