| Records |
Author  |
Wieder, R.K. |
| Title |
A survey of constructed wetlands for acid coal mine drainage treatment in the Eastern United States |
Type |
Journal Article |
| Year |
1989 |
Publication |
Wetlands |
Abbreviated Journal |
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| Volume |
9 |
Issue |
2 |
Pages |
299-315 |
| Keywords |
acid mine drainage; coal; Eastern U.S.; environmental geology; human activity; organic residues; Pennsylvania; pollution; reclamation; sedimentary rocks; United States; water quality; water treatment; wetlands 22 Environmental geology; 21 Hydrogeology |
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| ISSN |
0277-5212 |
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| Notes |
A survey of constructed wetlands for acid coal mine drainage treatment in the Eastern United States; 1990-040374; Dec References: 19; illus. incl. 4 tables United States (USA); GeoRef; English |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 6755 |
Serial |
212 |
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| Author |
Smit, J.P. |
| Title |
Potable water from sulphate polluted mine sources |
Type |
Journal Article |
| Year |
2000 |
Publication |
Mining Environmental Management |
Abbreviated Journal |
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| Volume |
8 |
Issue |
6 |
Pages |
7-9 |
| Keywords |
acid mine drainage; Africa; cost; drinking water; economics; pollutants; pollution; potability; remediation; South Africa; Southern Africa; sulfates; water quality; water resources 21 Hydrogeology; 22 Environmental geology |
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| ISSN |
0969-4218 |
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Potable water from sulphate polluted mine sources; 2001-038331; illus. incl. 5 tables United Kingdom (GBR); GeoRef; English |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 5799 |
Serial |
239 |
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| Author |
Mitchell, P.; Wheaton, A. |
| Title |
From environmental burden to natural resource; new reagents for cost-effective treatment of, and metal recovery from, acid rock drainage |
Type |
Book Chapter |
| Year |
1999 |
Publication |
Sudbury '99; Mining and the environment II; Conference proceedings |
Abbreviated Journal |
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Issue |
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Pages |
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| Keywords |
acid mine drainage Bunker Hill Mine cost decontamination Idaho metal ores mines mitigation natural resources pollution reagents recovery Shoshone County Idaho sludge United States zinc ores 22 Environmental geology 27A Economic geology, geology of ore deposits |
| Abstract |
Acid rock drainage remains the greatest environmental issue faced by the mining sector and as the new millennium approaches, low capital/operating cost treatments remain elusive. Therefore as part of an ongoing process to develop a leading edge, innovative and cost-effective approach, pilot trials were conducted by KEECO in collaboration with the New Bunker Hill Mining Company on a substantial and problematic metal-contaminated acid flow, emanating from underground workings at the Bunker Hill Mine, Idaho. The aims of the work were fourfold. First to assess the capacity of KEECO's unique Silica Micro Encapsulation (SME) reagents and associated dosing systems to cost-effectively decontaminate the acid flow to stringent standards set by the U.S. Environmental Protection Agency (USEPA), where alternative and standard technologies had failed. Second, to demonstrate that treatment using a compact system suitable for underground installation. Third, to demonstrate that the treatment sludge had enhanced chemical stability in absolute terms and relative to standard approaches. Fourth, to examine the potential for resource recovery via sequential precipitation. Although the focus to date has been the development of a cost-effective treatment technology, the latter aim was considered essential in light of the growing pressure on all industrial sectors to develop tools for environmentally sustainable economic growth and the growing demands of stakeholders for improved resource usage and recycling. Two phases of work were undertaken: a laboratory-based scoping exercise followed by installation within the mine workings of a compact reagent delivery/shear mixing unit capable of treating the full flow of 31 L s (super -1) . At a dose rate of 2.0 g L (super -1) (equivalent to a final treated water pH range of 7-9), the SME reagent KB-1 reduced metal concentrations to levels approaching the U.S. Drinking Water Standards, which no other treatment piloted at the site had achieved. Based on the USEPA's Toxicity Characteristic Leaching Procedure, the sludge arising from the treatment was classified as non-hazardous. Operating costs compared favourably with those of lime use, while estimated capital costs were considerably lower due to the compact nature of the reagent delivery system and the rapid settling characteristics of the treatment sediment. Resource recovery was attempted using a two-stage selective precipitation approach. The first stage involved pH adjustment to 5.5 (by addition of 1.5 g L (super -1) of KB-1) to produce a sludge enriched in aluminium, iron and manganese, with lesser amounts of arsenic, nickel, lead and zinc. Further KB-1 addition to a total of 2.1 g L (super -1) generated sludge enriched in zinc (33% by dry weight), demonstrating that resource recovery is theoretically feasible. Further work on downstream processing is required, although it is considered that the most likely route for zinc metal recovery will be high temperature/pressure due to the chemically inert nature of the zinc-rich sediment. |
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Goldsack, D.E.; Belzile, N.; Yearwood, P.; Hall, G.J. |
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Edition |
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ISBN |
0886670470 |
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| Notes |
From environmental burden to natural resource; new reagents for cost-effective treatment of, and metal recovery from, acid rock drainage; GeoRef; English; 2000-048642; Sudbury '99; Mining and the environment II, Sudbury, ON, Canada, Sept. 13-17, 1999 References: 3; illus. incl. 5 tables |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 16593 |
Serial |
296 |
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| Author |
Haferkorn, B.; Mueller, M.; Zeh, E.; Benthaus, F.K.; Pester, L.; Lietzow, A.; Mansel, H.; Weber, H.; Franke, K.; Gelessius, G. |
| Title |
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Type |
Book Whole |
| Year |
1999 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
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| Keywords |
abandoned mines; Central Europe; coal; ecology; Europe; geochemistry; Germany; ground water; hydrochemistry; hydrologic cycle; hydrology; lacustrine environment; lignite; limnology; mine drainage; mines; mining; monographs; pH; quality; remediation; reservoirs; Saxonian Massif; Saxony Germany; Saxony-Anhalt Germany; sedimentary rocks; surface mining; surface water 21 Hydrogeology; 22 Environmental geology; 28B Economic geology, economics of nonmetal deposits |
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Lmbv |
Place of Publication |
Berlin |
Editor |
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Series Title |
Schaffung von Tagebauseen im mitteldeutschen Bergbaurevier; die Wiederherstellung eines sich selbst regulierenden Wasserhaushaltes in den Braunkohleabbaugebieten des Freistaates Sachsen (Nordwestsachsen), des Landes Sachsen-Anhalt und des Freistaates Thueringen. Creation of open-pit lakes in central Germany mining district; the reclamation of some self-regulating water balance in abandoned lignite regions of the Saxony Free States Northwest Saxony), of the Saxony-Anhalt state and Free States |
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Schaffung von Tagebauseen im mitteldeutschen Bergbaurevier; die Wiederherstellung eines sich selbst regulierenden Wasserhaushaltes in den Braunkohleabbaugebieten des Freistaates Sachsen (Nordwestsachsen), des Landes Sachsen-Anhalt und des Freistaates Thueringen. Creation of open-pit lakes in central Germany mining district; the reclamation of some self-regulating water balance in abandoned lignite regions of the Saxony Free States Northwest Saxony), of the Saxony-Anhalt state and Free States; 351547-1; GeoRef In Process; German; References: 33; illus. incl. sects., 14 plates, 13 tables, geol. sketch maps |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 6100 |
Serial |
362 |
| Permanent link to this record |
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| Author |
Guo, F.; Yu, H. |
| Title |
Hydrogeochemistry and treatment of acid mine drainage in southern China |
Type |
Book Chapter |
| Year |
1993 |
Publication |
Proceedings of the Annual National Meeting – American Society for Surface Mining and Reclamation, vol.10 |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
277-283 |
| Keywords |
acid mine drainage Asia bacteria chemical reactions China coal mines ecology Far East geochemistry hydrochemistry Jiangxi China lime mines oxidation pH pollution sulfides surface water trace elements water quality 22 Environmental geology 02B Hydrochemistry |
| Abstract |
Coal mines and various sulfide ore deposits are widely distributed in Southern China. Acid mine drainage associated with coal and metal sulfide deposits affects water quality in some mined areas of Southern China. Mining operations accelerate this natural deterioration of water quality by exposing greater surface areas of reactive minerals to the weathering effects of the atmosphere, hydrosphere, and biosphere. Some approaches to reduce the effects of acid mine drainage on water quality are adopted, and they can be divided into two aspects: (a) Man-made control technology based on long-term monitoring of acid mine drainage; and, (b) Neutralization of acidity through the addition of lime. It is important that metals in the waste water are removed in the process of neutralization. A new method for calculating neutralization dosage is applied. It is demonstrated that the calculated value is approximately equal to the actual required value. |
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Zamora, B.A.; Connolly, R.E. |
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Series Title |
The challenge of integrating diverse perspectives in reclamation |
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| Notes |
Hydrogeochemistry and treatment of acid mine drainage in southern China; GeoRef; English; 2002-028935; 10th annual national meeting of the American Society for Surface Mining and Reclamation, Spokane, WA, United States, May 16, 1993 References: 3; illus. incl. 4 tables |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 16744 |
Serial |
366 |
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