As a
result, although the powder recovery was high
for every drying run, there were higher
amount of powder stuck in the drying system
for the drying conditions that had more solids
in the feed (added higher MD) because of
the limitation of the hammer force applied in
this powder collection method. On the other
hand, if at the end of drying run, all the Chiang Mai J. Sci. 2010; 37(3)