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Summary: An evaluation of the elevated water table concept using laboratory
columns with sulphidic tailings
M. Ouangrawa (1)
, M. Aubertin(1)
, J. Molson(1)
, G.J. Zagury(1)
, & B. Bussière(2)
(1)
NSERC Polytechnique/UQAT Chair, Environment and Mine Waste Management
Ecole Polytechnique Montréal
P.O. Box 6079 Station Centre ville, Montréal, Québec, Canada, H3C 3A7
Tel : (514) 340-4711 x4046
Fax : (514) 340-4477
(2)
Université du Québec en Abitibi-Témiscamingue, Rouyn-Noranda
mariam.ouangrawa@polymtl.ca
ABSTRACT
The elevated water table concept is a potentially effective means of reducing acid mine drainage from reactive tailings
impoundments. The effectiveness of the technique, based on a controlled phreatic surface position, depends on many factors
including the capillary retention properties of the waste material, climatic conditions, water balance of the impoundment, as
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