Figure 1From: Characterization of hydromechanical stress in aerated stirred tanks up to 40 m3 scale by measurement of maximum stable drop sizeMeasured drop size distributions with similar maximum stable drop sizes in three different scales with different reactor configurations. Dispersion of paraffin oil in 1 mM PO4-buffer at pH 7.3. A: A-2 (50 L reactor), B: B-3 (3 m3 reactor), C: C-1 (40 m3 reactor). See Table 2 for details on geometry. Aeration rates in all measurements 0.7 vvm. Symbols: measured values for agitation rates: A: (●) 8.0 1/s (11 kW/m3), (♦) 5.2 1/s (4.4 kW/m3), (■) 3.6 1/s (1.3 kW/m3); B: (●) 3.7 1/s (6.2 kW/m3), (♦) 2.3 1/s (1.7 kW/m3), (■) 1.3 1/s (0.6 kW/m3); C: (●) 1.8 1/s (2.0 kW/m3), (♦) 1.3 1/s (0.9 kW/m3), (■) 0.8 1/s (0.2 kW/m3). Solid lines: fitted normal distributions.Back to article page