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Economic Analysis of the Application of the Technological System for Removing Suspended Solids from Mine Drainage Waters

Author

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  • Jolanta Gumińska

    (Faculty of Energy and Environmental Engineering, Silesian University of Technology, Akademicka 2, 44-100 Gliwice, Poland)

  • Franciszek Plewa

    (Faculty of Mining, Safety Engineering and Industrial Automation, Silesian University of Technology, Akademicka 2, 44-100 Gliwice, Poland)

  • Aneta Grodzicka

    (Faculty of Mining, Safety Engineering and Industrial Automation, Silesian University of Technology, Akademicka 2, 44-100 Gliwice, Poland)

  • Adam Gumiński

    (Faculty of Organization and Management, Silesian University of Technology, Akademicka 2, 44-100 Gliwice, Poland)

  • Magdalena Rozmus

    (KOMAG Institute of Mining Technology, Pszczyńska 37, 44-101 Gliwice, Poland)

  • Dariusz Michalak

    (KOMAG Institute of Mining Technology, Pszczyńska 37, 44-101 Gliwice, Poland)

Abstract

This paper presents the results of the technological and economic analysis of mine water treatment systems before their discharge into the environment. The following analysis enabled us to determine the profitability of the investment, taking into account the TSS (total suspended solids) concentration in mine water. The simulation results showed that it is economically profitable to apply a water treatment system if natural sedimentation carried out in underground mine water passages, or in sedimentation tanks located on the ground, is ineffective for TSS removal. Economic and financial parameters allow us to conclude that all analyzed variants of the application of a pre-treatment system are characterized by high economic effectiveness. This mainly results from the high profitability of an analyzed investment, comparatively low capital expenditure, and present low market percentage rates. The most profitable variant (TSS concentration is 1000 mg/dm 3 ) brings significant economic indicators, i.e., high NPV–Net Present Value (100 319 270.28 PLN), a high NPVR–Net Present Value Ratio (8.96 PLN/PLN), and a short discount payback period (1 year 236.6 days). A high internal rate of return (157.8%) for this variant reduces the risk of losing profitability in a situation of growing capital costs in the monetary market.

Suggested Citation

  • Jolanta Gumińska & Franciszek Plewa & Aneta Grodzicka & Adam Gumiński & Magdalena Rozmus & Dariusz Michalak, 2021. "Economic Analysis of the Application of the Technological System for Removing Suspended Solids from Mine Drainage Waters," Energies, MDPI, vol. 14(24), pages 1-11, December.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:24:p:8232-:d:697103
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    Cited by:

    1. Marta Wiesner-Sękala & Beata Kończak, 2023. "Assessment of the Impact of Industrial and Municipal Discharges on the Surface Water Body Status (Poland)," Sustainability, MDPI, vol. 15(2), pages 1-20, January.

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