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Author |
Peterson, D.E.; Kindley, M.J. |
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Title |
The Golden Cross Mine water management system |
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Journal Article |
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1994 |
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New Zealand Mining |
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14 |
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15-21 |
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Keywords |
Australasia Coromandel Peninsula cyanides gold ores Golden Cross Mine metal ores mines New Zealand North Island tailings Waihi New Zealand waste water water management water treatment 30, Engineering geology |
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Abstract |
Because of its location in the sensitive Coromandel Peninsula, strict water management and environmental requirements had to be met on the Golden Cross Mine Project. This led to the development of new technologies for cyanide recovery and the adoption of advanced water management and water treatment systems. This paper discusses the water management and treatment system adopted for contaminated water at Golden Cross. While permit discharge levels must be and are met for mine discharge waters, the ultimate success of the water management system is demonstrated by the results downstream; biological surveys show no changes to the resident aquatic life in the river. |
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1170-4209 |
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The Golden Cross Mine water management system; 1998-055867; New Zealand (NZL); GeoRef; English |
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CBU @ c.wolke @ 16732 |
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271 |
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Author |
Goulet, R.R. |
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Title |
The evaluation of metal retention by a constructed wetland using the pulmonate gastropod Helisoma trivolvis (Say) |
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Journal Article |
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2001 |
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Archives of Environmental Contamination and Toxicology |
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40 |
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3 |
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303-310 |
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mine water treatment |
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Constructed wetlands are built because they can act as sinks fur many pollutants, thereby protecting the water quality of downstream ecosystems. The treatment performance is generally assessed using mass balance calculations. Along with the mass balance approach, we compared the metal content of populations of a common pond snail (Helisoma trivolvis Say) collected upstream and downstream of a 3-year-old constructed wetland. Snails were collected in early May, June, and August 1998. At the same time, water samples for particulate and dissolved metals were taken every 3 days for the duration of the experiment. Overall, the wetland retained most dissolved metals, including Fe, Mn, Cu, Zn, Ni, and Pb, but released dissolved As. However, the wetland released particulate Fe and Mn. With the exception of Zn, the metal concentrations of the downstream snails were on average higher than those measured in the upstream population. The higher metal content of downstream snails was likely related to the significant export of particulate metals by the wetland, despite the overall retention of dissolved metals. This study points to the need for biological as well as chemical monitoring to determine the treatment efficiency and toxicological risk associated with constructed wetlands. |
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The evaluation of metal retention by a constructed wetland using the pulmonate gastropod Helisoma trivolvis (Say); Wos:000167524900002; Times Cited: 2; ISI Web of Science |
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CBU @ c.wolke @ 17049 |
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125 |
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Cox, M.R.; Peterson, G.L. |
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The effectiveness of in-situ limestone treatment of acid mine drainage Association of Engineering Geologists program with abstracts, 40th annual meeting; Converging at Cascadia |
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Book Chapter |
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1997 |
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Annual Meeting – Association of Engineering Geologists, vol.40 |
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93 |
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acid mine drainage; buffers; carbonate rocks; Carboniferous; clastic sediments; gravel; in situ; limestone; Mississippian; Missouri; Paleozoic; pollution; sedimentary rocks; sediments; southwestern Missouri; spoils; tailings ponds; United States; water pollution 22, Environmental geology |
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The effectiveness of in-situ limestone treatment of acid mine drainage Association of Engineering Geologists program with abstracts, 40th annual meeting; Converging at Cascadia; GeoRef; English; 2005-076824; Association of Engineering Geologists 40th annual meeting, Portland, OR, United States, Sept. 30-Oct. 4, 1997 |
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CBU @ c.wolke @ 6318 |
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412 |
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Author |
Norton, P.J.; Norton, C.J.; Tyrrell, W. |
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Book Whole |
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1998 |
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425-432 |
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wetland acid mine water AMD |
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Proceedings International Mine Water Association Symposium |
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2 |
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Nel Petrus Johannes, L. |
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Mine Water and Environmental Impacts |
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062-02294-0-3 |
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The design, construction and cost of an engineered wetland for treatment of acid drainage from sulphide mineral-rich strata; 1; AMD ISI | Wolkersdorfer; Fg |
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CBU @ c.wolke @ 9828 |
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283 |
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Coulton, R.; Bullen, C.; Hallett, C. |
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The design and optimisation of active mine water treatment plants |
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2003 |
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Land Contam. Reclam. |
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11 |
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2 |
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273-280 |
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sludge mine water treatment mine water active treatment precipitation iron manganese high density sludge sulphide Groundwater problems and environmental effects Pollution and waste management non radioactive manganese sulfide pollutant removal iron water treatment mine drainage |
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This paper provides a 'state of the art' overview of active mine water treatment. The paper discusses the process and reagent selection options commonly available to the designer of an active mine water treatment plant. Comparisons are made between each of these options, based on technical and financial criteria. The various different treatment technologies available are reviewed and comparisons made between conventional precipitation (using hydroxides, sulphides and carbonates), high density sludge processes and super-saturation precipitation. The selection of reagents (quick lime, slaked lime, sodium hydroxide, sodium carbonate, magnesium hydroxide, and proprietary chemicals) is considered and a comparison made on the basis of reagent cost, ease of use, final effluent quality and sludge settling criteria. The choice of oxidising agent (air, pure oxygen, peroxide, etc.) for conversion of ferrous to ferric iron is also considered. Whole life costs comparisons (capital, operational and decommissioning) are made between conventional hydroxide precipitation and the high density sludge process, based on the actual treatment requirements for four different mine waters. |
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R. Coulton, Unipure Europe Ltd., Wonastow Road, Monmouth NP25 5JA, United Kingdom |
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0967-0513 |
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The design and optimisation of active mine water treatment plants; 2530436; United-Kingdom 4; Geobase |
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CBU @ c.wolke @ 17513 |
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59 |
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