| Records |
| Author |
Carlson, L.; Kumpulainen, S. |
| Title |
Retention of harmful elements by ochreous precipitates of iron |
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Journal Article |
| Year |
2001 |
Publication |
Tutkimusraportti Geologian Tutkimuskeskus |
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- |
Issue |
154 |
Pages |
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 |
| Abstract |
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. |
| Address |
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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| Call Number |
CBU @ c.wolke @ 17533 |
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421 |
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| Author |
Godard, M. |
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Principes d'exhaure et de traitement des eaux chargees aux houilleres du bassin de Lorraine. Darstellung der Verfahren zur Wasserhaltung und zur Wasseraufbereitung in den Steinkohlengruben des Lothringer Beckens. Draining principles and treatment of water used in the Lorraine mining basin |
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Journal Article |
| Year |
1997 |
Publication |
Mines et Carrieres |
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Feb |
Pages |
42-45 |
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Steinkohlenbergbau Frankreich Industrieabwasser Kläranlage Absetzbecken Schlammabscheidung Schlammpumpe Versatz=Bergbau Kolbenpumpe Kreiselpumpe Wasserhaltungspumpe Kohlenschlammpumpe Kosteneinsparung Systemoptimierung Abwasserbehandlung Stoffführung Untertagebau Grubenwasserhaltung |
| Abstract |
Im lothringischen Steinkohlenbergbau werden bis 3 m(exp 3)/min Wasser bei den Gewinnungsarbeiten zur Staubbekämpfung benötigt, die anschließend einer mehrstufigen Wasseraufbereitung zugeführt werden müssen. Die Abscheidung der Feststoffe aus dem Grubenwasser erfolgt teilweise in der Nähe der Gewinnungsbereiche in untertägigen Absetzbecken. Die dort anfallenden Schlämme werden in Zyklonieranlagen entwässert und als Versatzmaterial verwendet. Die so gereinigten Wässer werden der Hauptwasserhaltung zugeführt. In den meisten Fällen ist eine derartige Reinigung der Abwässer im Vorortbereich jedoch nicht möglich, und die mit Feststoffen belasteten Wässer müssen dann durch Schlammpumpen (leistungsfähige Kolbenpumpen) zu zentralen untertägigen Absetzbecken gefördert werden, wo sich die Schlämme absetzen und die geklärten Wässer der Wasserhaltung zugeführt werden. Es werden die unterschiedlichen Verfahren zur Behandlung der Schlämme aus den Absetzbecken beschrieben. Im Rahmen einer Rekonstruktion wurden die ursprünglich vorhandenen 43 Kreiselpumpen zur Schlammförderung (installierte Leistung von 2365 kW) durch 3 leistungsfähige Kolbenpumpen (installierte Leistung 960 kW) ersetzt, was sich günstig auf die Kosten auswirkte. Die von der Hauptwasserhaltung gehobenen Grubenwässer werden im Übertagebereich nochmals in Absetzbecken geklärt bzw. in einer neuen Zyklonanlage gereinigt. |
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Principes d'exhaure et de traitement des eaux chargees aux houilleres du bassin de Lorraine. Darstellung der Verfahren zur Wasserhaltung und zur Wasseraufbereitung in den Steinkohlengruben des Lothringer Beckens. Draining principles and treatment of water used in the Lorraine mining basin; 13311, BERG , 30.04.97; Words: 498; U9705 0026 586; 4 Seiten, 7 Bilder 3MZ *Bergbau, Tunnelbau, Erdöl /Erdgasförderung, Bohrtechnik* 3UXX *Belastung von Wasser, Wasserreinhaltung, Abwasser* 3MGK *Pumpen*; BERG, Copyright FIZ Technik e.V.; FR Französisch |
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CBU @ c.wolke @ 17602 |
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371 |
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Evangelou, V.P. |
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1995 |
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293 pp |
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solution chemistry surface chemistry acid mine drainage (AMD) molecular oxidation mechanics microbial role, kinetics, control, ameliorates and limitations microencapsulation |
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Pyrite oxidation and its control: solution chemistry, surface chemistry, acid mine drainage (AMD), molecular oxidation mechanisms, microbial role, kinetics, control, ameliorates and limitations, microencapsulation |
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0-8493-4732-7 |
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Pyrite oxidation and its control: solution chemistry, surface chemistry, acid mine drainage (AMD), molecular oxidation mechanisms, microbial role, kinetics, control, ameliorates and limitations, microencapsulation; Boca Raton, Fla. : CRC Press, cop. 1995; Opac |
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CBU @ c.wolke @ 6935 |
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385 |
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Coulton, R.; Bullen, C.; Hallett, C. |
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The design and optimisation of active mine water treatment plants |
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Journal Article |
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2003 |
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Land Contam. Reclam. |
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11 |
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2 |
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273-280 |
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sludge mine water treatment mine water active treatment precipitation iron manganese high density sludge sulphide Groundwater problems and environmental effects Pollution and waste management non radioactive manganese sulfide pollutant removal iron water treatment mine drainage |
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This paper provides a 'state of the art' overview of active mine water treatment. The paper discusses the process and reagent selection options commonly available to the designer of an active mine water treatment plant. Comparisons are made between each of these options, based on technical and financial criteria. The various different treatment technologies available are reviewed and comparisons made between conventional precipitation (using hydroxides, sulphides and carbonates), high density sludge processes and super-saturation precipitation. The selection of reagents (quick lime, slaked lime, sodium hydroxide, sodium carbonate, magnesium hydroxide, and proprietary chemicals) is considered and a comparison made on the basis of reagent cost, ease of use, final effluent quality and sludge settling criteria. The choice of oxidising agent (air, pure oxygen, peroxide, etc.) for conversion of ferrous to ferric iron is also considered. Whole life costs comparisons (capital, operational and decommissioning) are made between conventional hydroxide precipitation and the high density sludge process, based on the actual treatment requirements for four different mine waters. |
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R. Coulton, Unipure Europe Ltd., Wonastow Road, Monmouth NP25 5JA, United Kingdom |
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0967-0513 |
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The design and optimisation of active mine water treatment plants; 2530436; United-Kingdom 4; Geobase |
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CBU @ c.wolke @ 17513 |
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59 |
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| Author |
Jarvis, A.P. |
| Title |
Design, construction and performance of passive systems for the treatment of mine and spoil heap drainage |
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Book Whole |
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2000 |
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Sewage Geochemistry County Durham Compost wetland Reactor Water pollution & oil pollution |
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Ph.D. thesis |
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University of Newcastle upon Tyne, |
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Design, construction and performance of passive systems for the treatment of mine and spoil heap drainage; Opac |
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no |
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CBU @ c.wolke @ 7115 |
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340 |
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