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Dunn, J.; Russell, C.; Morrissey, A. |
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Title |
Remediating historic mine sites in Colorado |
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Journal Article |
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Year |
1999 |
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Min. Eng. |
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51 |
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8 |
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32-35 |
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Reclamation and conservation Groundwater problems and environmental effects geological abstracts: environmental geology (72 14 1) geomechanics abstracts: excavations (77 10 10) abandoned mine acid mine drainage environmental effect remediation United States Colorado |
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Abstract |
This article provides examples of reclamation and remediation in Colorado watersheds. The projects were undertaken by the US Environmental Protection Agency (EPA) Region 8, in cooperation with the Colorado Division of Minerals and Geology (CDMG), Colorado Department of Public Health and Environment (CDPHE), US Forest Service (USFS), the Bureau of Land Management (BLM), Bureau of Reclamation (BOR) and the US Geological Survey (USGS). These agencies collaborated on the environmental problems at abandoned mines. These samples involved the interaction of surface and ground waters with sulfide-bearing rocks, mine workings and surface mine spoils that produce acid solutions charged with heavy metals that are toxic to organisms. In these examples, acid mine drainage from historic mines in Colorado has been approached cooperatively with stakeholders. Each example emphasizes one aspect of the three-stage process. These stages include characterization and prioritization, hydrologic controls and the evaluation of long-term remediation activities. |
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J. Dunn, US Environmental Protection Agency, Region 8, 999 18(th) St., Suite 500, Denver, CO 80202-2466, United States |
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0026-5187 |
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Remediating historic mine sites in Colorado; 0434641; United-States; Geobase |
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CBU @ c.wolke @ 17547 |
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398 |
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Plumlee, G.S. |
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Title |
Mine-drainage waters as potential economic resources |
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Journal Article |
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1995 |
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SEG Newsletter |
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22 |
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6-7 |
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acid mine drainage; Colorado; concentration; geochemistry; hydrochemistry; metals; mine drainage; mineral resources; mines; remediation; Rio Grande County Colorado; Summitville Mine; United States; utilization 27A, Economic geology, geology of ore deposits |
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Mine-drainage waters as potential economic resources; 2004-033372; References: 7; 1 table United States (USA); GeoRef; English |
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CBU @ c.wolke @ 6428 |
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268 |
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Stewart, D.; Norman, T.; Cordery-Cotter, S.; Kleiner, R.; Sweeney, E.; Nelson, J.D. |
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Title |
Utilization of a ceramic membrane for acid mine drainage treatment |
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Journal Article |
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Year |
1997 |
Publication |
Tailings and Mine Waste '97 |
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453-460 |
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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 |
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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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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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CBU @ c.wolke @ 8744 |
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135 |
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Swoboda-Colberg, N.; Colberg, P.; Smith, J.L. |
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Title |
Constructed vertical flow aerated wetlands |
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RPT |
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1994 |
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acid mine drainage; aeration; Butte Montana; carbonate rocks; case studies; clastic sediments; Clear Creek County Colorado; Colorado; construction; controls; fluid dynamics; gravel; heavy metals; Idaho Springs Colorado; limestone; Montana; pollution; rates; sedimentary rocks; sediments; Silver Bow County Montana; substrates; tailings; United States; waste water; water; water management; water quality; water treatment; wetlands 22, Environmental geology |
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In the report, wetland technology is described in which the main reactive layer is limestone gravel (rather than organic material) which is overlain by a fine gravel filter and soil. The three-year project included laboratory and field studies. Vertical aerated wetlands, simulated by columns, constructed in the field and in the laboratory, were operated during the project. The report presents a summary of results given in previous reports and summaries of results obtained using water from Butte, MT, and field studies at the Rockford Tunnel, near Idaho Springs, CO. |
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University of Wyoming, L.W.Y.U.S. performer |
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Constructed vertical flow aerated wetlands; 1998-003373; GeoRef; English; Final report. Grant DI-196561 National Technical Information Service, (703)605-6000, order number PB96-196811NEG, Springfield, VA, United States |
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CBU @ c.wolke @ 6506 |
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226 |
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Author |
Neukirchner, R.J.; Lord, G.G.; Nelson, J.D. |
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Title |
Covering of soft mine tailings |
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Journal Article |
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1998 |
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acid mine drainage; Colorado; disposal barriers; Eagle Mine; layered materials; mines; Minturn Colorado; pollution; remediation; Superfund; tailings; United States; waste disposal 22, Environmental geology |
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Proceedings of the ... International Conference on Tailings and Mine Waste, vol.5 |
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Tailings and mine waste '98; proceedings of the the Fifth international conference |
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1999-024056; Fifth international conference on Tailings and mine waste '98, Fort Collins, CO, United States, Jan. 26-28, 1998 References: 1; illus. incl. 1 table; GeoRef; English |
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CBU @ c.wolke @ 6172 |
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287 |
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