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Author |
Nakazawa, H. |
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Title |
Treatment of acid mine drainage containing iron ions and arsenic for utilization of the sludge |
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Journal Article |
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2006 |
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Sohn International Symposium Advanced Processing of Metals and Materials, Vol 9 |
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373-381 |
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mine water treatment arsenic biotechnology filtration iron membranes microorganisms mining industry oxidation sludge treatment acid mine drainage arsenic ion sludge treatment Horobetsu mine Hokkaido Japan ferrous iron membrane filter pore size arsenite solutions microbial oxidation As Fe Manufacturing and Production |
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Abstract  |
An acid mine drainage in abandoned Horobetsu mine in Hokkaido, Japan, contains arsenic and iron ions; total arsenic ca.10ppm, As(III) ca. 8.5ppm, total iron 379ppm, ferrous iron 266ppm, pH1.8. Arsenic occurs mostly as arsenite (As (III)) or arsenate (As (V)) in natural water. As(III) is more difficult to be remove than As(V), and it is necessary to oxidize As(III) to As(V) for effective removal. 5mL of the mine drainage or its filtrate through the membrane filter (pore size 0.45 mu m) were added to arsenite solutions (pH1.8) with the concentration of 5ppm. After the incubation of 30 days, As(III) was oxidized completely with the addition of the mine drainage while the oxidation did not occur with the addition of filtrate, indicating the microbial oxidation of As(III). In this paper, we have investigated the microbial oxidation of As(III) in acid water below pH2.0. |
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0-87339-642-1 |
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Aug 27-31; Treatment of acid mine drainage containing iron ions and arsenic for utilization of the sludge; Isip:000241817200032; Conference Paper Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 17456 |
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151 |
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Author |
LaPointe, F.; Fytas, K.; McConchie, D. |
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Title |
Using permeable reactive barriers for the treatment of acid rock drainage |
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Journal Article |
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2005 |
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International journal of surface mining, reclamation and environment |
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19 |
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1 |
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57-65 |
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Pollution and waste management non radioactive Groundwater problems and environmental effects geological abstracts: environmental geology (72 14 2) geomechanics abstracts: excavations (77 10 10) waste management remediation mining industry pollution control acid mine drainage reactive barrier aluminium industry effluents industrial waste mineral processing industry oxidation waste handling permeable reactive barriers acid rock drainage treatment acid mine drainage environmental problem Canadian mineral industry oxidation sulphide minerals mine waste mine tailings heavy metals acid remediation technology metallurgical residues aluminium extraction industry acid mine effluents Manufacturing and Production acid mine drainage Bauxsol Canada disposal barriers effluents experimental studies heavy metals instruments oxidation permeable reactive barriers pollutants pollution pyrite pyrrhotite remediation sulfides tailings waste disposal waste management |
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Acid mine drainage (AMD) is the most serious environmental problem facing the Canadian mineral industry today. It results from oxidation of sulphide minerals (e.g. pyrite or pyrrhotite) contained in mine waste or mine tailings and is characterized by acid effluents rich in heavy metals that are released into the environment. A new acid remediation technology is presented, by which metallurgical residues from the aluminium extraction industry are used to construct permeable reactive barriers (PRBs) to treat acid mine effluents. This technology is very promising for treating acid mine effluents in order to decrease their harmful environmental effects |
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1389-5265 |
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Using permeable reactive barriers for the treatment of acid rock drainage; 8467608; Journal Paper; SilverPlatter; Ovid Technologies |
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CBU @ c.wolke @ 16786 |
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12 |
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Author |
Kuyucak, N. |
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Title |
Acid mine drainage prevention and control options |
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Journal Article |
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2002 |
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CIM Bull. |
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95 |
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1060 |
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96-102 |
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acid mine drainage prevention tailings environment waste sulphides Groundwater problems and environmental effects Pollution and waste management non radioactive Surface water quality Waste Management and Pollution Policy tailings sulfide mining industry waste management |
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Acid mine drainage (AMD) is one of the most significant environmental challenges facing the mining industry worldwide. It occurs as a result of natural oxidation of sulphide minerals contained in mining wastes at operating and closed/decommissioned mine sites. AMD may adversely impact the surface water and groundwater quality and land use due to its typical low pH, high acidity and elevated concentrations of metals and sulphate content. Once it develops at a mine, its control can be difficult and expensive. If generation of AMD cannot be prevented, it must be collected and treated. Treatment of AMD usually costs more than control of AMD and may be required for many years after mining activities have ceased. Therefore, application of appropriate control methods to the site at the early stage of the mining would be beneficial. Although prevention of AMD is the most desirable option, a cost-effective prevention method is not yet available. The most effective method of control is to minimize penetration of air and water through the waste pile using a cover, either wet (water) or dry (soil), which is placed over the waste pile. Despite their high cost, these covers cannot always completely stop the oxidation process and generation of AMD. Application of more than one option might be required. Early diagnosis of the problem, identification of appropriate prevention/control measures and implementation of these methods to the site would reduce the potential risk of AMD generation. AMD prevention/control measures broadly include use of covers, control of the source, migration of AMD, and treatment. This paper provides an overview of AMD prevention and control options applicable for developing, operating and decommissioned mines. |
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Dr. N. Kuyucak, Golder Associates Ltd., Ottawa, Ont., Canada |
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0317-0926 |
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Acid mine drainage prevention and control options; 2419232; Canada 38; Geobase |
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CBU @ c.wolke @ 17532 |
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64 |
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Author |
Anonymous |
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Book Whole |
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1998 |
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118 pp |
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abandoned mines; acid mine drainage; aquifer vulnerability; aquifers; arsenic; bibliography; bioremediation; chemical properties; chemical waste; chromium; constructed wetlands; decontamination; disposal barriers; ground water; grouting; industrial waste; metals; microorganisms; mines; mobility; phytoremediation; pollutants; pollution; programs; reclamation; remediation; sludge; soil treatment; soils; solvents; sorption; Superfund; surface water; tailings; toxic materials; waste disposal; waste disposal sites; water quality; wetlands 22, Environmental geology |
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Society for Mining, Metallurgy, and Exploration |
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Littleton |
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Remediation of historical mine sites; technical summaries and bibliography |
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0873351622 |
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Remediation of historical mine sites; technical summaries and bibliography; 1998-031431; GeoRef; English |
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CBU @ c.wolke @ 6164 |
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11 |
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Author |
Wiseman, I. |
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Title |
Constructed wetlands for minewater treatment |
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RPT |
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2002 |
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125 |
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Sewage Ecology Constructed wetlands — Wales Mineral industries — Waste disposal Mine water Water quality management — Wales Pelenna minewaters Water pollution & oil pollution Hydrology & limnology |
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Environment Agency |
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Bristol, England |
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Constructed wetlands for minewater treatment; Opac |
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CBU @ c.wolke @ 7122 |
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207 |
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