Table 2.

Aeration characteristics.

Characteristics	Value
Fluid space bottom area	2190 m2
Total diffuser area	2190 m2
Active diffuser area	838 mm2
Active diffuser area to fluid space area	38%
Number of entry points	50
Entry point density, total area	22,831 ·m−2
Entry point density, active area	59,665 ·m−2
Calibrated air flow	14.7 L·h−1
Bubble diameters	1–3 mm
Pressure difference	0.2 bar