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- 154University of Alberta Libraries Licensed Resources/Sixth International Conference on Acid Rock Drainage
- 1Rehabilitation Medicine, Faculty of
- 1Rehabilitation Medicine, Faculty of/General Rehabilitation Medicine
- 1Graduate and Postdoctoral Studies (GPS), Faculty of
- 1Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
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2003
Geldenhuys, A. J., Maree, J. P., Strobos, G., Smit, N., Buthelezi, B.
In mining and processing operations where minerals, high in pyrite and low in calcite/dolomite are processed, acid is generated, which needs to be neutralised. Ticor at Empangeni in South Africa (SA) produces rutile (TiO2), leucoxene (TiO2 plus iron compounds), titanium (Ti), zircon (Zi) and...
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2003
Fala, O., Aubertin, M., Molson, J., Bussière, B., Wilson, G. W., Chapuis, R., Martin, V.
Waste rock piles containing reactive sulfide minerals can serve as long-term sources of acid mine drainage (AMD). Within these piles, many physical, geochemical and biological processes can contribute to the production of AMD. The flow of water, for example, depends on internal pile structure,...
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2003
A clay-capping trial was established in 1996 on Magazine Dump at the Mt Lyell Copper Mine. The trial was initially constructed under the Mount Lyell Remediation Research and Demonstration Program, a co-operative venture between the State and Federal governments. The detailed engineering design...
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2003-01-01
Miller, S., Andrina, J., Richards, D.
The Grasberg is a large copper and gold open pit mine operated by PT Freeport Indonesia and located in the high equatorial mountains of Papua Province, Indonesia. The climate is alpine/sub-alpine with little seasonal variation in temperature and rainfall. The annual precipitation varies from...
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2003-01-01
Neale, A., Miller, S., Michaelsen, D.
The Grasberg Mine is a copper and gold open pit mine operated by PT Freeport Indonesia (PTFI) and located in the high equatorial mountains of the Indonesian province of Papua. The climate is alpine/subalpine with little seasonal variation in temperature or rainfall. The daily average temperature...
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2003
Madison, J. P., Gammons, C. H., Poulson, S. R., Jonas, J. P.
Spatial and temporal trends in water chemistry in the acidic (pH ~2.6) Berkeley Pit lake, Butte, Montana, can be explained by a newly developed iron-cycling model. Key elements of this model include: 1. subaqueous oxidation of pyrite and other metal sulfide minerals by dissolved ferric iron,...
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2003-01-01
Ayres, B., Dirom, G., Christensen, D., Januszewski, S., O’Kane, M.
Four field test plots were constructed in 1998 on a sloped waste rock surface at the Myra Falls Operations of Boliden Westmin (Canada) Limited to evaluate hydraulic performance of alternate cover system designs. The field test plot cover systems were designed to control oxygen ingress and water...
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2003
Milczarek, M., Yao, Tzung-mow, Vinson, J., Word, J., Kiessling, S., Musser, B., Mohr, R.
Properly designed evapotranspirative (ET) cover systems can greatly reduce the amount of infiltration and groundwater recharge (deep percolation) into potential acid generating mine waste. In arid and semi-arid environments, infrequent precipitation, low measurable subsurface fluxes, spatial...
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2003
Ludgate, I., Coggan, A., Davé, N. K.
The performance of in situ, shallow water covers in controlling acid generation was evaluated at four recently decommissioned pyritic uranium tailings sites at Elliot Lake, Ontario, Canada. The tailings are acid generating, having a pyrite content of approximately five to ten per cent and a very...
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2003
Vertical flow systems (SAPS, vertical flow wetlands) are increasingly used for passive treatment of mine drainage that is net acid. Data on 30 systems in eastern US show that well designed systems typically add about 40 g/d/m2 of alkalinity to influent net acid water. If they are designed with a...