Spray drying of jameed - a dried fermented dairy product, is investigated.
The study covers the effects of the operating variables upon the physical a
nd chemical characteristics of the dried product. The investigated variable
s were: feed total solids, feed now rate, inlet air temperature, air flow r
ate and atomizer pressure. The product characteristics measured were: total
solids, bulk density, average particle size, wettability, dipersibility, c
olor, ash content, salt content, fat content and pH. Best overall results w
ere obtained for a feed total solids of 17%, feed now rate of 36.5 ml/min,
inlet air temperature of 100 degrees C, air flow rate of 632 cm(3)/s, and a
tomizer pressure of 1.5 bar.