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Results 1 - 10 from 11 for tailings impoundments in 0.236 sec.
Acid Mine Drainage
The interaction of the low-pH, metals and sulfate contaminated water with tailings and aquifer minerals ... of aqueous geochemical and mineralogical changes that occur within and below sulfide tailings impoundments. The research typically involves field and laboratory investigation, enhanced by groundwater flow, geochemical ...
www.science.uwaterloo.ca
MDAG Case Study 6
Studies). There are numerous case studies that show the preceding oxidation profile exists in many tailings impoundments in many countries and climates (Morin and Hutt, 1997). Some recent field studies by Dold ... Dold et al. (1996) indicated there were two sources for acidity in the tailings. First, although the tailings on the hillside were discharged at pH 11, the mill water apparently became ...
www.mdag.com
MDAG Case Study 5
(Figure 5). Tailings are often pulverized rock with much of the economic metals/minerals removed in another component, the mill. The tailings are typically sent as a slurry to an impoundment for storage. Due to this semi-liquid form of placement, tailings impoundments often cover the largest land ...
www.mdag.com
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MINTOX - Nickel Rim Mine Site Plume
MINTOX Reactive Transport Modelling of the Nickel Rim Mine Site Plume Introduction Groundwater systems downgradient of mine tailings impoundments ... mineral oxidation and subsequent reactive transport of oxidation products in mine tailings impoundments: A numerical model. Water Resources Research, 32(10): 3173-3187. ...
www.science.uwaterloo.ca
Minerals Engineering International - Environmental Issues: Latest News
As a result, alternatives to conventional tailings impoundments, such as paste disposal, backfill and dry stacking are becoming more popular, as discussed in ...
www.min-eng.com
Between Editions
In what appears to be a significant gap in binational oversight, there is no environmental ...
glu.org
Environment Canada's NPRI - Guide for Reporting to the NPRI 2007
CCA to render Cr, Cu and As reportable. Should fugitive dust from tailings dams and tailings impoundments be reported to NPRI as releases? Yes. NPRI substances that are released as ... tailings impoundment. Are the NPRI substances in the sludge considered releases? Substances that are pumped back into a tailings impoundment are not considered releases. The amount of substances leaving the tailings ...
www.ec.gc.ca
ARCADIS, Imagine the result.
Innovative technologies.
In-situ reactive walls and reactive zones (IRZ) are used to remediate groundwater beneath tailings impoundments, leaking leach pads or ponds at mines or smelters, or downgradient of pit lakes. Use ...
www.greystone-consultants.com
MDAG Case Study 28
K.A. 1983. Prediction of Subsurface Contaminant Transport in Acidic Seepage from Uranium Tailings Impoundments. Ph.D. Thesis, Department of Earth Sciences, University of Waterloo, Ontario, Canada. ... Lim, and A.J. Vivyurka. 1988b. Migration of acidic groundwater seepage from uranium-tailings impoundments, 2. Geochemical behavior of radionuclides in groundwater. Journal of Contaminant Hydrology, 2, ...
mdag.com
Mining, Environment and Development > Case Studies
Environment (ICME), 1996. Hardcopy only - Order Form (PDF). Case Studies on Tailings Management - UNEP/International Council on Metals and the Environment (ICME), 1998. Hardcopy ... 2000. Environmental and Safety Incidents concerning Tailings Dams at Mines - UNEP/ DHA, 1996. Hardcopy only - Order Form (PDF). A Guide to Tailings Dams and Impoundments - design, construction, use and rehabilitation ...
www.natural-resources.org
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