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Author |
Henderson, A. |
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Title |
The implementation of paste fill at the Henty Gold Mine |
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Journal Article |
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1998 |
Publication |
Minefill'98 |
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98 |
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1 |
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299-304 |
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mine water treatment |
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Abstract  |
The Henty Gold Mine, located ill Western Tasmania uses innovative solutions to effectively manage a mining operation in an environmentally sensitive setting and has been presented with several environmental awards. Fill is required as part of the mining method to provide passive ground support, minimise rock exposure and ensure maximum recovery of the small but high-grade orebody. The use of the whole portion of leach residue in the backfill reduces the surface tailing disposal requirements. Therefore, High Density Paste Fill (HDPF) has been selected as the most appropriate fill method to meet these objectives. Additional benefits include the minimisation of excess water from fill and the subsequent need for the collection and treatment of water and slimes. There are minimal equipment requirements during placement, thereby optimising mine resources for production. |
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The implementation of paste fill at the Henty Gold Mine; Isip:000074225800048; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 17142 |
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181 |
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Author |
Gobla, M.J. |
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Title |
A rapid response to cleanup – Gilt Edge Superfund Site, South Dakota |
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Journal Article |
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Year |
2002 |
Publication |
Tailings and Mine Waste '02 |
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421-425 |
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mine water treatment |
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The Gilt Edge gold mine is an acid drainage site that has been put on an accelerated closure schedule. The mine ceased activities in 1999 when Dakota Mining Corporation declared bankruptcy forcing the State of South Dakota to immediatly assume water treatment operations. Evaluation of conceptual closure plan options and cost estimates led the State of South Dakota to a decision to seek Federal assistance. The site has quickly moved into reclamation mode for the principal contamination source, the Ruby waste-rock dump. Designs and specifications for capping the Ruby waste-rock dump were prepared while Superfund listing was pursued. In October of 2000, mobilization of the first reclamation contractor began and by December the site was added to the National Priorities List. Capping the waste-rock dump will address a major acid drainage source. Water treatment requirements are expected to decline as conventional methods such as diverting clean water, backfilling, grading, capping, limestone neutralization, and revegetation are implemented. Acid seepage from underground workings, steep highwalls, and some pit backfills will remain. Major field trials of emerging technologies are nearing completion and some are showing promising results. Carbon reduction in a pit lake, and pyrite microencapsulation on simulated waste dumps, are showing initial success. Their application may minimize or eliminate the need for long-term active water treatment which has been a long sought goal for major acid rock drainage sites. |
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A rapid response to cleanup – Gilt Edge Superfund Site, South Dakota; Isip:000175560600055; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 17038 |
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160 |
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Gusek, J.J. |
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Title |
Design challenges for large scale sulfate reducing bioreactors |
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Journal Article |
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2005 |
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Contaminated Soils, Sediments and Water: Science in the Real World, Vol 9 |
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9 |
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33-44 |
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mine water treatment |
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The first large-scale (1,200 gpm capacity), sulfate-reducing; bioreactor (SRBR) was constructed in 1996 to treat water from an underground lead mine in Missouri. Other large-scale SRBR systems have been built elsewhere since then. This technology holds much promise for economically treating heavy metals and has progressed steadily from the laboratory to industrial applications. Scale-up challenges include: designing for seasonal temperature variations, minimizing short circuits, changes in metal loading rate s, storm water impacts, and resistance to vandalism. However, the biggest challenge may be designing for the progressive biological degradation of the organic substrate and its effects on the hydraulics of the SRBR cells. |
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Design challenges for large scale sulfate reducing bioreactors; Isip:000225303300004; Times Cited: 0; ISI Web of Science |
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Call Number |
CBU @ c.wolke @ 16959 |
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156 |
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Author |
Jeffree, R.A. |
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Title |
Rum Jungle mine site remediation: Relationship between changing water quality parameters and ecological recovery in the Finniss River system |
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Journal Article |
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Year |
2000 |
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ICARD 2000, Vols I and II, Proceedings |
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759-764 |
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mine water treatment |
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The Finniss River system in tropical northern Australia has received 'acid-drainage' contaminants from the Rum Jungle uranium/copper mine site over the past 4 decades. Following mine-site remediation that began in 1981-82 the annual contaminant loads of sulfate, Cu, Zn and Mn have declined by factors of 3, 7, 5 and 4, respectively over 1990-93, compared to the 1969-74 pre-remediation loads. Comparison of the frequency distributions of contaminant water concentrations over these pre- and post-remedial periods have shown varying degrees of reduction in the highest levels following mine-site remediation, that are consistent with reductions in their annual-cycle loads. Among the three selected major metal contaminants the reductions in maximum water concentrations are most pronounced for Cu. The demonstrated reductions in the highest water concentrations of all four contaminants are also associated with previously reported ecological improvement in the Finniss River system, compared to the benchmark of environmental detriment established in 1973/74, prior to the beginning of remediation at the mine site. |
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Rum Jungle mine site remediation: Relationship between changing water quality parameters and ecological recovery in the Finniss River system; Isip:000169875500073; Times Cited: 0; ISI Web of Science |
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Call Number |
CBU @ c.wolke @ 17098 |
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170 |
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Author |
Kuyucak, N. |
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Title |
Mining, the Environment and the Treatment of Mine Effluents |
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Journal Article |
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Year |
1998 |
Publication |
Int. J. Environ. Pollut. |
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10 |
Issue |
2 |
Pages |
315-325 |
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Keywords |
mine water treatment acid mine drainage high density sludge lime neutralization mining environment passive treatment sulfate-reducing bacteria |
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Abstract |
The environmental impact of mining on the ecosystem, including land, water and air, has become an unavoidable reality. Guidelines and regulations have been promulgated to protect the environment throughout mining activities from start-up to site decommissioning. In particular, the occurrence of acid mine drainage (AMD), due to oxidation of sulfide mineral wastes, has become the major area of concern to many mining industries during operations and after site decommissioning. AMD is characterized by high acidity and a high concentration of sulfates and dissolved metals. If it cannot be prevented or controlled, it must be treated to eliminate acidity, and reduce heavy metals and suspended solids before release to the environment. This paper discusses conventional and new methods used for the treatment of mine effluents, in particular the treatment of AMD. |
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0957-4352 |
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Mining, the Environment and the Treatment of Mine Effluents; Isi:000078420600009; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17477 |
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56 |
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