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Okuda, T.; Ema, S.; Ishizaki, C.; Fujimoto, J. |
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Title |
Mine drainage treatment and ferrite sludge application |
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Journal Article |
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Year |
1991 |
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NEC Technical Journal |
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44 |
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5 |
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4-16 |
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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 |
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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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Bell, A.V.; Nancarrow, D.R. |
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Title |
Salmon and mining in northeastern New Brunswick (a summary of the northeastern New Brunswick mine water quality program) |
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Journal Article |
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Year |
1974 |
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CIM Bull. |
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67 |
Issue |
751 |
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44-53 |
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mining water pollution water treatment salmon mining mine water quality programme mineral resources fishery resource metal mining Computers and Control Manufacturing and Production |
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It was aimed toward developing solutions to major water quality problems in the base metal mining regions of northeastern New Brunswick and specifically toward insuring that the extremely valuable fishery resources and aquatic environments of the region could be maintained in the face of existing and future base metal mining developments. The program analyzed in detail the fishery resources of the region, their water quality requirements, the mineral resources of the region and the many aspects of mining waste management at each phase of mine development. This paper describes the reasons for the initial concern and the approach adopted toward finding a solution. It briefly summarizes the important findings and recommendations made to support the conclusion that the fishery resource can be maintained and co-exist with current and future base metal mining developments in the region |
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0317-0926 |
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Salmon and mining in northeastern New Brunswick (a summary of the northeastern New Brunswick mine water quality program); 771627; Journal Paper; SilverPlatter; Ovid Technologies |
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CBU @ c.wolke @ 16788 |
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457 |
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Goodman, G.T. |
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Ecology and the problems of rehabilitating wastes from mineral extraction |
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Journal Article |
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1974 |
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Proceedings of the Royal Society of London, Series A Mathematical and Physical Sciences |
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339 |
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1618 |
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373-387 |
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minerals mining natural resources pollution waste disposal ecology mineral extraction visual ugliness health hazards safety hazards reclamation process development planning site purchase land clearance land forming stabilisation drainage revegetation rehabilitation of wastes Physics Manufacturing and Production |
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Environmental problems which may be associated with mineral extraction are: (a) the visual ugliness of open pits, waste tips, and working mess; (b) the nuisance of wind- and water-borne dusts; (c) the health hazards to wildlife, crops, livestock and man of locally increased environmental burdens of potentially toxic metals (e.g. Pb, Cd, As, Zn, Cu, Ni) derived from wind- and water-borne mine dusts and smelter smokes; (d) the safety hazards of surface subsidence and tip-slippage from deep-mining. All these disamenities can be cured or reduced by the reclamation process which involves a blend of socio-economic, legal, planning, civil engineering and biological expertise devoted to development planning, site purchase, land clearance, land forming, stabilization, drainage and revegetation of the affected site |
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0080-4630 |
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Ecology and the problems of rehabilitating wastes from mineral extraction; 669765; Conference Paper; Journal Paper; SilverPlatter; Ovid Technologies |
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CBU @ c.wolke @ 16789 |
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369 |
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Author |
Davis, L. |
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A handbook of constructed wetlands: a guide to creating wetlands for: agricultural wastewater, domestic wastewater, coal mine drainage, stormwater in the Mid-Atlantic Region |
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1994 |
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0-16-052999-9 (*v. 1) 0-16-053000-8 (*v. 2) 0-16-053001-6 (*v. 3) 0-16-053002-4 (*v. 4) 0-16-053003- |
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A handbook of constructed wetlands: a guide to creating wetlands for: agricultural wastewater, domestic wastewater, coal mine drainage, stormwater in the Mid-Atlantic Region; Washington, DC: U.S. G.P.O., Supt. of Docs United States / Natural Resources Conservation Service; Opac |
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CBU @ c.wolke @ 16822 |
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407 |
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Author |
Bamforth, S.M. |
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Title |
Manganese removal from mine waters – investigating the occurrence and importance of manganese carbonates |
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Journal Article |
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Year |
2006 |
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Appl. Geochem. |
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21 |
Issue |
8 |
Pages |
1274-1287 |
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mine water treatment |
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Manganese is a common contaminant of mine water and other waste waters. Due to its high solubility over a wide pH range, it is notoriously difficult to remove from contaminated waters. Previous systems that effectively remove Mn from mine waters have involved oxidising the soluble Mn(II) species at an elevated pH using substrates such as limestone and dolomites. However it is currently unclear what effect the substrate type has upon abiotic Mn removal compared to biotic removal by in situ micro-organisms (biofilms). In order to investigate the relationship between substrate type, Mn precipitation and the biofilm community, net-alkaline Mn-contaminated mine water was treated in reactors containing one of the pure materials: dolomite, limestone, magnesite and quartzite. Mine water chemistry and Mn removal rates were monitored over a 3-month period in continuous-flow reactors. For all substrates except quartzite, Mn was removed from the mine water during this period, and Mn minerals precipitated in all cases. In addition, the plastic from which the reactor was made played a role in Mn removal. Manganese oxyhydroxides were formed in all the reactors; however, Mn carbonates (specifically kutnahorite) were only identified in the reactors containing quartzite and on the reactor plastic. Magnesium-rich calcites were identified in the dolomite and magnesite reactors, suggesting that the Mg from the substrate minerals may have inhibited Mn carbonate formation. Biofilm community development and composition on all the substrates was also monitored over the 3-month period using denaturing gradient gel electrophoresis (DGGE). The DGGE profiles in all reactors showed no change with time and no difference between substrate types, suggesting that any microbiological effects are independent of mineral substrate. The identification of Mn carbonates in these systems has important implications for the design of Mn treatment systems in that the provision of a carbonate-rich substrate may not be necessary for successful Mn precipitation. (c) 2006 Elsevier Ltd. All rights reserved. |
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Manganese removal from mine waters – investigating the occurrence and importance of manganese carbonates; Wos:000240297600004; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 16916 |
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107 |
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