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Author |
Hedin, R.S.; Nairn, R.W.; Kleinmann, R.L.P. |
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Title |
Passive Treatment of Coal Mine Drainage |
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Journal Article |
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Year |
1994 |
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Bureau of Mines Information Circular |
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Ic-9389 |
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1-35 |
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Keywords |
wetland Grubenwasser treatment Wasserreinigung Wasserbehandlung mine water |
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Abstract |
Passive methods of treating mine water utilize chemical and biological processes that decrease metal concentrations and neutralize acidity. Compared to conventional chemical treatment, passive methods generally require more land area, but utilize less costly reagents and require less operational attention and maintenance. Currently, three types of passive technologies exist: aerobic wetlands, wetlands that contain an organic substrate, and anoxic limestone drains. Aerobic wetlands promote mixed oxidation and hydrolysis reactions, and are most effective when the raw mine water is net alkaline. Organic substrate wetlands promote anaerobic bacterial activity that results in the precipitation of metal sulfides and the generation of bicarbonate alkalinity. Anoxic limestone drains generate bicarbonate alkalinity and can be useful for the pretreatment of mine water before it flows into a wetland. Rates of metal and acidity removal for passive systems have been developed empirically. Aerobic wetlands remove Fe and Mn from alkaline water at rates of 10-20 g×m-2×d-1 and 0.5-1.0 g×m-2×d-1, respectively. |
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0096-1914 |
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Passive Treatment of Coal Mine Drainage; 1; abgegeben an TUFG 100700 / € 0 13 Abb., 19 Tab.; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17474 |
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355 |
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Author |
Ackman, T.E.; Kleinmann, R.L.P. |
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Title |
In-line aeration and treatment of acid mine drainage |
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1984 |
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Report of investigations |
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8868 |
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16 |
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In-line aeration and treatment of acid mine drainage; U.S. Dept. of the Interior, Bureau of Mines; Washington, DC; Opac |
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CBU @ c.wolke @ 6963 |
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493 |
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Author |
King, T.V.V. |
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Title |
Environmental considerations of active and abandoned mine lands: lessons from Summitville, Colorado |
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Journal Article |
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Year |
1995 |
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US Geological Survey Bulletin |
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2220 |
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38 |
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acid mine drainage mining environmental effect remediation environmental assessment USA Colorado Summitville 1 Geography |
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Extreme acid-rock drainage is the dominant long-term environmental concern at the Summitville mine and could have been predicted given the geological characteristics of the deposit. Extensive remedial efforts are required to isolate both unweathered sulfides and soluble metal salts in the open-pit area and mine-waste piles from weathering and dissolution. Results of studies as of late 1993 indicate that mining at Summitville has had no discernible short-term adverse effects on barley or alfalfa crops irrigated with Alamosa River water. Remediation of the site will help to ensure that no adverse effects occur over the longer term. -from Editor |
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Environmental considerations of active and abandoned mine lands: lessons from Summitville, Colorado; (1119406); 95j-11521; Using Smart Source Parsing pp; Geobase |
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CBU @ c.wolke @ 17561 |
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332 |
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Anonymous |
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Title |
Development of Integrated Passive Water Treatment Systems for the Treatment of Mine Waters |
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2004 |
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The @AusIMM bulletin |
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2004 |
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1 |
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58-62 |
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0814-4346 |
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Development of Integrated Passive Water Treatment Systems for the Treatment of Mine Waters; 1660268869; UB Clausthal <104> TU Freiberg <105> TIB/UB Hannover <89>; OLC-SSG Geowissenschaften – Online Contents-Sondersammelgebiete |
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CBU @ c.wolke @ 2089 |
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479 |
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The BioSulphide Process to treat acid mine drainage and Anaconda tailings at Caribou Mine, New Brunswick |
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RPT |
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2002 |
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2002-3 |
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138 |
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acid mine drainage base metals bioremediation BioSulfide Process biosulfides Canada Caribou Mine copper Eastern Canada experimental studies heavy metals laboratory studies lead Maritime Provinces metal ores metals New Brunswick pollution recovery remediation sulfides tailings waste management water treatment zinc 22 Environmental geology 27A Economic geology, geology of ore deposits |
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Biomet Mining Corporation, R.B.C.C. |
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The BioSulphide Process to treat acid mine drainage and Anaconda tailings at Caribou Mine, New Brunswick; 2004-045115; GeoRef; English; 1702-2649 illus. |
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CBU @ c.wolke @ 16509 |
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495 |
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