| Records |
| Author |
Baker, K.A.; Fennessy, M.S.; Mitsch, W.J. |
| Title |
Designing wetlands for controlling coal mine drainage: an ecologic- economic modelling approach |
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Journal Article |
Year  |
1991 |
Publication |
Ecological Economics |
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| Volume |
3 |
Issue |
1 |
Pages |
1-24 |
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mine drainage economic cost iron removal simulation model ecotechnology modelling approach treatment efficiency wetland design wastewater treatment USA Alabama USA Tennessee USA Ohio |
| Abstract |
A simulation model is developed of the efficiency and economics of an application of ecotechnology – using a created wetland to receive and treat coal mine drainage. The model examines the role of loading rates of iron on treatment efficiencies and the economic costs of wetland versus conventional treatment of mine drainage. It is calibrated with data from an Ohio wetland site and verified from multi-site data from Tennessee and Alabama. The model predicts that iron removal is closely tied to loading rates and that the cost of wetland treatment is less than that of conventional for iron loading rates of approximately 20-25 g Fe m “SUP -2” day “SUP -1” and removal efficiencies less than 85%. A wetland to achieve these conditions would cost approximately US$50 000 per year according to the model. When higher loading rates exist and higher efficiencies are needed, wetland systems are more costly than conventional treatment. -Authors |
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Third author School of Natural Resources & Environmental Biology Program, Ohio State Univ., Columbus, OH 43210-1085, USA |
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0921-8009 |
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Mar.; Designing wetlands for controlling coal mine drainage: an ecologic- economic modelling approach; (0882174); 91h-08506; Using Smart Source Parsing pp; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/10684.pdf; Geobase |
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no |
| Call Number |
CBU @ c.wolke @ 17570 |
Serial |
38 |
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| Author |
Bienvenu, L. |
| Title |
Activites de recherche du ministere des Ressources naturelles du Quebec sur le drainage minier acide; activites realisees dans le cadre de l'Entente auxiliaire Canada-Quebec 1992-1998 sur le developpement mineral; rapport 1993-1994. Research activities of Quebec Natural Resources Ministry on acid mine drainage; research related to the Canada-Quebec agreement 1992-1998 on mineral development; report 1993-1994 |
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RPT |
| Year |
1994 |
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acid mine drainage; annual report; Canada; cost; Doyon Mine; Eastern Canada; methods; mining; mining geology; models; monitoring; organic compounds; organic materials; oxidation; permeability; pollution; programs; pyrite; Quebec; remediation; report; resins; sulfides; waste disposal; waste management; Weedon Mine 22, Environmental geology |
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Activites de recherche du ministere des Ressources naturelles du Quebec sur le drainage minier acide; activites realisees dans le cadre de l'Entente auxiliaire Canada-Quebec 1992-1998 sur le developpement mineral; rapport 1993-1994. Research activities of Quebec Natural Resources Ministry on acid mine drainage; research related to the Canada-Quebec agreement 1992-1998 on mineral development; report 1993-1994; 1995-039993; GeoRef; French; 18 tables Ministere des Ressources Naturelles, Charlesbourg, PQ, Canada |
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no |
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CBU @ c.wolke @ 6520 |
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448 |
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| 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 |
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Journal Article |
| Year |
1997 |
Publication |
Tailings and Mine Waste '97 |
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Pages |
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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Ballivy, G.; Bienvenu, L. |
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Stabilisation des rejets miniers a l'aide de rejets de cimenterie. Stabilization of mining wastes using cement factory wastes Activites de recherche du Ministere des Ressources Naturelles du Quebec sur le drainage minier acide; rapport 1997-1998. Research activities of the Quebec Natural Resources Ministry on acid mine drainage; report 1997-1998 |
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1998 |
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Rn 98-5034 |
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abandoned mines; acid mine drainage; Canada; cement materials; construction materials; cost; disposal barriers; Eastern Canada; environmental effects; industrial waste; mines; mining; pollution; Quebec; reclamation; remediation; stabilization; waste disposal 22, Environmental geology |
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Stabilisation des rejets miniers a l'aide de rejets de cimenterie. Stabilization of mining wastes using cement factory wastes Activites de recherche du Ministere des Ressources Naturelles du Quebec sur le drainage minier acide; rapport 1997-1998. Research activities of the Quebec Natural Resources Ministry on acid mine drainage; report 1997-1998; 1999-012051; GeoRef; French; 1203-1275 illus. incl. 1 table |
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CBU @ c.wolke @ 6127 |
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468 |
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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 |
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Book Chapter |
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1999 |
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Sudbury '99; Mining and the environment II; Conference proceedings |
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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 |
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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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0886670470 |
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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 |
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CBU @ c.wolke @ 16593 |
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296 |
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