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Author |
Kleinmann, R.L.P. |
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Title |
Treatment of mine drainage by anoxic limestone drains and constructed wetlands |
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Journal Article |
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Year |
1998 |
Publication |
Acidic Mining Lakes |
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303-319 |
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Keywords |
mine water treatment |
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Treatment of mine drainage by anoxic limestone drains and constructed wetlands; Isip:000078867600016; Times Cited: 0; ISI Web of Science |
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Call Number |
CBU @ c.wolke @ 8621 |
Serial |
179 |
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Author |
Ball, B.R. |
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Title |
Advanced oxidation treatment of mine drainage |
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Journal Article |
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Year |
1996 |
Publication |
Second International Symposium on Extraction and Processing for the Treatment and Minimization of Wastes – 1996 |
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363-376 |
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Keywords |
mine water treatment |
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Abstract |
An investigation of the effects of ozone and ozone-induced hydroxyl radical on reducing whole affluent toxicity is described and discussed relative to the application of ozone for industrial water treatment. Results from operation of an ozone system treating industrial affluent from a lead and zinc mine in Colorado are presented. The mine discharges 1,000 gpm of wastewater into a tributary of the Arkansas River and has historically exceeded Whole Effluent Toxicity (WET) limits and on occasion has exceeded numeric limits for copper, ammonia, and cyanide. Based on results of a Toxicity Identification Evaluation (TIE) conducted on the effluent and individual process waste streams, the source of effluent toxicity is believed to be primarily associated with organic reagents used in the milling process. |
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Advanced oxidation treatment of mine drainage; Isip:000078691700031; Times Cited: 0; ISI Web of Science |
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Call Number |
CBU @ c.wolke @ 17173 |
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180 |
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Author |
Waring, C.L.; Taylor, J.R. |
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Book Whole |
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Year |
1999 |
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Abbreviated Journal |
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663-665 |
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Keywords |
in-situ mine water treatment |
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International Mine Water Association |
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Fernández Rubio, R. |
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Mine, Water & Environment |
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A new technique for building in-situ sub-surface hydrologic barriers: NBT; 1; AMD ISI | Wolkersdorfer; 3 Abb., 1 Tab. |
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CBU @ c.wolke @ 9947 |
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218 |
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Author |
Limited, S.C. |
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1994 |
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179 pp |
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AMD acid mine drainage mine water treatment active treatment |
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The Mine Environment Neutral Drainage [MEND] Program |
Place of Publication |
3.32.1 |
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MEND Report |
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Acid Mine Drainage – Status of Chemical Treatment and Sludge Management Practices; 2; VORHANDEN | AMD ISI | Wolkersdorfer; als Datei vorhanden |
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Call Number |
CBU @ c.wolke @ 9890 |
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315 |
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Author |
Kuyucak, N.; Lindvall, M.; Rufo Serrano, J.A.; Oliva, A.F. |
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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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Publisher |
International Mine Water Association |
Place of Publication |
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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. |
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Call Number |
CBU @ c.wolke @ 9751 |
Serial |
322 |
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