SIZE REDUCTION PARADOX
Excellent Equipment Is Being Designed In Spite
of the Lack of a Single General Theory
By Harold E. Galanty
SUMMARY
 Literature on size reduction is plentiful and several
useful "laws" are available, but a` single generally
acceptable theory has not been formulated. The
frame-work is complex and promises to be more
complex in the future.
We are told that size reduction equipment is grossly
inefficient, theoretically, and that less than 2% of the energy supplied appears as increased surface
energy in the solids. Are there hermodynamic or
other reasons for this? If the figure is accurate, then,
can revolutionary types of equipment be designed?
At least one author thinks not (16).
In the meantime, excellent equipment continues to
be designed and put into service for every type of
solid and semisolid. Designers are constantly
improving equipment and standard data can be
extrapolated to specify equipment for most uses...
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