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Sommaire: In the Phosporia formation of SE Idaho, ore quality varies by depth, seam and distance along strike; phosphorus recovery is sensitive to these variations. Plant ore feed can be blended over time to minimize this fluctuation by using a combination of mine production and inventory stockpile scheduling. Mixed-integer and goal programming has been used to optimize short-term mine production, but the seasonal nature of mine haulage requires the use of stockpiles both at the mill and the mine. The...
Publication: CIM Bulletin
Auteur(s): M.L. Smith
Mots clés: AMPL/Cplex, Phosphate mining, Stockpiling, Inventory control.
Numéro: 1030
Volume: 92
Année: 1999
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