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Author |
Carlson, L.; Kumpulainen, S. |
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Title |
Retention of harmful elements by ochreous precipitates of iron |
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Journal Article |
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2001 |
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Tutkimusraportti Geologian Tutkimuskeskus |
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- |
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154 |
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30-33 |
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Surface water quality Pollution and waste management non radioactive geographical abstracts: physical geography hydrology (71 6 9) geological abstracts: environmental geology (72 14 2) iron oxide precipitation chemistry sulfate arsenate heavy metal pH water pollution remediation |
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The capability of soil fines to fix harmful elements, e.g. heavy metals and arsenic, depends on specific surface area and other characteristics, such as surface charge. In the pH-range typical of natural waters (pH 5,5-7,5), the surfaces of fine-grained silicate particles and manganese oxides are negatively charged; consequently cations, such as heavy metals, fix effectively to them. The iron oxide surfaces are usually positively charged and typically fix anions, such as sulphate and arsenate. Retention of anions is especially extensive to precipitates formed from acid mine drainage (pH 2,5-5,0). For example, precipitates found at Paroistenjarvi mine, Finland, contain more than 70 g/kg of arsenic (dry matter). Adsorbed anions, e.g. sulphate, enhance the capacity of precipitate to fix heavy metal cations in low-pH environments. |
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L. Carlson, Tehtaankatu 25 A 4, Helsinki FIN-00150, Finland liisa.carlson@kolumbus.fi |
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0781-4240 |
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Retention of harmful elements by ochreous precipitates of iron; 2392974; Oksidiset rautasaostumat haitallisten aineiden pidattajina. Finland 7; Geobase |
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CBU @ c.wolke @ 17533 |
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421 |
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Author |
Camus, M. |
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Le traitement des eaux de mine desaffectees. Die Aufbereitung von Wässern aus stillgelegten Bergwerken. Treating water from closed mines |
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Journal Article |
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1997 |
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Mines et Carrieres |
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Feb |
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38-39 |
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Erzbergbau Frankreich Blei Silber Zink Eisen pH-Wert Quellwasser Flusswasserverschmutzung Wasseraufbereitungsanlage chemische- Abwasserreinigung chemische-Reaktion Kennziffer Wirkungsgrad chemische-Analyse Fließbild Belüftung Ausflocken Neutralisation=chemische-Reaktion Grubenwasserreinigung |
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In einem alten französischen Bergwerk, in dem früher Blei und Silber abgebaut wurden, kam es nach dem Wiederanstieg des Grundwassers zu einer erhöhten Schwermetallbelastung von Quellgebieten, die einen Fluß mit Forellenbesatz schädigten. Zur Beseitigung dieser Grundwasserverunreinigung wurde das saure Grubenwasser mit erhöhten Eisen- und Zinkgehalten übertage gefaßt und einer Wasseraufbereitung unterzogen. In der für einen Durchsatz von 100 m(exp 3)/h konzipierten Wasseraufbereitung wurden die Schadstoffbestandteile durch Oxidation und anschließende Neutralisation mit Kalk (Anhebung des pH-Wertes auf 8,2 bis 8,3) gefällt, durch Zugabe eines Flockungsmittels gebunden und die Schlammbestandteile anschließend einem Eindicker und Filterpressen zugeführt. Der Kalkverbrauch wird mit 240 kg/d angegeben. Die tabellarisch zusammengestellten Analysenergebnisse zeigen, daß die Wasseraufbereitung einen sehr guten Wirkungsgrad hatte. Neben einer Anhebung des pH-Wertes von 6,5 auf 8,2 konnten die Schwermetallgehalte bei Fe von 22 mg/l auf 0,09 mg/l und bei Zn von 38 mg/l auf 0,4 mg/l abgesenkt werden. |
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Le traitement des eaux de mine desaffectees. Die Aufbereitung von Wässern aus stillgelegten Bergwerken. Treating water from closed mines; 13313, BERG , 30.04.97; Words: 501; U9705 0024 586; 2 Seiten, 1 Bild, 1 Tabelle 3UM *Umweltschadstoffe, toxikologie* 3UX *Umweltbelastung, technik* 3MZ *Bergbau, Tunnelbau, Erdöl /Erdgasförderung, Bohrtechnik* 3PL *chemische Verfahrenstechnik, chemische Reaktionstechnik*; BERG, Copyright FIZ Technik e.V.; FR Französisch |
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CBU @ c.wolke @ 17601 |
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424 |
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Calabrese, J.P.; Sexstone, A.J.; Bhumbla, D.K.; Skousen, J.G.; Bissonnette, G.K.; Sencindiver, J.C. |
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Long-term study of constructed model wetlands for treatment of acid mine drainage |
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Book Chapter |
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1994 |
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Special Publication – United States. Bureau of Mines, Report: BUMINES-SP-06B-94 |
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406 |
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acid mine drainage; alkalinity; biodegradation; field studies; iron; metals; models; monitoring; pH; pollution; reduction; remediation; sulfates; surface water; water quality; wetlands 22, Environmental geology |
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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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Long-term study of constructed model wetlands for treatment of acid mine drainage; GeoRef; English; 2007-045256; International land reclamation and mine drainage conference; International conference on The abatement of acidic drainage, Pittsburgh, PA, United States, April 24-29, 1994 |
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CBU @ c.wolke @ 6631 |
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426 |
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Burnett, M.; Skousen, J.G.; Skousen, J.G.; Ziemkiewicz, P.F. |
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Title |
Injection of limestone into underground mines for AMD control |
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Book Chapter |
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1996 |
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Acid mine drainage control and treatment |
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acid mine drainage; acidification; alkalinity; carbonate rocks; chemical composition; coal fields; concentration; environmental analysis; environmental management; experimental studies; geologic hazards; ground water; hazardous waste; heavy metals; hydrology; land subsidence; limestone; mines; mining; mining geology; pH; pollution; Preston County West Virginia; reclamation; runoff; sedimentary rocks; Sovern Run Mine; surface water; underground mining; United States; waste management; water quality; West Virginia 22, Environmental geology |
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West Virginia University and the National Mine Land Reclamation Center |
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Morgantown |
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Injection of limestone into underground mines for AMD control; GeoRef; English; 2004-051160; Edition: 2 References: 2; illus. incl. 1 table |
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CBU @ c.wolke @ 6370 |
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427 |
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Author |
Brown, R.J. |
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Book Whole |
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1979 |
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1 Geography |
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The bibliography cites studies primarily concerning control and treatment methods. Reports on hydrogeology, ecology, formation, and sources are included. (This updated bibliography contains 300 abstracts, 30 of which are new entries to the previous edition.) |
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279 |
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(USA), N.T.I.S. |
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Acid mine drainage (a bibliography with abstracts). Report for 1964-Sep 79 |
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Acid mine drainage (a bibliography with abstracts). Report for 1964-Sep 79; (0348451); 82b-1185; Geobase; Using Smart Source Parsing pp |
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CBU @ c.wolke @ 17573 |
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430 |
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