. A bench scale evaluation of organic substrates for use in constructed wetlands for the treatment of acid mine drainage. Acid mine drainage; Heavy metals; Constructed wetlands; Wetlands. «,—P—,—r.~r,._r,:-1—^^^^^^^—-r-'r^i—i—r-i—r - i 10 30 SO 70 SO 11© 130 150 170 1S0 210 230 20 40 60 80 100 120 140 160 180 200 220 10 9 C 7 © 5 4 3 2 i £ ELAPSED TIME (DAYS) Column 4. o z o o 10 3© 30 70 90 11® 130 150 17© 190 210 230 20 40 60 80 10© 120 140 160 180 200 220 ELAPSED TIME (DAYS) Pore Volume pH Zn Mn No Observations Av. Influent pH Av. Zn Influent Av. Mn Influent Figure 3c. Substrate mean influe
. A bench scale evaluation of organic substrates for use in constructed wetlands for the treatment of acid mine drainage. Acid mine drainage; Heavy metals; Constructed wetlands; Wetlands. «,—P—,—r.~r,._r,:-1—^^^^^^^—-r-'r^i—i—r-i—r - i 10 30 SO 70 SO 11© 130 150 170 1S0 210 230 20 40 60 80 100 120 140 160 180 200 220 10 9 C 7 © 5 4 3 2 i £ ELAPSED TIME (DAYS) Column 4. o z o o 10 3© 30 70 90 11® 130 150 17© 190 210 230 20 40 60 80 10© 120 140 160 180 200 220 ELAPSED TIME (DAYS) Pore Volume pH Zn Mn No Observations Av. Influent pH Av. Zn Influent Av. Mn Influent Figure 3c. Substrate mean influent and effluent pH, Mn and Zn concentrations. 16. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Schafer and Associates; Schafer and Associates; Montana. Abandoned Mine Reclamation Bureau. Bozeman, Mont. : The Associates
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