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Figure 1 | Journal of Biological Engineering

Figure 1

From: Characterization of hydromechanical stress in aerated stirred tanks up to 40 m3 scale by measurement of maximum stable drop size

Figure 1

Measured 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.

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