Long-term planning for open pits for mining sulphide-oxide ores in order to achieve maximum profit

• Autorzy: Krzanovic D. , Conic V. , Stevanovic D. , Kolonja B. , Vaduveskovic J.

Identyfikatory

DOI

10.1515/amsc-2017-0056

Warianty tytułu

PL

Planowanie długoterminowe wydobycia rudy siarczkowej w kopalniach odkrywkowych w celu uzyskania maksymalnego poziomu zysków

• Języki publikacji: EN

Abstrakty

EN

Profitable exploitation of mineralised material from the earth’s crust is a complex and difficult task that depends on a comprehensive planning process. Answering the question of how to plan production depends on the geometry of the deposit, as well as the concentration, distribution, and type of minerals in it. The complex nature of mineral deposits largely determines the method of exploitation and profitability of mining operations. In addition to unit operating costs and metal prices, the optimal recovery of and achievement of maximum profit from deposits of sulphide-oxide ores also depend, to a significant extent, on the level of technological recovery achieved in the ore processing procedure. Therefore, in defining a long-term development strategy for open pits, special attention must be paid to the selection of an optimal procedure for ore processing in order to achieve the main objective: maximising the Net Present Value (NPV). The effect of using two different processes, flotation processing and hydrometallurgical methods (bioleaching acid leaching), on determining the ultimate pit is shown in the case of the Kraku Bugaresku-Cementacija sulphide-oxide ore deposit in eastern Serbia. Analysis shows that the application of hydrometallurgical methods of processing sulphide-oxide ore achieved an increase in NPV of 20.42%.

PL

Przynosząca zyski eksploatacja kopalin wydobywanych ze skorupy ziemskiej jest zadaniem złożonym i trudnym, wymagającym całościowego planowania. Aby określić w jaki sposób zaplanować prace wydobywcze, należy uwzględnić geometrię złoża, a także rozkład, koncentrację i rodzaj zawartych w złożu minerałów. Złożony charakter złóż minerałów w dużej mierze determinuje wybór metod wydobycia oraz poziom zysków. Obok jednostkowych kosztów produkcji oraz cen metali, optymalna eksploatacja złóż rud siarczkowych i osiągniecie maksymalnych zysków w dużej mierze zależą także od zastosowanych technologii uzyskiwania metalu z rud. Przy definiowaniu długoterminowej strategii wydobycia rud w kopalni odkrywkowej uwzględnić także należy wybór optymalnej metody obróbki rud w celu uzyskania założonego celu: maksymalizacji wartości bieżącej netto (NPV – Net Present Value). Wykorzystanie dwóch procesów: flotacji oraz metod hydro-metalurgicznych (bio-wypłukiwanie, ługowanie) przedstawiono dla rozważanego przypadku kopalni odkrywkowej rudy siarczkowej eksploatującej złoże w regionie Kraku-Bugaresku-Cementacija we wschodniej Serbii. Analizy wskazały, że zastosowanie metod hydro-metalurgicznych zapewnia wzrost wartości bieżącej netto o 20.42%.

Słowa kluczowe

EN

long term planning; optimisation; bioleaching; acid leaching; net present value

PL

planowanie długoterminowe; optymalizacja; bio-wypłukiwanie; ługowanie kwasowe; wartość bieżąca netto (NPV)

• Wydawca: Instytut Mechaniki Górotworu PAN
• Czasopismo: Archives of Mining Sciences
• Rocznik: 2017
• Tom: Vol. 62, no. 4
• Strony: 807--824
• Opis fizyczny: Bibliogr. 33 poz., rys., tab., wykr.

Twórcy

autor

Krzanovic D.

• Mining and Metallurgy Institute Bor, Zeleni Bulevar 35, 19210 Bor, Serbia

autor

Conic V.

• Mining and Metallurgy Institute Bor, Zeleni Bulevar 35, 19210 Bor, Serbia

autor

Stevanovic D.

• University of Belgrade, Faculty of Mining and Geology, Djusina 7, 11000 Belgrade, Serbia

autor

Kolonja B.

• University of Belgrade, Faculty of Mining and Geology, Djusina 7, 11000 Belgrade, Serbia

autor

Vaduveskovic J.

• Mining and Metallurgy Institute Bor, Zeleni Bulevar 35, 19210 Bor, Serbia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018)