Generally, the increase of drying air temperature causes the decrease in bulk, particle density and provides the
greater tendency to the particles to hollow. The particle size is one of the parameters that can be affected by inlet
temperature. The higher inlet air temperature will leads to the production of larger particles and causes the higher
swelling. Higher inlet temperatures will faster the drying rates where it can cause the formation of a structure and it
did not allow the particles to shrink during drying. When the inlet air temperature is low, the particle remains more
shrunk and smaller. The rapid formation of dried layer at the droplet surface causes the skin hardened and did not
allow the moisture to exit from the droplet (Phisut, 2012). Table 2 shows that the higher inlet air temperature, the
larger size particles of the powder that produced