The “Mill Redesign Project” at Inco’s Clarabelle Mill

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Texte
Sommaire: Pitting corrosion inhibition of 304 stainless
steel (SS) in groundwater with a ternary inhibitor mixture (phosphonic acid + bivalent cation + various surfactants) was studied with different environmental variables such as temperature, pH, dissolved oxygen and chloride ions. Critical pitting potential and corrosion potential were calculated for these test media using electrochemical techniques. Under the tested condition, the localized corrosion resistance of 304 SS was determined and the...
Publication: CIM Bulletin
Auteur(s): D. Gopi, S. Rajeswari
Numéro: 1075
Volume: 96
Année: 2003
Texte
Sommaire: This paper reports the results of the field
demonstration campaign of a new process for
removing and destroying ammonia from mining/metallurgical effluent solutions. The 50-day campaign was carried out at a uranium plant in Saskatchewan, Canada. The process was developed by adapting and integrating two wellestablished technologies: zeolite adsorption/elution to extract the ammonia from the effluent stream and to produce a concentrated ammonia eluate; and conversion of the in the eluate to...
Publication: CIM Bulletin
Auteur(s): W.D. Gould, D.W. Koren, P. Bédard, R. Molnar
Numéro: 1075
Volume: 96
Année: 2003
Texte
Sommaire: A large-scale panel destress blast was fired at Brunswick mine in the fall of 1999 in order to reduce the ground stresses in a critically
important neighbouring mining region. This work, sponsored by the Mining Division of CAMIRO and Brunswick mine, consisted in
heavily choke-blasting — and subsequently
leaving in place — a massive waste sulphide
pillar in the southwest end of the 1000 m level.
This paper describes the approach and design methodology used to try to maximize breakage in the...
Publication: CIM Bulletin
Auteur(s): P.P. Andrieux, R.K. Brummer, Q. Liu, B.P. Simser, A. Mortazavi
Numéro: 1075
Volume: 96
Année: 2003
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