A concentrated liquid coff ee is being freeze-dried by placing a 2 cm thick frozen layer of the…


A snug soft coff ee is entity freeze-dried by placing a 2 cm dull frozen flake of the result aggravate a vehement platen. The result is frozen to –75°C initially and antecedently placing aggravate the 30°C platen. The freeze-drying is accomplished in a room at a influence of 38.11 Pa after a while a condenser region of –65°C. Properties needed to draw the way have been measured in