Abstract
In our previous report, a hollow granule model was proposed as a basis of spray drying granulation of slurry in case of fast and easy evaporation. In the present research, the compatibility of the model was examined by comparing the granule diameters obtained from the model with those from granulation experiments. The granules were prepared with slurry of 0.3 μm mono-dispersed silica particles without binder and dispersant by means of a spinning disk. As a result, it was confirmed that the calculated values from the model suited well with the experimental ones, and thus the granule diameter increases with lower rate of disk rotation and higher particle volume concentration of the slurry.
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