On magnetic examinations of corroded hoist ropes

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Mots clés : Equipment;Maintenance;Hoist ropes
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Texte
Sommaire: The induration of iron ore pellets has always utilized prefired pellets to protect the pallet cars from the environment of the induration furnace. This paper presents the process used to obtain superior upper sidewalls. These heat resistant castings are used on induration pallet cars, and their life improvements by as much as 400% is a significant step towards the reduction of the prefired (or hearth layer pellets.) The benefit to the industry in the removal of the hearth layer is improved...
Publication: CIM Bulletin
Auteur(s): J.R.D. Gravel
Mots clés: Pallet Cars, Equipment, Heat resistant casings, Induration of iron ore pellets.
Numéro: 1034
Volume: 92
Année: 1999
Texte
Sommaire: Commercial HCl-leaching of magnesite and serpentine yields highly concentrated aqueous solutions containing 25 mass % to 33 mass % MgCl2. The partial molar enthalpies and heat capacities, the ionic activities of Mg2+ and ClÐ, and the Raoultian activity of H2O have been assessed for the concentrated MgCl2-H2O solutions at temperatures of 348 to 373 K. These thermodynamic data are used to calculate the pH of aqueous MgCl2 solutions saturated with a Mg-bearing mineral such as magnesite,...
Publication: CIM Bulletin
Auteur(s): M. Nagamori, A.J. Plumpton
Mots clés: Metallurgy, HCl leaching, Magnesite, Serpentine, Thermodynamic analysis, Technico-economic analysis.
Numéro: 1034
Volume: 92
Année: 1999
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