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Amacher, M.C.; Brown, R.W.; Kotuby-Amacher, J.; Willis, A. |
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Adding sodium hydroxide to study metal removal in a stream affected by acid mine drainage |
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1993 |
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Research Paper, US Department of Agriculture, Forest Service |
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465 |
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17 |
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pH stream mine drainage remediation zinc copper sodium hydroxide USa Montana Beartooth Mountains Fisher Creek 3 Geology |
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Fisher Creek, a stream affected by acid mine drainage in the Beartooth Mountains of Montana, was studied to determine the extent to which copper (Cu) and zinc (Zn) would be removed from stream water when pH was increased by a pulse of sodium hydroxide (NaOH). Although the pH adjustment study indicated that precipitated Fe(OH) “SUB 3” (am) could rapidly remove Cu and Zn from a stream affected by acid mine drainage, the pH should be maintained in an optimal range (7 to 8.5) to maximize removal by adsorption. -from Authors |
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Adding sodium hydroxide to study metal removal in a stream affected by acid mine drainage; (1022908); 94k-02459; Using Smart Source Parsing INT- pp; Geobase |
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CBU @ c.wolke @ 17566 |
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484 |
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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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