| Records |
| Author |
Carlson, L.; Kumpulainen, S. |
Title  |
Retention of harmful elements by ochreous precipitates of iron |
Type |
Journal Article |
| Year |
2001 |
Publication |
Tutkimusraportti Geologian Tutkimuskeskus |
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| Volume |
- |
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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CBU @ c.wolke @ 17533 |
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421 |
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| Author |
Wingenfelder, U.; Hansen, C.; Furrer, G.; Schulin, R. |
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Removal of heavy metals from mine waters by natural zeolites |
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Journal Article |
| Year |
2005 |
Publication |
Environ Sci Technol, ES & T |
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39 |
Issue |
12 |
Pages |
4606-4613 |
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Groundwater problems and environmental effects Pollution and waste management non radioactive remediation heavy metal mine drainage acid mine drainage; acidification; Central Europe; chemical composition; chemical fractionation; dissolved materials; Europe; framework silicates; geochemistry; grain size; heavy metals; hydrochemistry; ion exchange; lead; metals; mines; mining; mobilization; models; pH; pollutants; pollution; precipitation; remediation; samples; silicates; spectra; Switzerland; toxic materials; X-ray diffraction data; X-ray fluorescence spectra; zeolite group |
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G. Furrer, Institute of Terrestrial Ecology, Swiss Federal Institute of Technology, Zurich, Grabenstrasse 3, CH-8952 Schlieren, Switzerland gerhard.furrer@env.ethz.ch |
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0013-936x |
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Removal of heavy metals from mine waters by natural zeolites; 2006-086777; References: 42; illus. incl. 3 tables United States (USA); GeoRef; English |
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CBU @ c.wolke @ 5382 |
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71 |
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Rammlmair, D.; Grissemann, C. |
| Title |
Natural attenuation in slag heaps versus remediation |
Type |
Book Chapter |
| Year |
2000 |
Publication |
Applied mineralogy in research, economy, technology, ecology and culture |
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645-648 |
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acid mine drainage; alteration; concentration; concepts; crust; deposition; design; development; diagenesis; exhalative processes; fines; fluvial features; ground water; leaching; metallurgy; mining; mining geology; mobilization; natural attenuation; physicochemical properties; Plantae; pollution; precipitation; remediation; rivers; slag; time scales; toxic materials; transportation; volatiles; wind transport 22, Environmental geology |
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Rammlmair, D.; Mederer, J.; Oberthuer, T.; Heimann, R.B.; Pentinghaus, H.J. |
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9058091643 |
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Natural attenuation in slag heaps versus remediation; GeoRef; English; 2007-039910; Sixth international congress on Applied mineralogy in research, economy, technology, ecology, and culture, Gottingen, Federal Republic of Germany, July 17-19, 2000 References: 5; illus. |
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CBU @ c.wolke @ 5864 |
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266 |
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Sottnik, P.; Sucha, V. |
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Moznosti upravy kysleho banskeho vytoku loziska Banska Stiavnica-Sobov. Remediation of acid mine drainage from Sobov Mine, Banska Stiavnica |
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Journal Article |
| Year |
2001 |
Publication |
Mineralia Slovaca |
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33 |
Issue |
1 |
Pages |
53-60 |
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acid mine drainage aluminum Banska Stiavnica Slovakia Central Europe copper Eh Europe gangue heavy metals iron manganese metals metamorphic rocks oxidation pH pollution precipitation pyrite quartzites reduction remediation Slovakia Sobov Mine sulfides vegetation waste disposal wetlands 22, Environmental geology |
| Abstract |
A waste dump formed during the exploitation of quartzite deposit in Sobov mine (Slovakia) produces large quantity of acid mine drainage (AMD) which is mainly a product of pyrite oxidation. Sulphuric acid--the most aggressive oxidation product--attacks gangue minerals, mainly clays, as well. This process lead to a sharp decrease of the pH values (2-2.5) and increase of Fe, Al and SO (super 2-) (sub 4) contents (TDS = 20-30 mg/1). Passive treatment system was designed to remediate AMD. Chemical redox reactions along with microbial activity cause a precipitation of mobile contamination into a more stable forms. The sulphides are formed in the anaerobic cell, under reducing conditions. Fe-, Al- oxyhydroxides are precipitated in the aerobic part of the system. Precipitation decreases the Fe and Al contents along with immobilization of some heavy metal closely related to oxyhydroxides. Besides oxidation, the wetland vegetation is an active part of on aerobic cell. The system has been working effectively since September 1999. The pH values of outflowing water are apparently higher (6.2-6.8) and contents of dissolved elements (Fe from 2.260 to 4.1; Al from 900 to 0.18; Mn from 51 to 23; Cu from 4.95 to 0.03 mg/l) is significantly lowers. |
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0369-2086 |
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Moznosti upravy kysleho banskeho vytoku loziska Banska Stiavnica-Sobov. Remediation of acid mine drainage from Sobov Mine, Banska Stiavnica; 2004-084366; References: 21; illus. incl. sects. Slovak Republic (SVK); GeoRef; Slovakian |
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CBU @ c.wolke @ 16534 |
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235 |
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Al-Abed, S.; Allen, D.; Bates, E.; Reisman, D. |
| Title |
Lime treatment lagoons technology for treating acid mine drainage from two mining sites |
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Journal Article |
| Year |
2002 |
Publication |
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Issue |
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Pages |
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acid mine drainage; case studies; Copper Mine; drainage; geochemistry; heavy metals; hydrochemistry; Leviathan Mine; mining; Nevada; pH; pollutants; pollution; precipitation; remediation; runoff; surface water; Tennessee; United States; waste lagoons; water treatment 22 Environmental geology; 02B Hydrochemistry |
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Hardrock mining 2002; issues shaping the industry |
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2007-046170; Hardrock mining 2002; issues shaping the industry, Westminster, CO, United States, May 7-9, 2002 U. S. Environmental Protection Agency, Office of Research and Development, Washington, DC, United States; GeoRef; English |
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no |
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CBU @ c.wolke @ 5621 |
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487 |
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