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Blowes, D.W. |
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Title |
In situ treatment of mine drainage water using porous reactive walls |
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1994 |
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In situ treatment of mine drainage water using porous reactive walls; Waterloo, Ontario: Univ., Waterloo Centre for Groundwater Research; Opac |
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CBU @ c.wolke @ 6983 |
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444 |
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Bienvenu, L. |
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Activites de recherche du ministere des Ressources naturelles du Quebec sur le drainage minier acide; activites realisees dans le cadre de l'Entente auxiliaire Canada-Quebec 1992-1998 sur le developpement mineral; rapport 1993-1994. Research activities of Quebec Natural Resources Ministry on acid mine drainage; research related to the Canada-Quebec agreement 1992-1998 on mineral development; report 1993-1994 |
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1994 |
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acid mine drainage; annual report; Canada; cost; Doyon Mine; Eastern Canada; methods; mining; mining geology; models; monitoring; organic compounds; organic materials; oxidation; permeability; pollution; programs; pyrite; Quebec; remediation; report; resins; sulfides; waste disposal; waste management; Weedon Mine 22, Environmental geology |
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Activites de recherche du ministere des Ressources naturelles du Quebec sur le drainage minier acide; activites realisees dans le cadre de l'Entente auxiliaire Canada-Quebec 1992-1998 sur le developpement mineral; rapport 1993-1994. Research activities of Quebec Natural Resources Ministry on acid mine drainage; research related to the Canada-Quebec agreement 1992-1998 on mineral development; report 1993-1994; 1995-039993; GeoRef; French; 18 tables Ministere des Ressources Naturelles, Charlesbourg, PQ, Canada |
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CBU @ c.wolke @ 6520 |
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448 |
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Ahmed, S.M. |
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Surface chemical methods of forming hardpan in pyrrhotite tailings and prevention of the acid mine drainage |
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1994 |
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acid mine drainage; chemical composition; experimental studies; mines; oxidation; pollution; pyrite; pyrrhotite; remediation; sulfides; tailings; waste disposal; weathering rinds 22, Environmental geology |
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Special Publication - United States. Bureau of Mines, Report: BUMINES-SP-06B-94 |
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Proceedings of the International land reclamation and mine drainage conference and Third international conference on The abatement of acidic drainage; Volume 2 of 4; Mine drainage |
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2007-045205; International land reclamation and mine drainage conference; International conference on The abatement of acidic drainage, Pittsburgh, PA, United States, April 24-29, 1994 References: 4; illus. incl. 1 table; GeoRef; English |
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CBU @ c.wolke @ 6593 |
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488 |
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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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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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wetland Grubenwasser treatment Wasserreinigung Wasserbehandlung mine water |
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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 |
Stark, L.R.; Williams, F.M. |
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Title |
The roles of spent mushroom substrate for the mitigation of coal mine drainage |
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1994 |
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Compost Science and Utilization |
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2 |
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4 |
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84-94 |
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acid mine drainage rehabilitation coal mining spent mushroom substrate 3 Geology |
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Spent mushroom substrate (SMS) has been used widely in coal mining regions of the USA as the primary substrate in constructed wetlands for the treatment of coal mine drainage. In laboratory and mesocosm studies, SMS has emerged as one of the substrates for mine water treatment. Provided the pH of the mine water does not fall below 3.0, SMS can be used in the mitigation plan. However, neither Mn nor dissolved ferric Fe appears to be treatable using reducing SMS wetlands. Since after a few years much of the nonrefractive organic carbon in SMS wil have been decomposed and metabolized, carbon supplementation can significantly extend the life of the SMS treatment wetland and improve water treatment. -from Authors |
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The roles of spent mushroom substrate for the mitigation of coal mine drainage; (1099507); 95k-07480; Using Smart Source Parsing pp; Geobase |
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CBU @ c.wolke @ 17639 |
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233 |
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