bond work index - determination of the bond work index of

[2] “The Bond work index refers to the measure of the material’s hardness or resistance to crushing and grinding, and is numerically expressed as the kilowatt hours per short ton required to reduce the material from theoretically infinite feed size to 80% passing 100 µ.m.” [2] It is calculated using the equation below: W i = 4.45 P i 0.22 G 0.82 (1 √ P − 1 √ F) (1) where W i is the Bond work index, P i in microns is the …

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