000 02395cam  2200385zi 4500
0019.877331
003CaOODSP
00520221107164940
006m     o  d f      
007cr bn|||||||||
008190801s1994    onca    ob   f000 0 eng d
040 |aCaOODSP|beng|erda|cCaOODSP
043 |an-cn-on
0861 |aEn13-5/94-04E-PDF
1001 |aBrassard, Pierre, |d1950- |eauthor.
24510|aPotential use of crown pillar pit in a demonstration project of the feasibility of subaqueous disposal of acid generating metal mine tailings / |cPierre Brassard and Alena Mudroch.
264 1|aBurlington, Ontario : |bNational Water Research Institute = Institut national de recherche sur les eaux, |c[1994]
300 |a1 online resource (26 pages, 8 unnumbered pages) : |billustrations.
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
4901 |aNWRI contribution ; |vno. 94-04
500 |aDigitized edition from print [produced by Environment and Climate Change Canada].
504 |aIncludes bibliographical references (pages 24-25).
5203 |a"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.
69207|2gccst|aMining industry
69207|2gccst|aWaste disposal
7001 |aMudroch, Alena, |eauthor.
7101 |aCanada. |bEnvironment Canada.
7102 |aNational Water Research Institute (Canada). |bLakes Research Branch.
7101 |aMcMaster University. |bDepartment of Chemistry.
7102 |aNational Water Research Institute (Canada)
830#0|aNWRI contribution ;|vno. 94-04.|w(CaOODSP)9.844121
85640|qPDF|s2.29 MB|uhttps://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-94-04-eng.pdf