| Records |
| Author |
Stewart, D.; Norman, T.; Cordery-Cotter, S.; Kleiner, R.; Sweeney, E.; Nelson, J.D. |
| Title |
Utilization of a ceramic membrane for acid mine drainage treatment |
Type |
Journal Article |
| Year |
1997 |
Publication |
Tailings and Mine Waste '97 |
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Pages |
453-460 |
| Keywords |
acid mine drainage; Black Hawk Colorado; Central City Colorado; ceramic materials; Colorado; cost; disposal barriers; geochemistry; Gilpin County Colorado; heavy metals; mines; organic compounds; pollution; remediation; surface water; tailings; United States; utilization; volatile organic compounds; volatiles; waste disposal mine water treatment |
| Abstract |
BASX Systems LLC has developed a treatment system based on ceramic membranes for the removal of heavy metals from an acid mine drainage stream. This stream also contained volatile organic compounds that were required to be removed prior to discharge to a Colorado mountain stream. The removal of heavy metals was greater than 99% in most cases. A decrease of 30% in chemicals required for treatment and a reduction by more than 75% in labor over a competing technology were achieved. These decreases were obtained for operating temperatures of less than 5 degrees C. This system of ceramic microfiltration is capable of treating many different types of acid mine waste streams for heavy metals removal. |
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90-5410-857-6 |
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| Notes |
Jan 13-17; Utilization of a ceramic membrane for acid mine drainage treatment; Isip:A1997bg96u00050; Times Cited: 0; ISI Web of Science |
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| Call Number |
CBU @ c.wolke @ 8744 |
Serial |
135 |
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| Author |
Naugle, W.K. |
| Title |
Remediation of the Eagle Mine superfund site: a biological success story |
Type |
Journal Article |
| Year |
2003 |
Publication |
Tailings and Mine Waste '03 |
Abbreviated Journal |
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Pages |
481-485 |
| Keywords |
mine water treatment |
| Abstract |
Remediation of the Eagle Mine Superfund Site began in 1988. Remedial action included: bulk-heading adits, flooding mine workings; constructing diversion ditches around waste rock; consolidating mine wastes in an on-site tailings pile; capping the tailings pile with a multi-layer, engineered cap; and revegetating disturbed areas with native plants. Flooding the mine workings resulted in unacceptable seepage into the Eagle River in late 1989. A water treatment plant was constructed to collect mine seepage and groundwater at the main tailings pile. In October 2001, construction of the remedy was declared “complete” and the site is now in the operation, maintenance and monitoring phase. A strong downward trend in zinc and cadmium concentrations in the Eagle River has occurred and, trout and macroinvertebrate populations have increased. Biological data are being used to establish water quality standards for the Eagle River. |
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Remediation of the Eagle Mine superfund site: a biological success story; Isip:000186710100058; Times Cited: 0; ISI Web of Science |
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no |
| Call Number |
CBU @ c.wolke @ 17020 |
Serial |
157 |
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| Author |
Gobla, M.J. |
| Title |
A rapid response to cleanup – Gilt Edge Superfund Site, South Dakota |
Type |
Journal Article |
| Year |
2002 |
Publication |
Tailings and Mine Waste '02 |
Abbreviated Journal |
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Pages |
421-425 |
| Keywords |
mine water treatment |
| Abstract |
The Gilt Edge gold mine is an acid drainage site that has been put on an accelerated closure schedule. The mine ceased activities in 1999 when Dakota Mining Corporation declared bankruptcy forcing the State of South Dakota to immediatly assume water treatment operations. Evaluation of conceptual closure plan options and cost estimates led the State of South Dakota to a decision to seek Federal assistance. The site has quickly moved into reclamation mode for the principal contamination source, the Ruby waste-rock dump. Designs and specifications for capping the Ruby waste-rock dump were prepared while Superfund listing was pursued. In October of 2000, mobilization of the first reclamation contractor began and by December the site was added to the National Priorities List. Capping the waste-rock dump will address a major acid drainage source. Water treatment requirements are expected to decline as conventional methods such as diverting clean water, backfilling, grading, capping, limestone neutralization, and revegetation are implemented. Acid seepage from underground workings, steep highwalls, and some pit backfills will remain. Major field trials of emerging technologies are nearing completion and some are showing promising results. Carbon reduction in a pit lake, and pyrite microencapsulation on simulated waste dumps, are showing initial success. Their application may minimize or eliminate the need for long-term active water treatment which has been a long sought goal for major acid rock drainage sites. |
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A rapid response to cleanup – Gilt Edge Superfund Site, South Dakota; Isip:000175560600055; Times Cited: 0; ISI Web of Science |
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no |
| Call Number |
CBU @ c.wolke @ 17038 |
Serial |
160 |
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| Author |
Harrington, J.M. |
| Title |
In situ treatment of metals in mine workings and materials |
Type |
Journal Article |
| Year |
2002 |
Publication |
Tailings and Mine Waste '02 |
Abbreviated Journal |
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Issue |
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Pages |
251-261 |
| Keywords |
mine water treatment |
| Abstract |
Contact of oxygen contained in air and water with mining materials can increase the solubility of metals. In heaps leached by cyanide, metals can also be made soluble through complexation with cyanide. During closure, water in heaps, and water collected in mine workings and pit lakes may require treatment to remove these metals. In situ microbiological treatment to create reductive conditions and to precipitate metals as sulfides or elemental metal has been applied at several sites with good success. Treatment by adding organic carbon to stimulate in situ microbial reduction has been successful in removing arsenic, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, selenium, silver, tin, uranium, and zinc to a solid phase. Closure practices can affect the success of in situ treatment at mining sites, and affect the stability of treated materials. This paper defines factors that determine the cost and permanence of in situ treatment. |
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In situ treatment of metals in mine workings and materials; Isip:000175560600034; Times Cited: 0; ISI Web of Science |
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no |
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CBU @ c.wolke @ 17037 |
Serial |
161 |
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| Author |
Smyth, D.J.A.; Blowes, D.W.; Benner, S.G.; Hulshof, A.M.; Nelson, J.D. |
| Title |
In situ treatment of groundwater impacted by acid mine drainage using permeable reactive materials |
Type |
Book Chapter |
| Year |
2001 |
Publication |
Proceedings of the Eighth international conference on Tailings and mine waste '01 |
Abbreviated Journal |
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Issue |
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Pages |
313-322 |
| Keywords |
acid mine drainage; environmental management; ground water; in situ; permeability; pollution; reclamation; sulfate ion; water treatment 22, Environmental geology |
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9058091821 |
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In situ treatment of groundwater impacted by acid mine drainage using permeable reactive materials; GeoRef; English; 2003-003552; Tailings and mine waste '01, Fort Collins, CO, United States, Jan. 16-19, 2001 References: 19; illus. |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 5770 |
Serial |
236 |
| Permanent link to this record |
