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Sibrell, P.L. |
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Title |
Limestone fluidized bed treatment of acid-impacted water at the Craig Brook National Fish Hatchery, Maine, USA |
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Journal Article |
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2006 |
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Aquacultural Engineering |
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34 |
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2 |
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61-71 |
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Keywords |
mine water treatment |
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Abstract |
Decades of atmospheric acid deposition have resulted in widespread lake and river acidification in the northeastern U.S. Biological effects of acidification include increased mortality of sensitive aquatic species Such as the endangered Atlantic salmon (Salmo salar). The purpose of this paper is to describe the development of a limestone-based fluidized bed system for the treatment of acid-impacted waters. The treatment system was tested at the Craig Brook National Fish Hatchery in East Orland, Maine over a period of 3 years. The product water from the treatment system was diluted with hatchery water to prepare water supplies with three different levels of alkalinity for testing of fish health and Survival. Based on positive results from a prototype system used in the first year of the study, a larger demonstration system was used in the second and third years with the objective of decreasing operating costs. Carbon dioxide was used to accelerate limestone dissolution, and was the major factor in system performance, as evidenced by the model result: Alk = 72.84 X P(CO2)(1/2); R-2 = 0.975. No significant acidic incursions were noted for the control water over the course of the Study. Had these incursions occurred, survivability in the untreated water would likely have been much more severely impacted. Treated water consistently provided elevated alkalinity and pH above that of the hatchery source water. (C) 2005 Elsevier B.V. All rights reserved. |
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Limestone fluidized bed treatment of acid-impacted water at the Craig Brook National Fish Hatchery, Maine, USA; Wos:000235568800001; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 16942 |
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113 |
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Author |
Edraki, M. |
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Title |
Post closure management of the Mt Leyshon Gold Mine – Water the integrator |
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Journal Article |
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Year |
2006 |
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Water in Mining 2006, Proceedings |
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233-242 |
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mine water treatment |
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Mining at the Mt Leyshon Gold Mine in semi-arid north Queensland stopped in 2002. Newmont Australia has recently initiated a thorough post-closure water management study of the site by revisiting the existing information and conducting new water-related investigations. The focus of this paper. which is the first publication on post-closure environmental management of the site. is an overview of the site water quality in view of the sources and spatial distribution of polluted mine water, and also the performance of cover systems in controlling water flux though mine wastes. |
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Post closure management of the Mt Leyshon Gold Mine – Water the integrator; Isip:000243724400032; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 16925 |
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150 |
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Author |
Nakazawa, H. |
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Treatment of acid mine drainage containing iron ions and arsenic for utilization of the sludge |
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2006 |
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Sohn International Symposium Advanced Processing of Metals and Materials, Vol 9 |
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373-381 |
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mine water treatment arsenic biotechnology filtration iron membranes microorganisms mining industry oxidation sludge treatment acid mine drainage arsenic ion sludge treatment Horobetsu mine Hokkaido Japan ferrous iron membrane filter pore size arsenite solutions microbial oxidation As Fe Manufacturing and Production |
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An acid mine drainage in abandoned Horobetsu mine in Hokkaido, Japan, contains arsenic and iron ions; total arsenic ca.10ppm, As(III) ca. 8.5ppm, total iron 379ppm, ferrous iron 266ppm, pH1.8. Arsenic occurs mostly as arsenite (As (III)) or arsenate (As (V)) in natural water. As(III) is more difficult to be remove than As(V), and it is necessary to oxidize As(III) to As(V) for effective removal. 5mL of the mine drainage or its filtrate through the membrane filter (pore size 0.45 mu m) were added to arsenite solutions (pH1.8) with the concentration of 5ppm. After the incubation of 30 days, As(III) was oxidized completely with the addition of the mine drainage while the oxidation did not occur with the addition of filtrate, indicating the microbial oxidation of As(III). In this paper, we have investigated the microbial oxidation of As(III) in acid water below pH2.0. |
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0-87339-642-1 |
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Aug 27-31; Treatment of acid mine drainage containing iron ions and arsenic for utilization of the sludge; Isip:000241817200032; Conference Paper Times Cited: 0; ISI Web of Science |
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Call Number |
CBU @ c.wolke @ 17456 |
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151 |
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Author |
Wolkersdorfer, C. |
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Title |
Tracer tests as a mean of remediation procedures in mines |
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Journal Article |
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2006 |
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Uranium in the Environment: Mining Impact and Consequences |
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817-822 |
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mine water treatment |
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Mining usually causes severe anthropogenic changes by which the ground- or surface water might be significantly polluted. One of the main problems in the mining industry are acid mine drainage, the drainage of heavy metals, and the prediction of mine water rebound after mine closure. Consequently, the knowledge about the hydraulic behaviour of the mine water within a flooded mine might significantly reduce the costs of mine closure and remediation. In the literature, the difficulties in evaluating the hydrodynamics of flooded mines are well described, although only few tracer tests in flooded mines have been published so far. Most tracer tests linked to mine water problems were related to either pollution of the aquifer or radioactive waste disposal and not the mine water itself. |
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Tracer tests as a mean of remediation procedures in mines; Isip:000233396400084; Times Cited: 0; ISI Web of Science |
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Call Number |
CBU @ c.wolke @ 7590 |
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153 |
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Author |
Zinck, J. |
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Book Whole |
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Year |
2006 |
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Abbreviated Journal |
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2604-2617 |
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mine water lime treatment high density sludge process co-disposal sludge stability pond disposal backfill leaching mine reclamation |
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Sludge management is an escalating concern as the inventory of sludge continues to grow through perpetual “pump and treat” of acidic waters at mine sites. Current sludge management practices, in general, are ad hoc and frequently do not adress long-term storage, and in some cases, long-term stability. While a variety of sludge disposal practices have been applied, many have not been fully investigated and monitoring data on the performance of these technologies is limited and not readily available. This paper discusses options for treatment sludge management including conventionale disposal technologies and options for reclamation of sludge areas. |
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Proceedings, International Conference of Acid Rock Drainage (ICARD) |
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St. Louis |
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Icard 2006 |
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Disposal, reprocessing and reuse options for acidic drainage treatment sludge; 2; AMD ISI | Wolkersdorfer; 2 Abb. |
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CBU @ c.wolke @ 17455 |
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184 |
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