Show simple item record Smith, Ronald T. Comer, John B. Ennis, Margaret V. Branam, Tracy D. Butler, Sarah M. Renton, Patricia M. 2007-05-30T16:19:47Z 2007-05-30T16:19:47Z 2001
dc.identifier.citation Smith, R. T., Comer, J. B., Ennis, M. V., Branam, T. D., Butler, S. M., and Renton, P. M., 2001, Toxic Metals Removal in Acid Mine Drainage Treatment Wetlands: Indiana Geological Survey Open-File Report 01-03, 52 p. en
dc.description.abstract The removal of trace metals from acid mine drainage was studied in four constructed wetlands on abandoned mine lands in southwestern Indiana. The wetlands vary in the constraints of their settings, their design, the materials used in their construction, and their effectiveness at removing metals. Aqueous and sediment samples were collected twice a year at each of sixteen sampling locations. Water, pore water, and sediment extracts were analyzed for their physicochemical characteristics, major ions, and the trace metals arsenic, beryllium, boron, cadmium, chromium, copper, lead, molybdenum, nickel, selenium, and vanadium. A simplified sequential extraction was used to distinguish between bio-available and residual metals. The relative distributions of metals between the bio-available and residual fractions were compared with one another in order to determine the factors which control precipitation, sorption, and mineralization of trace metals, and assess their potential mobility. Data representing late winter and late summer conditions were compared to identify seasonal differences in metals concentrations in the various wetland cells. The overall percentage of major metals removed from the AMD was determined. The Aquachem computer program was used to generate a diagram of the prevalent chemical character of the wetlands waters and to introduce data to a water chemistry modeling program, PhreeqC. The PhreeqC program determined saturation indices for mineral phases in water entering and leaving the wetlands. The water and sediment metals values were compared with published criteria for water and sediment quality. en
dc.format.extent 953721 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Indiana Geological Survey en
dc.relation.ispartofseries Indiana Geological Survey Open-File Study en
dc.relation.ispartofseries 01-03 en
dc.rights This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License. To view a copy of this license, visit or send a letter to Creative Commons, 543 Howard Street, 5th Floor, San Francisco, California, 94105, USA. en
dc.rights.uri en
dc.subject acid mine drainage en
dc.subject AMD en
dc.subject AMD treatment en
dc.subject abandoned mine lands en
dc.subject AML en
dc.subject treatment wetlands en
dc.subject mine water en
dc.subject mine remediation en
dc.subject toxic metals en
dc.subject heavy metals en
dc.subject water pollution en
dc.subject metals precipitation en
dc.subject mine water remediation en
dc.subject metals removal en
dc.subject AMD neutralization en
dc.subject Indiana Division of Reclamation en
dc.subject SMART Grant en
dc.subject sequential extraction of metals en
dc.subject contaminated sediment en
dc.subject Midwestern Reclamation Site en
dc.subject Reclamation Site No. 1987 en
dc.subject Augusta Lake en
dc.subject Friar Tuck reclamation site en
dc.subject Tecumseh reclamation site en
dc.subject AMD chemistry en
dc.subject iron removal en
dc.subject manganese removal en
dc.subject Indiana en
dc.subject Indiana Geological Survey en
dc.title Toxic Metals Removal in Acid Mine Drainage Treatment Wetlands en
dc.type Technical Report en

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