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- W2914011438 abstract "Literature shows that more than 30% of the total energy demand for deep-level mines is consumed by the water reticulation system. Rising electricity costs in South Africa force gold mines to drastically change and reconfigure their systems. These interventions aim to lower their energy consumption and operational cost. Decreasing the amount of water circulating through the dewatering system, is a proven method to decrease costs throughout the day, every day. The intervention in this paper entails a reconfiguration of a mine’s tertiary cooling system, by removing chilled water cars and replacing them with strategically placed centralised bulk air-coolers. A reconfiguration of this nature is expensive and takes time. A methodology is needed to predict the cost savings for such a project. The cost savings stem from the energy savings. The methodology uses calculations and simulations to evaluate the energy consumption of the original and reconfigured system. The methodology was tested on a gold mine in South Africa. The mine is in the process of reconfiguring their water reticulation system. The predicted energy-efficiency and cost savings were 49.1 GWh and R31.8 million per annum, respectively. It is concluded that using this method to evaluate reconfiguring is more accurate than a simple calculation and further recommendations are presented." @default.
- W2914011438 created "2019-02-21" @default.
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- W2914011438 date "2018-08-01" @default.
- W2914011438 modified "2023-09-26" @default.
- W2914011438 title "Development of A Model to Predict Cost Savings of Reconfigured Mine Water Reticulation Systems" @default.
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