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Summary: ON THE USE OF LIMESTONE DRAINS IN THE PASSIVE TREATMENT
OF ACID MINE DRAINAGE (AMD).
Louis R. Bernier1
, Michel Aubertin1
, Charles Poirier1
et Bruno Bussière2
.
Chaire CRSNG-Polytechnique-UQAT Environnement et gestion des rejets miniers
1
Dept. CGM, École Polytechnique, Campus Université de Montréal
C.P. 6079, Station Centre-Ville ,Montréal, Qc, Canada, H3C 3A7
2
Université du Québec en Abitibi-Témiscamingue
445 boul. De l'Université, Rouyn-Noranda (Québec), J9X 5E4
louis.bernier@polymtl.ca, http://www.enviro-geremi.polymtl.ca/
ABSTRACT
Most systematic studies carried out on passive treatment systems incorporating the use of
limestone drains, under aerobic or anaerobic conditions, essentially deal with the treatment of
effluents from mines in the USA. A limestone drain typically comprises a trench filled with
crushed limestone rocks surrounded by impervious materials. In the case of anoxic drains, the
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