| Records |
| Author |
Bell, A.V. |
Title  |
Some Recent Experiences In Treatment Of Acidic, Metal-Bearing Mine Drainages |
Type |
Journal Article |
| Year |
1975 |
Publication |
CIM Bull. |
Abbreviated Journal |
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| Volume |
68 |
Issue |
764 |
Pages |
39-46 |
| Keywords |
mine water treatment |
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| Notes |
Some Recent Experiences In Treatment Of Acidic, Metal-Bearing Mine Drainages; Wos:A1975az60400006; Times Cited: 1; ISI Web of Science |
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no |
| Call Number |
CBU @ c.wolke @ 9249 |
Serial |
99 |
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| Author |
Tarutis Jr, W.J.; Stark, L.R.; Williams, F.M. |
| Title |
Sizing and performance estimation of coal mine drainage wetlands |
Type |
Journal Article |
| Year |
1999 |
Publication |
Ecological Engineering |
Abbreviated Journal |
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| Volume |
12 |
Issue |
3-4 |
Pages |
353-372 |
| Keywords |
mine water treatment coal mine drainage constructed wetlands efficiency first-order removal loading rate removal kinetics sizing zero-order removal constructed wetlands water-quality iron kinetics removal model phosphorus retention mechanism design Wetlands and estuaries geographical abstracts: physical geography hydrology (71 6 8) acid mine drainage effluent performance assessment remediation wetland management |
| Abstract |
The effectiveness of wetland treatment of acid mine drainage (AMD) was assessed using three measures of performance: treatment efficiency, area-adjusted removal, and first-order removal. Mathematical relationships between these measures were derived from simple kinetic equations. Area-adjusted removal is independent of pollutant concentration (zero-order reaction kinetics), while first-order removal is dependent on concentration. Treatment efficiency is linearly related to area-adjusted removal and exponentially related to first-order removal at constant hydraulic loading rates (flow/area). Examination of previously published data from 35 natural AMD wetlands revealed that statistically significant correlations exist between several of the performance measures for both iron and manganese removal, but these correlations are potentially spurious because these measures are derived from, and are mathematical rearrangements of, the same operating data. The use of treatment efficiency as a measure of performance between wetlands is not recommended because it is a relative measure that does not account for influent concentration differences. Area-adjusted removal accounts for mass loading effects, but it fails to separate the flow and concentration components, which is necessary if removal is first-order. Available empirical evidence suggests that AMD pollutant removal is better described by first-order kinetics. If removal is first-order, the use of area-adjusted rates for determining the wetland area required for treating relatively low pollutant concentrations will result in undersized wetlands. The effects of concentration and flow rate on wetland area predictions for constant influent loading rates also depend on the kinetics of pollutant removal. If removal is zero-order, the wetland area required to treat a discharge to meet some target effluent concentration is a decreasing linear function of influent concentration (and an inverse function of flow rate). However, if removal is first-order, the required wetland area is a non-linear function of the relative influent concentration. Further research is needed for developing accurate first-order rate constants as a function of influent water chemistry and ecosystem characteristics in order to successfully apply the first-order removal model to the design of more effective AMD wetland treatment systems. |
| Address |
W.J. Tarutis Jr., Department of Natural Science, Lackawanna Junior College, 501 Vine Street, Scranton, PA 18509, United States |
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0925-8574 |
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Feb.; Sizing and performance estimation of coal mine drainage wetlands; 0427766; Netherlands 46; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/10596.pdf; Geobase |
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| Call Number |
CBU @ c.wolke @ 10596 |
Serial |
25 |
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| Author |
Mitchell, P. |
| Title |
Silica micro encapsulation: An innovative commercial technology for the treatment of metal and radionuclide contamination in water and soil |
Type |
Journal Article |
| Year |
2000 |
Publication |
Environmental Issues and Management of Waste in Energy and Mineral Production |
Abbreviated Journal |
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Issue |
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Pages |
307-314 |
| Keywords |
mine water treatment |
| Abstract |
Klean Earth Environmental Company (KEECO) has developed the Silica Micro Encapsulation (SME) technology to treat heavy metals and radionuclides in water and soil. Unlike conventional neutralization/precipitation methods, SME encapsulates the contaminants in a permanent silica matrix resistant to degradation under even extreme environmental conditions. Encapsulated metals and radionuclides are effectively immobilized, minimising the potential for environmental contamination and impacts on human or ecosystem health. The effectiveness of SME has been proven through independent reviews, laboratory and field trials and commercial contracts, and the technology can be used to control and prevent acid drainage and the transport of soluble metals from mine sites, tailings areas, landfills and industrial sites. Successful demonstrations in the treatment of sediments and in brownfield redevelopment, treatment of metal-finishing wastewaters, and control of hazardous, low-level, and mixed waste at DOE/DOD sites and commercial nuclear power plants have also been undertaken. This paper describes the reactions involved in the SME process, the methods by which SME chemicals are introduced to various media, and recent project applications relevant to the cost effective remediation and prevention of environmental problems arising from energy and mineral production. |
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Silica micro encapsulation: An innovative commercial technology for the treatment of metal and radionuclide contamination in water and soil; Isip:000088357300049; Times Cited: 0; ISI Web of Science |
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| Call Number |
CBU @ c.wolke @ 17088 |
Serial |
174 |
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| Title |
Selecting Mine Drainage Treatment Systems |
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Journal Article |
| Year |
1995 |
Publication |
E&Mj-Engineering and Mining Journal |
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| Volume |
196 |
Issue |
10 |
Pages |
Rr24-& |
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mine water treatment |
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Selecting Mine Drainage Treatment Systems; Wos:A1995ta62400001; Times Cited: 0; ISI Web of Science |
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no |
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CBU @ c.wolke @ 8900 |
Serial |
87 |
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| Author |
Bell, A.V.; Nancarrow, D.R. |
| Title |
Salmon and mining in northeastern New Brunswick (a summary of the northeastern New Brunswick mine water quality program) |
Type |
Journal Article |
| Year |
1974 |
Publication |
CIM Bull. |
Abbreviated Journal |
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| Volume |
67 |
Issue |
751 |
Pages |
44-53 |
| Keywords |
mining water pollution water treatment salmon mining mine water quality programme mineral resources fishery resource metal mining Computers and Control Manufacturing and Production |
| Abstract |
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 |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 16788 |
Serial |
457 |
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