Figure 5. SEM mic rographs of PE wax
microparicles at different atomizing temperature
(atomized at 1 bar and 3.0:1.5 DA/DL).
3:1.0 and 3:1.5, respectively. Decreasing the
DA/DL by increasing the liquid mass flow rate
while keeping the air mass flow rate constant
caused the PE wax droplets to disperse and
form microparticles easily [17, 18].
In contrast, the bulk density of the PE
wax microparticles decreased with the liquid
diameter decreased as shown in Figure 6. But
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Bulk