 Example 0 The process was performed in a concurrent spray drying plant with an integrated fluidized bed (00) and an external fluidized bed (00) as shown in FIG. 0. The cylindrical part of the spray dryer (0) had a height of 00 m and a diameter of 0.0 m. The internal fluidized bed (IFB) had a diameter of 0 m and a weir height of 0.00 m. The 