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The reference ore is ground for certain time and the power consumption ... reduce the comminution energy ... compared to the conventional ball mill.
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To calculate the needed grinding ... W is the work index measured in a laboratory ball mill ... Compared to ball mills HPGRs achieve a 30 to 50% lower specific energy ...
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DATA QUALITY AND METHODOLOGY FOR CALCULATING ENERGY CONSUMPTION ... equipment to calculate the energy consumption per ton ... in ball mills would improve the energy ...
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Ernest Orlando Lawrence Berkeley National Laboratory University of California ... Energy Consumption in U.S. Cement Production by Fuel, 1970 to 1999 ...
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By replacing ball mills with vertical or horizontal roller mills in raw material preparation, energy savings of 6-10 kWh/t-raw materials (depending on grindability of ...
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