Records |
Author |
Okuda, T.; Ema, S.; Ishizaki, C.; Fujimoto, J. |
Title |
Mine drainage treatment and ferrite sludge application |
Type |
Journal Article |
Year |
1991 |
Publication |
NEC Technical Journal |
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Volume |
44 |
Issue |
5 |
Pages |
4-16 |
Keywords |
ferrite applications mining water treatment mine drainage treatment waste water treatment ions metal recovery catalysts environmental problems solution ferrite sludge application iron oxidation bacteria ferrite formation process mine drainage Matsuo Mine magnetic marking materials magnetic fluid metal separation semiactive magnetic damper batteries fish gathering cement tracer Electrical and Electronic Engineering Manufacturing and Production |
Abstract |
The `ferrite process' is an excellent method for treating waste water containing iron and arsenic, but cannot be directly applied to mine drainage where silicon and aluminum ions are present, because they strongly inhibit ferrite formation. As a result of the development of related technologies such as the elimination of silicon, the concentration of iron, and the oxidation of ferrous ions using iron-oxidation bacteria, a new ferrite formation process has been developed and applied to the mine drainage of the Matsuo Mine. The paper discusses the application of the ferrite sludge to magnetic marking materials, magnetic fluid for metal separation and recovery, and the semiactive magnetic damper is described. The related technologies which will be expected to play an important role in solving the environmental problems are also described. These technologies will change the ferrite sludge to beneficial materials, which can be used for carbon dioxide decomposing catalysts, reuse of dry batteries, fish gathering blocks, and cement tracer for ground improvement |
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0285-4139 |
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Mine drainage treatment and ferrite sludge application; 3991072; Journal Paper; SilverPlatter; Ovid Technologies |
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CBU @ c.wolke @ 16787 |
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279 |
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Author |
Norton, P.J. |
Title |
The Control of Acid Mine Drainage with Wetlands |
Type |
Journal Article |
Year |
1992 |
Publication |
Mine Water Env. |
Abbreviated Journal |
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Volume |
11 |
Issue |
3 |
Pages |
27-34 |
Keywords |
acid mine drainage construction chemistry artificial wetlands pollution control performance evaluation coal mines pollution control and prevention |
Abstract |
The recent increases in environmental legislation, especially in the USA'have meant that there is a need on behalf of the mining companies for more judicious operational planning and more thorough restoration techniques in order to reduce costs and prevent violation of the smctly enforced regulations. Water pollution is probably the greatest problem and many less enlightened operators, especially for example, in surface coal milling in Pennsylvania, have been forced into liquidation after having been unable to meet the severe restrictions on Acid Mine Drainage (AMD). The problems of AMD are also inherent in most forms of metalliferous and coal mining and also in some types of aggregate quarrying. As excavations go deeper in search of ever diminishing reserves then they are more likely to encounter groundwater which can become polluted if insufficient care is not taken. It is to be expected that the laws will also become more severe than they are at present in Europe and methods of treatment of AMD will need to be developed that are more efficient than the costly chemical methods currently used. Research by the author and others into the source of AMD pollution and its treatment with engineered wetlands and other operational methods are discussed in the paper. The methods have- the distinct benefit that they are cheap to install, are cost effective over a long period with the minimum of supervision and are environmentally acceptable to the planning and regulatory authorities. |
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The Control of Acid Mine Drainage with Wetlands; 1; 1 Abb.; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17401 |
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284 |
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Author |
Nairn, R.W.; Hedin, R.S. |
Title |
Designing wetlands for the treatment of polluted coal mine drainage |
Type |
Book Chapter |
Year |
1992 |
Publication |
Wetlands; proceedings of the 13th annual conference; Society of Wetland Scientists |
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Pages |
224-229 |
Keywords |
acidic composition; alkalinity; Appalachian Plateau; Appalachians; biodegradation; carbonate rocks; chemical properties; coal mines; constructed wetlands; construction; limestone; mine drainage; mines; North America; Pennsylvania; pollutants; pollution; reclamation; remediation; sedimentary rocks; United States; western Pennsylvania; wetlands 22, Environmental geology |
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Landin, M.C. |
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Designing wetlands for the treatment of polluted coal mine drainage; GeoRef; English; 1996-062750; 13th annual conference of the Society of Wetland Scientists, New Orleans, LA, United States, May 31-June 6, 1992 References: 7 |
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CBU @ c.wolke @ 6720 |
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289 |
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Author |
Janiak, H. |
Title |
Mine drainage treatment in Polish lignite mining |
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Journal Article |
Year |
1992 |
Publication |
Mine Water Env. |
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11 |
Issue |
1 |
Pages |
35-44 |
Keywords |
laboratory scale tests plants bogs biological filters open cut mining mine drainage filtration flocculation radiation particle size suspended solids water treatment water discharge field tests lignite mines poland mining and industrial water water treatment water quality |
Abstract |
The paper presents volumes and characteristics of water discharged from some Polish lignite open pit mines and discusses methods for its treatment. Results of research work concerned with increase in mine drainage efficiency by using processes of radiation, flocculation and filtration through a set of bog plants, iknown as grass filter are also discussed |
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Mine drainage treatment in Polish lignite mining; WATERLIT: 00526053 1 Abb., 3 Tab.; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17356 |
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342 |
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Author |
Hart, W.M. |
Title |
Prediction and amelioration of acid mine drainage |
Type |
Book Whole |
Year |
1992 |
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acid mine drainage; leaching; North Carolina; oxidation; pH; phosphate ion; porosimetry; prediction; remediation; SEM data; United States; West Virginia 22, Environmental geology |
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Ph.D. thesis |
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West Virginia University, |
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Morgantown |
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Prediction and amelioration of acid mine drainage; GeoRef; English |
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CBU @ c.wolke @ 6723 |
Serial |
360 |
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