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Potential use of crown pillar pit in a demonstration project of the feasibility of subaqueous disposal of acid generating metal mine tailings / Pierre Brassard and Alena Mudroch. : En13-5/94-04E-PDF

"A simple model is proposed to predict the rate of oxidation of metal mine tailings disposed on the bottom of a meromictic pit at a mining site near Ignace, Ontario. The consumption of oxygen in the pit water by disposed tailings is limited by diffusion across the thermocline, and can only reach a maximum value depending on the depth and morphometry of the pit. The standard acid-base accounting method is used to characterize the neutralization potential of the disposed tailings. Theoretical calculation shows that the amount of calcite needed to neutralize the generated acid by oxidation of the tailings has to be considered, and is related to the desired ambient pH"--Abstract, page 2.

Lien permanent pour cette publication :
publications.gc.ca/pub?id=9.877331&sl=1

Renseignements sur la publication
Ministère/Organisme
  • Canada. Environment Canada.
  • National Water Research Institute (Canada). Lakes Research Branch.
  • McMaster University. Department of Chemistry.
  • National Water Research Institute (Canada)
TitrePotential use of crown pillar pit in a demonstration project of the feasibility of subaqueous disposal of acid generating metal mine tailings / Pierre Brassard and Alena Mudroch.
Titre de la série
  • NWRI contribution ; no. 94-04
Type de publicationMonographie - Voir l'enregistrement principal
Langue[Anglais]
FormatTexte numérique
Document électronique
Note(s)
  • Digitized edition from print [produced by Environment and Climate Change Canada].
  • Includes bibliographical references (pages 24-25).
Information sur la publication
  • Burlington, Ontario : National Water Research Institute = Institut national de recherche sur les eaux, [1994]
Auteur / Contributeur
  • Brassard, Pierre, 1950- author.
  • Mudroch, Alena, author.
Description1 online resource (26 pages, 8 unnumbered pages) : illustrations.
Numéro de catalogue
  • En13-5/94-04E-PDF
Descripteurs
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