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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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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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Author |
Skousen, J.G. |
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Title |
Acid-Mine Drainage Treatment Alternatives |
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1992 |
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Land Reclamation : Advances in Research & Technology |
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297-303 |
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mine water treatment |
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Acid-Mine Drainage Treatment Alternatives; Isip:A1992by10s00035; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 9016 |
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147 |
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Author |
Skousen, J.G. |
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Title |
An Evaluation Of Acid-Mine Drainage Treatment Systems And Costs |
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Journal Article |
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1991 |
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Environmental Management for the 1990s |
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173-178 |
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mine water treatment |
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An Evaluation Of Acid-Mine Drainage Treatment Systems And Costs; Isip:A1991bs89e00024; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 9041 |
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148 |
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Sierra-Alvarez, R. |
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Biological treatment of heavy metals in acid mine drainage using sulfate reducing bioreactors |
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Journal Article |
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2006 |
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Water Sci. Technol. |
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54 |
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2 |
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179-185 |
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mine water treatment |
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The uncontrolled release of acid mine drainage (AMD) from abandoned mines and tailing piles threatens water resources in many sites worldwide. AMD introduces elevated concentrations of sulfate ions and dissolved heavy metals as well as high acidity levels to groundwater and receiving surface water. Anaerobic biological processes relying on the activity of sulfate reducing bacteria are being considered for the treatment of AMD and other heavy metal containing effluents. Biogenic sulfides form insoluble complexes with heavy metals resulting in their precipitation. The objective of this study was to investigate the remediation of AMD in sulfate reducing bioreactors inoculated with anaerobic granular sludge and fed V with an influent containing ethanol. Biological treatment of an acidic (pH 4.0) synthetic AMD containing high concentrations of heavy metals (100 Mg Cu2+vertical bar(-1); 10 mg Ni2+vertical bar(-1), 10 mg Zn2+vertical bar(-1)) increased the effluent pH level to 7.0-7.2 and resulted in metal removal efficiencies exceeding 99.2%. The highest metal precipitation Cn rates attained for Cu, Ni and Zn averaged 92.5, 14.6 and 15.8 mg metal l(-1) of reactor d(-1). The results of this work demonstrate that an ethanol-fed sulfidogenic reactor was highly effective to remove heavy metal contamination and neutralized the acidity of the synthetic wastewater. |
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Biological treatment of heavy metals in acid mine drainage using sulfate reducing bioreactors; Wos:000240449300024; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 16943 |
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106 |
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Author |
Sibrell, P.L. |
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Limestone fluidized bed treatment of acid-impacted water at the Craig Brook National Fish Hatchery, Maine, USA |
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Journal Article |
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2006 |
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Aquacultural Engineering |
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34 |
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2 |
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61-71 |
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mine water treatment |
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Decades of atmospheric acid deposition have resulted in widespread lake and river acidification in the northeastern U.S. Biological effects of acidification include increased mortality of sensitive aquatic species Such as the endangered Atlantic salmon (Salmo salar). The purpose of this paper is to describe the development of a limestone-based fluidized bed system for the treatment of acid-impacted waters. The treatment system was tested at the Craig Brook National Fish Hatchery in East Orland, Maine over a period of 3 years. The product water from the treatment system was diluted with hatchery water to prepare water supplies with three different levels of alkalinity for testing of fish health and Survival. Based on positive results from a prototype system used in the first year of the study, a larger demonstration system was used in the second and third years with the objective of decreasing operating costs. Carbon dioxide was used to accelerate limestone dissolution, and was the major factor in system performance, as evidenced by the model result: Alk = 72.84 X P(CO2)(1/2); R-2 = 0.975. No significant acidic incursions were noted for the control water over the course of the Study. Had these incursions occurred, survivability in the untreated water would likely have been much more severely impacted. Treated water consistently provided elevated alkalinity and pH above that of the hatchery source water. (C) 2005 Elsevier B.V. All rights reserved. |
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Limestone fluidized bed treatment of acid-impacted water at the Craig Brook National Fish Hatchery, Maine, USA; Wos:000235568800001; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 16942 |
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113 |
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