For aerated mixing vessels in an aqueous solution, the mass transfer coefficient (kL) co-relating power consumption (Pm) and fermenter volume (V) can be expressed as

• kL ∝ (Pm/V)0.33
• kL ∝ (Pm/V)0.66
• kL ∝ (Pm/V)0.50
• kL ∝ (Pm/V)