How to ensure energy efficiency in mining 4/4: Efficient ...
2019-1-11u2002·u2002The energy required to lift a metric ton of ore up 100 meters will always be the same, about 1MJ, regardless of how it's done. However, in the case of a haul truck, the mass of the haul truck required to lift the 1 metric ton of ore up 100 meters will be about 2 metric tons. So, at the very minimum, you will need 3MJ of energy to lift …
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