Table III

Spray-Drying Conditions of MS-150 and MS-35 and Summary of Results

Spray DryeraFormulationTi (°C)To (°C)Liquid Feed Rate (mL/min)Yield (%)Particle Size (μm, D50)Moisture Content (%)
MS-150A-119090538214.74.4
A-219090499316.03.8
A-2*1909050<50NANA
A-2190100209014.13.6
A-2190841023115.57.7
A-222595844514.95.6
A-319089665415.54.5
A-418788589914.86.9
A-5187883910015.75.8
A-618787469917.74.9
MS-35A-418987159512.95.8
A-518988149711.65.0
A-6189971610012.64.3
MS-150B-119090528415.15.0
B-219090519814.74.2
B-2*1909050<50NANA
B-319090584116.14.7
B-418788559214.66.3
B-5187884810015.16.1
A-6187875510016.65.8
MS-35B-4189871610012.35.3
B-5189871610011.25.5
A-6189871710012.75.0
  • Ti, drying air inlet temperature; To, drying air outlet temperature; NA, not available.

  • a MS-150 drying air rate = 154 kg/h and nozzle gas pressure = 10 psig; MS-35 drying air rate = 35 kg/h and nozzle gas pressure = 10 psig.

  • * Spray-dried on MS-150 using the cyclone in Figure 1c.