Now showing items 1-5 of 5

    • Cost and energy savings on mine surface cooling systems 

      Moropa, Thabiso Sekia (North-West University (South Africa) , Potchefstroom Campus, 2017)
      The South African national power utility, Eskom, is struggling to meet the high electrical energy demand. The problem is due to the shortage of generating capacities as a result of delays in the building of new power ...
    • Developing an evaluation model for cost saving initiatives on sinter plants 

      Van Deventer, C. (North-West University, 2018)
      Ever-rising operating costs are placing the South African steel industry under significant financial pressure. Energy costs are increasing at a rate higher than inflation which makes it extremely difficult for local steel ...
    • Optimising deep-level mine refrigeration control for sustainable cost savings 

      Peach, Pieter Frederik Hames (North-West University (South Africa) , Potchefstroom Campus, 2017)
      Declined productivity and increased operational costs have seen South African deep-level gold mines become marginal operations during the past few years. The price of electricity is one of the major contributors to an ...
    • Reconfiguring mine water reticulation systems for cost savings 

      Conradie, Wynand (North-West University, Potchefstroom Campus, 2018)
      Rising electricity costs in South Africa force companies, including gold mines, to minimise their energy consumption (EC). More than 30% of the total energy demand for deep-level mines is consumed by the water reticulation ...
    • Reconfiguring mining compressed air networks for cost savings 

      Bredenkamp, Johannes Izak Gabriël (2014)
      The world is currently experiencing major issues in the energy sector. The ever-growing human population, limited energy resources and the effect of greenhouse gas emissions have become major global concerns for the energy ...