Comparison of methods for the estimation of pyrite oxidation rate in a waste rock pile at Mine Doyon, Quebec, Canada

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Authors

ŠRÁČEK Ondřej GÉLINAS Pierre LEFEBVRE René NICHOLSON Ron V.

Year of publication 2006
Type Article in Periodical
Magazine / Source Journal of Geochemical Exploration
MU Faculty or unit

Faculty of Science

Citation
Field Water pollution and control
Keywords Waste rock; pyrite oxidation rate; temperature and oxygen concentration profiles; pyrite mass balance; oxygen consumption method;
Description Several methods for estimation of pyrite oxidation rate (POR) were compared in waste rock pile at Mine Doyon site, Quebec, Canada. At this site, transport of oxygen occurs by both convection and diffusion. Large scale methods like temperature and oxygen profiles and pyrite mass balance gave similar results like small scale oxygen consumption method in laboratory. This means that at a site with convective oxygen transport even small scale methods may give satisfactory POR results.
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