A one-parameter model for granulation

The total population balance equation for granulation is examined when coalescence as well as crushing and layering are modes of growth. Previous solutions for the case of random coalescence are inadequate for describing a wide variety of granulating systems. A single parameter model is proposed to...

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Bibliographic Details
Published in:The Chemical engineering journal 1982, Vol.23 (2), p.177-183
Main Authors: Murthy, D.V.S., Ananth, M.S.
Format: Article
Language:English
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Summary:The total population balance equation for granulation is examined when coalescence as well as crushing and layering are modes of growth. Previous solutions for the case of random coalescence are inadequate for describing a wide variety of granulating systems. A single parameter model is proposed to describe the reduced number density function of granules as a function of reduced granule size. Further, the relationship between model parameter and the empirical ballability index proposed in the literature is shown to be monotonic. The present model correlates very well the data on a wide variety of granulating systems besides providing a good approximate solution to the population balance equation.
ISSN:0300-9467
1873-5541
DOI:10.1016/0300-9467(82)80009-9