Mechanical Operations
Rittinger's crushing law states that

Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product
Work required in crushing is proportional to the new surface created
For a given machine and feed, crushing efficiency is dependent on the size of the feed & product
Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product

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